Open-Source Observability Tools
Guides to open-source monitoring, metrics, tracing, and logging tools — setup and integration.
In this category
0xtools
0x.Tools is a Linux performance analysis and troubleshooting toolkit built with modern eBPF, providing kernel-level visibility into system behavior. It includes…
ai-gateway
Helicone AI Gateway is an open-source Rust-based reverse proxy that unifies access to 100+ LLM providers (OpenAI, Anthropic, AWS Bedrock, etc.) through a single…
alerta
Alerta is an open-source, distributed monitoring and alerting system designed for scalability and minimal configuration. It ingests alerts from any source, stor…
alertmanager
Prometheus Alertmanager is a Go-based alert routing and management system that deduplicates, groups, and routes alerts from Prometheus and other sources to noti…
ali
ali is a terminal-based HTTP load testing tool written in Go that generates configurable request loads and visualizes results in real-time through an embedded T…
alive-progress
alive-progress is a Python terminal progress bar library that displays real-time throughput, ETA, and animated spinners. It supports multi-threaded updates, pau…
alloy
Grafana Alloy is an open-source observability collector built on OpenTelemetry, allowing you to collect metrics, logs, traces, and profiles through programmable…
angle-grinder
Angle-grinder is a command-line tool for real-time log analysis and aggregation written in Rust. It enables parsing, filtering, and computing analytics (counts,…
antigravity-panel
Antigravity Panel is a VS Code extension that monitors AI quota usage (Gemini, Claude, GPT) within Google's Antigravity IDE, displays consumption trends, and ma…
aperture
Aperture is a distributed load management platform that controls how many requests reach your services through rate limiting, caching, and request prioritizatio…
ApplicationInsights-dotnet
ApplicationInsights-dotnet is Microsoft's official .NET SDK for sending telemetry and monitoring data to Azure Monitor and Application Insights. It now builds o…
ApplicationInsights-JS
Microsoft's Application Insights JavaScript SDK is a production-grade browser monitoring library that tracks page views, performance metrics, exceptions, and cu…
AppMetrics
App Metrics is an open-source .NET library that records application performance metrics (requests, timers, gauges, counters) and sends them to external systems …
arc
Arc is a single-binary analytical database written in Go that handles high-throughput data ingestion (19M+ records/sec), SQL queries (8M+ rows/sec), and automat…
asgi-correlation-id
asgi-correlation-id is a Python middleware that automatically tracks HTTP requests across your application logs by assigning each request a unique ID. It reads …
audit-userspace
Linux Audit is a kernel-level system for recording and distributing security audit events on Linux systems. It intercepts system calls and logs detailed informa…
Auditor
Auditor is an Android app that verifies the integrity and authenticity of your device using hardware-backed cryptographic attestation. It can run local peer-to-…
auto-cpufreq
auto-cpufreq is a Linux daemon that automatically optimizes CPU frequency scaling and power management based on battery state, CPU load, and temperature. It aim…
AutoKuma
AutoKuma automates the creation and management of uptime monitors in Uptime Kuma by reading Docker container labels, eliminating manual UI configuration. It is …
autometrics-rs
Autometrics is a Rust library that automatically instruments functions with production-ready metrics (request rate, error rate, latency) via a simple macro deco…
aya
Aya is a Rust library for writing and managing eBPF programs in the Linux kernel without relying on C toolchains or external dependencies like libbpf. It simpli…
backend.ai
Backend.AI is an open-source, container-based cluster platform that schedules and isolates compute workloads across heterogeneous hardware (GPUs, TPUs, NPUs, et…
beyla
Grafana Beyla is an eBPF-based tool that automatically instruments web applications and gRPC services to collect observability data without code changes. It cap…
BGPalerter
BGPalerter is a self-configuring, open-source BGP and RPKI monitoring tool that detects real-time threats like prefix hijacks, visibility loss, and RPKI misconf…
bluehood
Bluehood is a Python-based Bluetooth scanner that monitors nearby BLE and Classic Bluetooth devices, tracking their presence patterns and correlations over time…
bottom
Bottom is a terminal-based system and process monitor written in Rust, offering a modern alternative to tools like htop. It provides graphical visualizations fo…
brave
Brave is a mature Java library for distributed tracing that instruments production applications to gather timing data and correlate requests across services. It…
calico
Calico is an open-source Kubernetes networking and security platform that provides Container Network Interface (CNI) functionality across multiple environments.…
caretta
Caretta is an open-source Kubernetes observability tool that uses eBPF (extended Berkeley Packet Filter) to automatically map service dependencies and network i…
checkmk
Checkmk is an open-source infrastructure and application monitoring system available in multiple editions (Community, Pro, Ultimate, Cloud, and MSP variants). T…
chipmunk
Chipmunk is a native desktop log analysis tool built in Rust that handles arbitrarily large log files (tested to 10+ GB) without performance degradation. It sup…
Chronos
Chronos is an open-source monitoring tool that tracks the health and traffic of microservices, containers, Kubernetes clusters, and AWS services in real-time. I…
ciao
Ciao is an open-source HTTP uptime monitoring tool that checks URLs at regular intervals and sends notifications via email or webhooks. It provides a web UI and…
cilium
Cilium is an eBPF-based networking, security, and observability platform for Kubernetes that replaces kube-proxy and provides identity-based network policies, d…
Claude-Code-Usage-Monitor
Claude-Code-Usage-Monitor is a Python CLI tool that tracks real-time token, message, and cost consumption for Claude Code sessions. It displays live monitoring …
claude-devtools
claude-devtools is a free, open-source desktop application that reconstructs Claude Code's hidden execution details—file operations, tool calls, token usage, an…
Clear-NDR-ISO
Clear NDR Community is a Linux distribution built on Suricata for network detection and response (NDR) monitoring. It provides an ISO-based deployment with a ma…
client_js
Prometheus client_js is the official Node.js client library for Prometheus monitoring. It provides instrumentation for counters, gauges, histograms, and summari…
client_rust
Prometheus Rust Client is an OpenMetrics-compliant library for instrumenting Rust applications with metrics. It enables operators to monitor applications using …
clockwork
Clockwork is a browser-based PHP development tool that surfaces real-time insights into application runtime: HTTP requests, database queries, cache/Redis operat…
clp
CLP is an open-source log management tool that compresses logs while keeping them searchable without decompression. It handles both JSON and unstructured text l…
cluster-monitoring
Cluster Monitoring is a Kubernetes-native monitoring stack built on Prometheus Operator that bundles Prometheus, Grafana, Alertmanager, and exporters into pre-c…
CocoaLumberjack
CocoaLumberjack is a logging framework for Apple platforms (iOS, macOS, tvOS, watchOS, visionOS) that replaces NSLog with faster, more flexible logging. It supp…
CoreObs
CoreObs is a self-hosted dashboard written in TypeScript that centralizes server infrastructure management, application monitoring, and uptime tracking. It uses…
coroot
Coroot is an open-source observability and APM platform that automatically collects metrics, logs, traces, and profiles using eBPF, eliminating the need for man…
cortex
Cortex is a scalable, multi-tenant long-term storage solution for Prometheus metrics. It distributes metrics across a cluster, enables data replication, and sto…
CPA-Manager-Plus
CPA Manager Plus is a self-hosted dashboard for monitoring AI gateway traffic, tracking requests, costs, failures, and account health. It integrates with CPA/CL…
crabwalk
Crabwalk is a real-time web-based monitoring dashboard for OpenClaw AI agents, displaying live agent activity across messaging platforms (WhatsApp, Telegram, Di…
dashdot
dashdot is an open-source server dashboard built with TypeScript, React, and Node.js, designed for monitoring smaller VPS and private servers. It emphasizes mod…
datadog-agent
Datadog Agent is an open-source monitoring and observability tool written in Go that collects metrics, logs, traces, and profiles from applications and infrastr…
datasource-proxy
datasource-proxy is a Java library that intercepts and monitors JDBC database connections and queries in real-time. It provides a listener framework to log, mea…
dd-trace-java
dd-trace-java is Datadog's official APM client for Java applications, providing automatic instrumentation for distributed tracing, continuous profiling, and err…
debug
debug is a lightweight JavaScript logging utility that enables selective, namespaced debug output in Node.js and browsers via environment variables. Developers …
defmt
defmt is an open-source logging framework optimized for embedded systems and microcontrollers, emphasizing memory efficiency through deferred formatting. It pro…
django-health-check
Django HealthCheck is a lightweight, pluggable library that adds health-check endpoints to Django applications. It enables monitoring of dependencies (database,…
django-prometheus
django-prometheus is a Python library that integrates Django web applications with Prometheus monitoring by exporting metrics for HTTP requests, database querie…
dockprom
dockprom is a Docker Compose–based monitoring stack that bundles Prometheus, Grafana, cAdvisor, NodeExporter, and AlertManager to track host and container metri…
document-cn-translation-of-skywalking
This is an archived Chinese translation of Apache SkyWalking documentation maintained by community volunteers. The project is no longer updated; the maintainers…
DoKit
DoKit is an open-source developer efficiency platform from Didi that provides debugging, monitoring, and testing tools for Android, iOS, Flutter, mini-programs,…
dolphie
Dolphie is a Python-based terminal UI for real-time monitoring and analytics of MySQL, MariaDB, and ProxySQL instances. It provides a dashboard for viewing proc…
dozzle
Dozzle is a lightweight, open-source web application for viewing Docker container logs in real time across Docker, Docker Swarm, and Kubernetes. It requires no …
Dumpify
Dumpify is a .NET library that adds `.Dump()` extension methods to console applications, enabling developers to output objects in a structured, colorful format …
easeprobe
EaseProbe is a lightweight Go-based health check and monitoring tool that probes various services (HTTP, TCP, databases, etc.) and sends alerts via multiple cha…
express-typescript
Express TypeScript is a pre-configured starter template for building backend services with Express.js and TypeScript. It includes logging, testing, input valida…
effect
Effect is a TypeScript framework for building robust production applications using functional programming principles. It provides a monorepo of specialized pack…
elastdocker
Elastdocker is a Docker Compose setup that runs Elastic Stack (Elasticsearch, Kibana, Logstash) v9+ with security, monitoring, and APM enabled by default. It's …
electron-log
electron-log is a lightweight, dependency-free logging module for Electron, Node.js, and NW.js applications. It writes logs to platform-specific directories and…
eliot
Eliot is a Python logging library that captures causal chains of actions across your application, showing not just what happened but why. It traces how operatio…
EnableWindowsLogSettings
EnableWindowsLogSettings is a documentation and batch script repository for configuring Windows event logging to support DFIR, threat hunting, and Sigma detecti…
endlessh-go
endlessh-go is a Go-based SSH tarpit that traps brute-force attackers by accepting connections and sending slow, endless SSH banner data. It exports Prometheus …
errsole.js
Errsole is a Node.js logging module that collects, stores, and visualizes application logs in a single package. It includes a built-in web dashboard for viewing…
event-reduce
Event-Reduce is an algorithm that optimizes how applications handle database query results when data changes. Instead of re-running expensive queries, it intell…
evlog
evlog is a TypeScript logging library that emits one structured event per request with full context, designed to replace scattered log lines with a single, quer…
Exceptionless
Exceptionless is an open-source error tracking and reporting platform built on C# that aggregates exceptions and errors from JavaScript, Node.js, and .NET appli…
express-status-monitor
express-status-monitor is a self-hosted, real-time monitoring dashboard for Node.js/Express applications that displays CPU, memory, request metrics, and custom …
express-typescript
Express-TypeScript is a production-ready Node.js boilerplate combining Express.js with TypeScript, MongoDB via Mongoose, and authentication strategies (Passport…
fastapi-observability
FastAPI Observability is a reference implementation demonstrating how to integrate FastAPI applications with the three pillars of observability: distributed tra…
fastapi-plugins
fastapi-plugins is a Python library that provides reusable plugin components for FastAPI applications, including Redis/Memcached caching, job scheduling, health…
FASTER
FASTER is a Microsoft-backed, open-source persistent key-value store and log library designed for high-throughput applications that need to manage large state r…
FBI_Watchdog
FBI Watchdog is a Python-based domain monitoring tool that detects law enforcement seizures, DNS changes, and infrastructure shifts across clearnet domains and …
firewalla
Firewalla is an open-source network security and DNS filtering platform designed to run on dedicated hardware (Blue, Red, Purple, Gold appliances). It provides …
flashlight
Flashlight is a TypeScript-based CLI and cloud tool that measures and audits performance metrics for Android apps (native, React Native, Flutter). It generates …
Flask-MonitoringDashboard
Flask-MonitoringDashboard is a Python extension that adds automatic performance monitoring, request profiling, and exception tracking to Flask web applications.…
flexy-pool
FlexyPool is a Java library that wraps existing database connection pools (HikariCP, DBCP, C3P0, Tomcat, etc.) to add dynamic resizing, metrics collection, and …
flogger
Flogger is Google's fluent logging API for Java, designed to unify logging across large codebases. It provides a cleaner, method-chaining syntax with performanc…
flowgger
Flowgger is a lightweight, single-executable data collector written in Rust that reads logs from multiple input sources (UDP, TCP, TLS, Redis, stdin), parses th…
fluent-bit
Fluent Bit is a lightweight, open-source agent for collecting, processing, and forwarding logs, metrics, and traces from any source to any destination. It runs …
fluent-operator
Fluent Operator is a Kubernetes-native controller that automates the deployment and configuration of Fluent Bit (lightweight log collection agent) and Fluentd (…
fluentd
Fluentd is a mature, open-source log collector that aggregates events from multiple sources and routes them to storage, databases, and cloud services. It is a C…
fmtlog
fmtlog is a high-performance, asynchronous C++ logging library that uses fmt-style formatting with nanosecond-level latency. It supports both single-threaded sy…
Foundatio
Foundatio is a C# library providing pluggable abstractions for common distributed application patterns—caching, queues, messaging, file storage, locks, and jobs…
frostmourne
Frostmourne is a distributed monitoring and alerting system designed for internal enterprise use, supporting multiple data sources (Elasticsearch, Prometheus, M…
future-agi
Future AGI is an open-source platform for building, evaluating, and monitoring AI agents in production. It combines tracing, evals, simulations, guardrails, and…
g3log
g3log is a lightweight, asynchronous C++ logging library designed for performance-critical applications. It provides crash-safe logging with minimal overhead (~…
Logcat
Logcat is an Android debug logging framework that displays device logcat output directly in a floating window on the phone, eliminating the need for Android Stu…
gf
GoFrame is a comprehensive Go web framework designed to accelerate project development with built-in support for common patterns like logging, ORM, tracing, and…
go-grpc-middleware
go-grpc-middleware is a production-grade Go library providing pre-built interceptors (middleware) for gRPC servers and clients. It handles common cross-cutting …
goaccess
GoAccess is a lightweight, real-time terminal-based web log analyzer written in C that parses logs from Apache, Nginx, and other servers to display traffic stat…
gofr
GoFr is an opinionated Go framework for building microservices with built-in support for databases, observability (logs, traces, metrics), and Kubernetes deploy…
golf
Golf is a Python framework for building MCP (Model Context Protocol) servers with minimal boilerplate. It provides built-in authentication, observability, and t…
GoModel
GoModel is a lightweight AI gateway written in Go that provides a unified OpenAI-compatible API for routing requests to multiple LLM providers (OpenAI, Anthropi…
GoVisual
GoVisual is a zero-configuration HTTP debugger for Go web development that wraps your HTTP handlers to capture and visualize every request, response, database q…
gpustat
gpustat is a lightweight command-line tool that displays GPU status and resource usage for NVIDIA GPUs in a human-readable format, similar to nvidia-smi but sim…
grafana
Grafana is an open-source observability and data visualization platform that connects to multiple data sources (Prometheus, Loki, Elasticsearch, InfluxDB, Postg…
agent
Grafana Agent is an observability pipeline tool that collects, transforms, and routes telemetry data (metrics, logs, traces, profiles) to multiple backends. How…
grafana-dashboards-kubernetes
A collection of pre-built Grafana dashboards designed for Kubernetes monitoring. Includes 8 dashboards covering cluster-wide views, node metrics, pod details, a…
grafana-operator
Grafana Operator is a Kubernetes operator that automates the deployment and management of Grafana instances, dashboards, and data sources through declarative in…
grafanalib
grafanalib is a Python library that lets you programmatically generate Grafana dashboards as code rather than building them manually in the UI. It enables versi…
graphql-inspector
GraphQL Inspector is an open-source tool that compares GraphQL schemas, detects breaking changes, validates operations, and identifies schema coverage. It runs …
gtop
gtop is a lightweight terminal-based system monitoring dashboard for Linux, macOS, and Windows that displays real-time CPU, memory, and process metrics. It is i…
guider
Guider is a comprehensive system profiling and fault detection tool for Linux and Android that monitors CPU, memory, I/O, and network resources. It provides rea…
heimdallr-sdk
Heimdallr-SDK is a lightweight, TypeScript-based frontend monitoring SDK designed for error tracking, performance monitoring, and user behavior analysis. It sup…
hl
hl is a fast command-line tool written in Rust that transforms JSON and logfmt logs into readable human-friendly output. It handles large log files efficiently …
home-assistant-tapo-p100
A Home Assistant custom integration for controlling TP-Link Tapo smart devices (plugs, light bulbs, switches, sensors) over local LAN. Supports device discovery…
httplog
httplog is a Ruby gem that intercepts and logs outgoing HTTP requests from your application for debugging purposes. It supports multiple HTTP libraries and prov…
hubble
Hubble is a Kubernetes observability platform built on eBPF that provides real-time visibility into network flows, service dependencies, and security events wit…
huginn
Huginn is an open-source automation platform that lets you build agents to monitor websites, track events, and execute actions on your behalf—think a self-hoste…
hwatch
hwatch is a modern replacement for the Unix watch command, written in Rust, that records command output history and enables side-by-side diff viewing, JSON logg…
icinga2
Icinga 2 is an open-source monitoring platform that tracks network resource availability, sends alerts, and collects performance data across distributed environ…
icingaweb2
Icinga Web 2 is a PHP-based open-source web interface for monitoring environments using Icinga 2 and related backends. It provides dashboards, alerting, and CLI…
izumi
Izumi is a Scala ecosystem providing modular, productivity-focused libraries for dependency injection, testing, logging, and functional programming. It combines…
jaeger
Jaeger is a CNCF-graduated distributed tracing platform originating from Uber that helps teams observe and debug microservices by tracking requests across servi…
jaeger-ui
Jaeger UI is a web-based visualization tool for distributed tracing built with React and TypeScript. It provides trace search, detailed trace inspection, and in…
javamelody
JavaMelody is an open-source Application Performance Monitoring (APM) tool designed to monitor Java and Java EE applications in QA and production. It provides r…
jmx_exporter
JMX Exporter is a Java agent that collects metrics from Java applications via JMX MBeans and exposes them in Prometheus format. It bridges the gap between tradi…
jplot
jplot is a lightweight CLI tool that visualizes JSON metrics (like Go's expvar) as real-time charts directly in your terminal. It integrates with iTerm2, Kitty,…
k8spacket
k8spacket uses eBPF to capture TCP and TLS traffic metadata from Kubernetes clusters and visualizes the data in Grafana. It helps teams understand inter-pod com…
kail
kail is a command-line tool that streams logs from Kubernetes pods in real time, automatically adjusting as pods are created or destroyed. It supports flexible …
kapacitor
Kapacitor is an open-source framework for real-time processing, monitoring, and alerting on time-series data. It integrates with InfluxDB and other data sources…
karma
Karma is a web-based dashboard that aggregates and displays alerts from one or more Prometheus Alertmanager instances with enhanced filtering, grouping, and sil…
karpor
Karpor is an open-source Kubernetes visualization and intelligence platform that provides search, insights, and AI-powered operations across multi-cluster envir…
kdash
KDash is a terminal-based dashboard for Kubernetes clusters, written in Rust and designed for speed and simplicity. It provides resource viewing, monitoring, an…
Pulse
Pulse is a native Swift logging framework for Apple platforms that captures URLSession network requests and application logs directly within iOS, macOS, tvOS, w…
kener
Kener is an open-source, lightweight status page system built with SvelteKit and Node.js. It enables teams to create branded, customizable status pages with mon…
khi
KHI is an open-source log visualization tool for Kubernetes troubleshooting that transforms audit logs into interactive timelines and cluster diagrams. It runs …
kiali
Kiali is a web-based management console for Istio service meshes that provides real-time observability, traffic visualization, and operational insights. It runs…
kite
Kite is a modern Kubernetes dashboard built in TypeScript that provides multi-cluster management, resource control, real-time observability, and user governance…
kmon
kmon is a terminal-based graphical interface for managing Linux kernel modules and monitoring kernel activity in real time. It consolidates functionality typica…
komari
Komari is a self-hosted server monitoring tool built in Go that provides lightweight performance tracking via a web dashboard and agent-based data collection. I…
kotlin-logging
kotlin-logging is a lightweight Kotlin wrapper around SLF4J that eliminates boilerplate logging code through lazy-evaluated string lambdas and automatic class-n…
krr
KRR is a CLI tool that analyzes your Kubernetes cluster's actual resource usage via Prometheus and recommends optimized CPU/memory requests and limits. It runs …
kube-state-metrics
kube-state-metrics is a Kubernetes add-on that exposes cluster state as Prometheus-compatible metrics. It queries the Kubernetes API to generate metrics about d…
kubeeye
KubeEye is a Kubernetes cluster inspection tool that identifies misconfigurations, unhealthy components, and node problems using customizable rules. It provides…
kuberhealthy
Kuberhealthy is a Kubernetes operator that runs synthetic health checks as scheduled pods and ships results to Prometheus. It allows you to define monitoring lo…
kubeskoop
KubeSkoop is an open-source Kubernetes network monitoring and diagnostics tool that uses eBPF to capture kernel-level events and troubleshoot network problems a…
kubetools
Kubetools is a curated, community-maintained directory of 500+ Kubernetes tools organized by function (monitoring, security, CI/CD, etc.). It serves as a refere…
kubetorch
Kubetorch is a Python library that lets you run machine learning workloads on Kubernetes clusters as easily as using a local process pool. It eliminates complex…
kubeview
KubeView is a lightweight web-based visualization tool for Kubernetes clusters that displays resources and their relationships in an interactive graph. It runs …
kula
Kula is a lightweight, single-binary Linux monitoring tool written in Go that collects system metrics every second from /proc and /sys, stores them in a custom …
kuma-mieru
Kuma Mieru is a third-party Next.js-based dashboard for visualizing Uptime Kuma monitoring data. It replaces Uptime Kuma's built-in status page with interactive…
kwatch
kwatch is a lightweight Kubernetes monitoring tool that detects pod crashes and cluster failures, delivering plain-language alerts to Slack, Discord, or email w…
lager
Lager is a production-grade logging framework for Erlang/OTP applications that integrates cleanly with Unix tooling like syslog and logrotate. It offers fine-gr…
langsmith-sdk
LangSmith is a Python and JavaScript SDK for debugging, evaluating, and monitoring language model applications. It provides observability and tracing capabiliti…
laravel-activitylog
Laravel Activity Log is a PHP package that automatically tracks and records user actions and model changes within Laravel applications. It stores all activity i…
laravel-auditing
Laravel Auditing is a PHP package that automatically tracks changes to Eloquent models in Laravel applications, recording who changed what and when. It uses a s…
laravel-http-logger
laravel-http-logger is a Laravel middleware package that automatically logs incoming HTTP requests (POST, PUT, PATCH, DELETE) to help track user submissions and…
pulse
Laravel Pulse is a real-time performance monitoring dashboard built for Laravel applications. It provides visibility into application metrics and health without…
telescope
Laravel Telescope is a first-party debugging and monitoring tool for Laravel applications that captures requests, exceptions, database queries, jobs, mail, cach…
laravel-uptime-monitor
Laravel Uptime Monitor is a PHP package that tracks website availability and SSL certificate expiration, sending notifications via Slack, email, or other channe…
lazyjournal
Lazyjournal is a terminal UI tool written in Go that centralizes log viewing from multiple sources including systemd journald, Docker, Podman, Kubernetes, audit…
LibreHardwareMonitor
LibreHardwareMonitor is a free, open-source Windows application and .NET library that reads real-time hardware metrics—CPU/GPU temperature, fan speeds, voltages…
litter
Litter is a Go library that formats data structures into readable, syntactically valid Go literals for debugging and testing. It outputs consistent, sorted snap…
lnav
lnav is a terminal-based log file viewer that automatically detects log formats, merges multiple files by timestamp, and provides a searchable interface with er…
log
Charm Log is a lightweight, colorful Go logging library emphasizing human-readable output with structured key-value logging. It supports multiple formatters (te…
log-record
log-record is a Spring Boot annotation-based library for recording operation logs without intruding into business logic. It uses SpEL expressions to extract dat…
log-viewer
Log Viewer is a Laravel package that provides a web-based UI for viewing, searching, and filtering application logs instead of reading raw log files. It support…
Log4Qt
Log4Qt is a C++ logging library for Qt applications, ported from Apache Log4j. It provides flexible configuration (properties, JSON, XML), multiple output targe…
log4rs
log4rs is a mature, feature-rich logging framework for Rust, inspired by Java's Logback and log4j. It supports YAML/XML configuration, file rotation with option…
logbook
Logbook is a mature Java library for logging HTTP requests and responses across client and server technologies. It provides flexible filtering, formatting, and …
logcat
Logcat is a lightweight Kotlin logging library from Square that wraps Android's native Log class with a minimal, intuitive API. It prioritizes performance by de…
logchef
Logchef is a lightweight, single-binary log analytics platform built on ClickHouse for high-performance log storage and querying. It provides a modern web UI, C…
logfire
Pydantic Logfire is an open-source Python SDK for observability of LLM and agent systems, built on OpenTelemetry. It provides tracing, metrics, and logging with…
LogFox
LogFox is an Android logcat reader application built in Kotlin that allows developers to capture, filter, and export device logs. It supports multiple access me…
LoggiFly
LoggiFly is a lightweight Python tool that monitors Docker container logs for keywords or regex patterns and sends alerts via Ntfy, Apprise, or custom endpoints…
logging-log4j2
Apache Log4j 2 is a widely-used, industrial-grade Java logging framework maintained by the Apache Software Foundation. It provides flexible logging capabilities…
logging-log4net
Apache Log4net is a mature, feature-rich logging library for .NET applications that provides flexible configuration and multiple output targets (files, consoles…
logging-operator
Logging Operator is a Kubernetes-native project that automates deployment and management of logging pipelines using Fluent Bit collectors and Fluentd or syslog-…
loglevel
loglevel is a lightweight, dependency-free logging library for JavaScript that provides level-based filtering (trace, debug, info, warn, error) without the over…
logr
logr is a lightweight logging interface for Go that decouples application code from specific logging implementations. Libraries and applications write logs agai…
logrus
Logrus is a structured logging library for Go that provides JSON and text formatters compatible with the standard library. It is in maintenance mode focusing on…
logtape
LogTape is a lightweight, zero-dependency logging library for JavaScript/TypeScript that works across Deno, Node.js, Bun, browsers, and edge environments. It em…
loguru
Loguru is a Python logging library that simplifies log configuration and output with a single logger object and minimal boilerplate. It supports file rotation, …
loki
Loki is a log aggregation system from Grafana Labs that indexes log metadata (labels) rather than full log content, making it cheaper and simpler to operate tha…
loongcollector
LoongCollector is a high-performance observability data collector built by Alibaba for logs, metrics, traces, and events in cloud-native environments. It claims…
loongsuite-go
Loongsuite Go Agent is an Alibaba-maintained OpenTelemetry instrumentation tool for Go applications that requires zero code changes—instrumentation happens at c…
macmon
macmon is a lightweight Rust-based system monitor for Apple Silicon Macs (M1–M5) that displays real-time CPU, GPU, and power metrics without requiring sudo. It …
mactop
mactop is a terminal-based system monitoring tool for Apple Silicon Macs that displays real-time CPU, GPU, and memory usage in a top-like interface. Written in …
MangoHud
MangoHud is a free, open-source overlay for Linux that displays real-time performance metrics (FPS, GPU/CPU load, temperatures) on top of Vulkan and OpenGL appl…
mactop
mactop is a lightweight, open-source terminal monitoring tool for Apple Silicon Macs that displays real-time CPU, GPU, memory, power, and thermal metrics withou…
metlo
Metlo is an open-source API security platform that discovers API endpoints, detects attacks in real time, and blocks malicious traffic. It includes features for…
micrometer
Micrometer is a vendor-neutral metrics facade for Java applications, similar to SLF4J but for observability. It allows you to instrument code once and route met…
mimir
Grafana Mimir is an open-source, horizontally scalable long-term storage system for Prometheus metrics. It handles massive metric volumes (up to 1 billion activ…
modern-errors
modern-errors is a lightweight JavaScript library for creating and handling custom error classes with consistent patterns across Node.js and browsers. It provid…
monika
Monika is a command-line synthetic monitoring tool that periodically checks web applications and services via HTTP, database, and cache protocols. It alerts on …
Monitorix
Monitorix is a free, open-source system monitoring tool written in Perl that tracks server resources and services. It runs lightweight on Linux and Unix systems…
monitoror
Monitoror is a lightweight, single-file Go application that creates unified monitoring wallboards for servers, CI/CD pipelines, and system metrics. It runs on L…
monolog
Monolog is a mature, widely-adopted PHP logging library that routes logs to files, databases, email, and web services. It implements the PSR-3 standard interfac…
monolog-bundle
MonologBundle integrates the Monolog logging library into Symfony applications, providing centralized log management and flexible output handling. It is an offi…
mortar
Mortar is a Go framework for building gRPC and REST microservices with built-in support for dependency injection, logging, tracing, and monitoring. It provides …
mtail
mtail is a Google-backed tool that extracts metrics from application logs and exports them to monitoring systems like Prometheus. It lets you instrument legacy …
Mycodo
Mycodo is an open-source environmental monitoring and regulation system primarily for Raspberry Pi, designed to sense and control environmental conditions throu…
MyPerf4J
MyPerf4J is a Java application performance monitoring (APM) tool that uses bytecode instrumentation via JavaAgent to monitor method execution times and JVM metr…
nannyml
NannyML is an open-source Python library for monitoring deployed machine learning models by estimating performance and detecting data drift without requiring gr…
NebulaLogger
Nebula Logger is a native Salesforce logging and observability platform built in Apex that captures logs across Apex, Lightning Components, Flow, and OmniStudio…
neohtop
NeoHtop is a modern desktop system monitor built with Rust, Tauri, and Svelte that tracks CPU, memory, and process activity in real-time with a polished UI. It …
nestjs-otel
nestjs-otel is an OpenTelemetry integration module for NestJS applications that streamlines observability setup by providing decorators and services for distrib…
nestjs-pino
nestjs-pino is a logging module for NestJS that integrates Pino to provide structured JSON logging with automatic request context binding. Every log entry autom…
netcap
Netcap is a Go-based framework that converts network traffic into structured audit records for security monitoring and forensics. It provides 83 packet decoders…
network-mapper
Network Mapper is a zero-configuration Kubernetes traffic visualization tool that captures pod-to-pod, pod-to-internet, and AWS IAM traffic without requiring CN…
nezha
Nezha is a self-hosted, lightweight monitoring tool written in Go that tracks server health, websites, and services via HTTP, TCP, and ping checks. It includes …
nginx-module-vts
nginx-module-vts is a C-based Nginx module that tracks traffic statistics per virtual host, server, upstream, and filter. It exposes real-time metrics via JSON,…
ngxtop
ngxtop is a Python CLI tool that provides real-time, top-like monitoring of nginx (and Apache/Caddy) access logs. It parses log files on-the-fly to show request…
nightingale
Nightingale is an open-source alerting and monitoring platform built in Go, positioned as the alerting counterpart to Grafana's visualization capabilities. It c…
NLog
NLog is a free, open-source logging library for .NET applications that supports both traditional and structured logging. It provides flexible log routing, forma…
notifiarr
Notifiarr is a Go-based client that connects media server applications (Plex, Radarr, Sonarr, Lidarr, etc.) to Discord and the Notifiarr.com service for notific…
nvidia_gpu_exporter
nvidia_gpu_exporter is a Prometheus exporter that collects GPU metrics from NVIDIA hardware using the nvidia-smi binary. It works on Windows, Linux, and macOS w…
nvitop
nvitop is a Python-based GPU monitoring tool that provides an interactive, real-time dashboard for NVIDIA GPUs, replacing nvidia-smi with a more feature-rich cu…
odd-platform
ODD Platform is an open-source data discovery and observability tool that centralizes metadata from scattered data sources, tracks data lineage, and monitors da…
odigos
Odigos is an open-source distributed tracing platform that automatically instruments applications for observability without requiring code changes. It uses eBPF…
opencost
OpenCost is an open-source Kubernetes cost monitoring tool that tracks workload expenses across cloud providers (AWS, Azure, GCP) and on-premises clusters. It p…
openobserve
OpenObserve is an open-source observability platform for logs, metrics, traces, and frontend monitoring, positioned as a cost-effective alternative to Datadog a…
opensre
OpenSRE is an open-source Python framework for building AI agents that automatically investigate and respond to production incidents. It connects to 60+ observa…
openstatus
Openstatus is an open-source platform that combines status page publishing with uptime monitoring across 28 global regions. It offers both managed and self-host…
opentelemetry-collector
OpenTelemetry Collector is a vendor-agnostic Go service that receives, processes, and exports observability data (traces, metrics, logs) in multiple formats. It…
opentelemetry-cpp
OpenTelemetry C++ is the official C++ client library for OpenTelemetry, a vendor-neutral framework for collecting traces, metrics, and logs from applications. I…
opentelemetry-dotnet
OpenTelemetry .NET is the official .NET implementation of OpenTelemetry, providing standardized instrumentation for distributed tracing, metrics, and logging ac…
opentelemetry-go
OpenTelemetry-Go is the official Go implementation of OpenTelemetry, providing APIs and SDKs to instrument applications with distributed tracing, metrics, and l…
opentelemetry-go-instrumentation
OpenTelemetry Go Automatic Instrumentation is a work-in-progress project that automatically collects tracing data from Go applications using eBPF, a Linux kerne…
opentelemetry-js
OpenTelemetry JS is the JavaScript implementation of OpenTelemetry, a vendor-neutral framework for collecting traces, metrics, and logs from applications. It pr…
opentelemetry-php
OpenTelemetry PHP is the official PHP instrumentation library for the OpenTelemetry observability framework. It provides distributed tracing, metrics, and loggi…
opentelemetry-python
OpenTelemetry Python is the official reference implementation of the OpenTelemetry API and SDK for Python, providing libraries for collecting traces, metrics, a…
opentelemetry-rust
opentelemetry-rust is the official Rust implementation of OpenTelemetry, a standardized toolkit for collecting and exporting telemetry data (traces, metrics, lo…
opik-openclaw
Opik-OpenClaw is an official observability plugin that captures detailed traces of OpenClaw agent runs, including LLM calls, tool invocations, and sub-agent act…
orchestrion
Orchestrion is a Datadog-maintained Go tool that automatically instruments Go code at compile time to enable distributed tracing and APM observability. It integ…
oryx
Oryx is a Linux terminal UI for real-time network traffic inspection using eBPF, offering protocol-level visibility, traffic statistics, and firewall rule manag…
otel-cli
otel-cli is a Go-based command-line tool that lets you emit OpenTelemetry traces from shell scripts and similar non-instrumented environments. It supports multi…
pandaprobe
PandaProbe is an open-source platform for observing, tracing, and evaluating AI agents. It provides a dashboard and SDK for debugging agent behavior and can be …
parca
Parca is an open-source continuous profiling platform that automatically collects CPU and memory usage data across containerized infrastructure using eBPF, with…
parca-agent
Parca Agent is an always-on CPU/GPU profiler that uses eBPF to collect performance data from applications running on Linux with zero code changes. It automatica…
pcm
Intel PCM is a performance monitoring toolkit for Intel processors that provides real-time CPU, memory, and energy metrics across Linux, Windows, macOS, and Fre…
peekaping
Peekaping is a self-hosted uptime monitoring system built in Go and React, designed as a modern alternative to Uptime Kuma. It provides API-first architecture, …
perses
Perses is a CNCF sandbox dashboard tool that unifies observability data from Prometheus, Tempo, Loki, and Pyroscope into a single interface. It supports both in…
pgmetrics
pgmetrics is a lightweight command-line tool that collects and displays real-time statistics and diagnostic information from PostgreSQL servers. It helps teams …
log
phuslog is a Go structured logging library optimized for high-performance JSON output with zero external dependencies. It provides multiple writer backends (con…
picologging
Picologging is a Microsoft-backed Python logging library designed as a drop-in replacement for the standard library's logging module. It claims 4–17× faster per…
picosnitch
Picosnitch is a Linux network monitoring tool that tracks which programs connect to the network and how much bandwidth they use. It runs as a system daemon and …
pinpoint
Pinpoint is an open-source Application Performance Management (APM) tool designed for monitoring and tracing transactions across large-scale distributed systems…
pint
Pint is an open-source linter and validator for Prometheus alerting and recording rules, developed and maintained by Cloudflare. It helps teams catch configurat…
pixie
Pixie is an open-source Kubernetes observability platform that automatically collects telemetry data (requests, metrics, profiles) using eBPF without code instr…
plog
Plog is a lightweight, header-only C++ logging library designed for simplicity and cross-platform compatibility. It provides multiple output targets (files, con…
pmm
PMM is an open-source database monitoring and management platform that provides real-time visibility into MySQL, MongoDB, PostgreSQL, Valkey, and Redis performa…
prefect
Prefect is a Python workflow orchestration framework that turns data scripts into production-ready pipelines with scheduling, retries, and monitoring. It offers…
prometheus
Prometheus is a widely-adopted, open-source monitoring and time-series database system developed under the CNCF. It collects metrics from applications and infra…
prometheus-operator
Prometheus Operator automates deployment and management of Prometheus monitoring stacks on Kubernetes using custom resources. It simplifies configuration of Pro…
promgen
Promgen is a web-based configuration management tool for Prometheus monitoring systems, built with Django. It simplifies creation and management of Prometheus c…
promxy
Promxy is an aggregating proxy that unifies multiple Prometheus instances into a single API endpoint, enabling high-availability and cross-shard query aggregati…
proxy
Istio Proxy is a microservice proxy built on Envoy that enables service mesh communication with policy enforcement and telemetry. It runs as a sidecar on both c…
psutil
psutil is a Python library that provides cross-platform access to system and process monitoring data (CPU, memory, disk, network, sensors). It offers a simple A…
pup
Pup is a Rust-based CLI tool maintained by Datadog that exposes 200+ commands across 33+ Datadog products, designed primarily for AI agents to interact with Dat…
pyrasite
Pyrasite is a Python debugging and monitoring tool that injects arbitrary code into running Python processes without stopping them. It enables runtime inspectio…
pyrra
Pyrra is an open-source platform that simplifies Service Level Objective (SLO) management for Prometheus-based monitoring. It provides a web UI, API, and Kubern…
PySnooper
PySnooper is a lightweight Python debugging decorator that logs function execution line-by-line with variable changes, eliminating the need for manual print sta…
python-colorlog
python-colorlog is a lightweight Python library that adds colored output to the standard logging module, making log messages easier to read in terminals. It's a…
qtap
Qtap is an eBPF-based Linux agent that captures unencrypted network traffic by hooking TLS/SSL functions in the kernel, providing visibility into egress connect…
quickwit
Quickwit is an open-source, cloud-native search engine built in Rust, designed for observability workloads like logs and distributed traces. It decouples comput…
quill
Quill is a C++17+ asynchronous logging library designed for ultra-low-latency, high-performance applications. It uses a lock-free backend thread to minimize blo…
react-native-network-logger
react-native-network-logger is a TypeScript library that monitors HTTP traffic in React Native apps on iOS and Android, displaying requests/responses in an in-a…
RedELK
RedELK is a SIEM platform purpose-built for red teams to centralize operational logs from multiple team servers and traffic logs from redirectors. It enables re…
redis-operator
redis-operator is a Kubernetes controller written in Go that automates Redis deployment and lifecycle management across multiple topologies (standalone, cluster…
replication-manager
Replication Manager is an open-source tool for monitoring, backing up, and managing high-availability clusters of MySQL, MariaDB, and Percona Server databases. …
retina
Retina is an open-source eBPF-based Kubernetes network observability platform maintained by Microsoft. It collects customizable network telemetry, integrates wi…
riemann
Riemann is an open-source event stream processing system written in Clojure that aggregates and processes events from distributed systems. It provides a domain-…
robot-shop
Stan's Robot Shop is a sample microservices application designed for learning and testing containerized application orchestration and monitoring. It includes mu…
routeros-scripts
RouterOS Scripts is a GPL-3.0-licensed collection of RouterOS automation scripts for MikroTik networking devices, covering tasks like backup, DHCP, DNS, monitor…
roxy-wi
Roxy-WI is a Python-based web GUI for managing HAProxy, Nginx, Apache, and Keepalived load balancers and reverse proxies from a single dashboard. It provides co…
RPi-Monitor
RPi-Monitor is a real-time monitoring application designed for embedded devices, particularly Raspberry Pi, offering a web-based dashboard with alerting and SNM…
rsyslog
Rsyslog is a high-performance, modular log ingestion and processing engine written in C, capable of handling over one million messages per second. It supports m…
log
The `log` crate is a lightweight logging facade for Rust that provides a unified API for libraries and applications. Instead of each library choosing its own lo…
RuView
RuView is a WiFi-based sensing platform that detects people, monitors vital signs (breathing and heart rate), and tracks activity through walls using Channel St…
s-tui
s-tui is a terminal-based CPU monitoring and stress-testing utility that displays real-time graphs of temperature, frequency, power, and utilization without req…
scala-logging
Scala Logging is a lightweight wrapper around SLF4J that uses Scala macros to eliminate boilerplate and improve performance. It automatically injects log-level …
semantic_logger
Semantic Logger is a structured, asynchronous logging framework for Ruby and Rails that preserves searchable data (hashes, exceptions, metrics) instead of flatt…
sentry
Sentry is an open-source error tracking and APM platform that helps developers detect, trace, and fix issues in production. It provides crash reporting, perform…
sentry-miniapp
sentry-miniapp is an open-source error and performance monitoring SDK built on Sentry's core, designed for Chinese mini-program platforms (WeChat, Alipay, ByteD…
serviceradar
ServiceRadar is an open-source network monitoring and ITOM platform built in Elixir, designed for distributed deployments in constrained or edge environments. I…
sitespeed.io
sitespeed.io is an open-source web performance testing tool that drives real browsers (Firefox, Chrome, Edge, Safari) to measure and report on page load times, …
SkyAPM-dotnet
SkyAPM-dotnet is an open-source auto-instrumentation agent for .NET and ASP.NET Core applications that collects distributed tracing, topology, and metrics data …
skydive
Skydive is an open-source real-time network topology and packet analyzer written in Go. It collects flow data and network topology from distributed agents, cent…
skywalking
Apache SkyWalking is an open-source APM (Application Performance Monitoring) system designed for distributed systems and microservices architectures. It provide…
skywalking-java
Apache SkyWalking Java Agent is an open-source Java instrumentation agent that adds distributed tracing, metrics, and logging to Java applications without code …
slog
slog is a mature, battle-tested Rust logging library focused on structured, contextual, and composable logging. It offers a modular ecosystem with feature crate…
sloth
Sloth is a Go-based tool that automatically generates Prometheus SLO (Service Level Objective) metrics and alerting rules from simple YAML specifications. It im…
snmp_exporter
SNMP Exporter is a Prometheus-native tool that translates SNMP data from network devices into Prometheus metrics. It bridges the gap between hierarchical SNMP O…
snoop
snoop is a Python debugging library that decorates functions to output detailed execution traces, including line-by-line execution, variable changes, and nested…
snoopy
Snoopy is a lightweight C library that logs all command executions on Linux/BSD systems at the OS level. It captures execution context (user, session, working d…
splat
Splat is a .NET library that simplifies cross-platform development by providing abstractions for logging, service location (dependency injection), image loading…
static_status
static_status is a lightweight Bash script that generates static HTML status pages by monitoring websites, services, and network connectivity. It outputs HTML, …
statsviz
Statsviz is a Go library that provides real-time visualization of Go runtime metrics (heap, GC, goroutines, CPU) via a web dashboard. It integrates directly int…
sttp
sttp is a production-ready Scala HTTP client library supporting multiple concurrency models (synchronous, Future-based, effect systems like cats-effect and ZIO)…
subtrace
Subtrace is a network inspection tool for backend servers that captures HTTP requests with a single command, supporting Node.js, FastAPI, and other frameworks. …
superlog
Superlog is an open-source observability platform that ingests OpenTelemetry traces, logs, and metrics, then uses AI agents to automatically group alerts into i…
SwanLab
SwanLab is an open-source AI training tracking and visualization platform written in Python, supporting both cloud and self-hosted deployments. It integrates wi…
Swell
Swell is a desktop API testing tool built for developers who work with modern streaming protocols like WebSockets, Server-Sent Events, HTTP/2, GraphQL, gRPC, an…
swetrix
Swetrix is an open-source, privacy-first web analytics platform that replaces Google Analytics without cookies or consent banners. It includes error tracking, p…
swift-log
swift-log is Apple's official logging API for Swift, providing a unified interface for application and library logging across the Swift ecosystem. It is API-onl…
SysmonTools
SysmonTools is a TypeScript-based desktop application for analyzing and visualizing Microsoft Sysmon event logs. It provides interactive process flow diagrams, …
sysstat
Sysstat is a free, open-source Linux system performance monitoring toolkit written in C. It provides real-time and historical reporting of CPU, memory, disk I/O…
systeminformer
System Informer is a free, MIT-licensed Windows system monitoring and debugging tool that provides real-time visibility into process activity, resource usage, n…
talker
Talker is a Dart/Flutter logging and error-handling library that captures app actions, exceptions, and errors with built-in UI display capabilities. It supports…
tapir
Tapir is a Scala library for building self-documenting HTTP APIs that automatically generate OpenAPI specifications. It provides type-safe endpoint definitions,…
Tautulli
Tautulli is a Python-based web application that monitors, tracks, and analyzes activity on Plex Media Servers. It provides real-time dashboards, user statistics…
telegraf
Telegraf is a lightweight, open-source agent written in Go that collects metrics, logs, and data from 300+ sources and sends them to backends like InfluxDB. It …
telescope
Telescope is a web-based log viewer that aggregates and visualizes logs from ClickHouse, StarRocks, Docker, and Kubernetes in a single unified interface. It pro…
tempo
Grafana Tempo is an open-source distributed tracing backend designed to ingest, store, and query trace data from OpenTelemetry, Jaeger, Zipkin, and Kafka source…
tensorwatch
TensorWatch is a Microsoft Research debugging and visualization tool for machine learning that runs in Jupyter Notebook to display real-time training metrics an…
thanos
Thanos extends Prometheus with high availability, unlimited metric retention via object storage, and global query views across multiple Prometheus instances. It…
timbre
Timbre is a pure Clojure/ClojureScript logging library that eliminates Java logging complexity with configuration via simple Clojure data structures. It provide…
tint
tint is a lightweight Go logging handler that adds colored output to the standard library's slog package. It requires zero external dependencies and works as a …
TLog
TLog is a lightweight distributed log tracking framework for Java microservices that automatically tags logs to enable service-to-service tracing. It integrates…
tokencost
TokenCost is a Python library that calculates USD costs for API calls to 400+ LLM models by counting tokens in prompts and completions. It uses OpenAI's Tiktoke…
TokenTracker
TokenTracker is a local-first, zero-config CLI and desktop app that automatically collects and visualizes token usage across 25 AI coding tools (Claude Code, Cu…
traceback_with_variables
traceback_with_variables is a Python debugging library that automatically captures and displays local variable values when exceptions occur. It eliminates manua…
tracecat
Tracecat is an open-source security automation platform that lets teams and AI agents build workflow automations, manage cases, and integrate with enterprise to…
traceway
Traceway is an MIT-licensed, OpenTelemetry-native observability platform that ingests logs, traces, metrics, exceptions, and session replay through standard OTL…
tracing
Tracing is a Rust framework for collecting structured, event-based diagnostic information at the application level. It provides instrumentation macros and a sub…
transmittable-thread-local
TransmittableThreadLocal (TTL) is a Java library that solves the problem of passing ThreadLocal values across thread boundaries in thread pools. It extends Inhe…
trice
Trice is a compact, ID-based logging framework for embedded C/C++ that replaces printf-style logging with binary trace records to reduce FLASH usage, bandwidth,…
tslog
tslog is a TypeScript/JavaScript logging library offering pretty console output for development and structured JSON for production. It supports multiple runtime…
unblink
Unblink is an AI-powered camera monitoring application that uses Vision Language Models (Qwen3-VL) to analyze live video feeds in real time. It runs as a privat…
updo
Updo is a Go-based CLI tool for monitoring website uptime, response times, and SSL certificate expiry with real-time alerts. It supports multi-target monitoring…
upright
Upright is a self-hosted synthetic monitoring engine built on Ruby and Rails that runs browser and network health checks from multiple geographic locations, rep…
vector
Vector is an open-source, high-performance observability data pipeline written in Rust that collects, transforms, and routes logs, metrics, and traces to multip…
VictoriaLogs
VictoriaLogs is an open-source, high-performance database designed to ingest and query large volumes of logs efficiently. It offers both single-node and cluster…
vigil
Vigil is an open-source status page and monitoring platform written in Rust that tracks the health of distributed infrastructure services. It automatically send…
viztracer
VizTracer is a Python debugging and profiling tool that traces code execution and visualizes it on an interactive timeline. It requires no source code changes f…
WatchAlert
WatchAlert is a lightweight, cloud-native monitoring and alerting engine written in Go that aggregates metrics, logs, traces, and Kubernetes events from multipl…
Watcher
Watcher is an open-source, Django and React-based threat intelligence platform that combines AI-powered analysis with automated monitoring of CVEs, ransomware, …
webfunny_monitor
Webfunny is an open-source, full-stack monitoring and analytics platform combining frontend error/performance monitoring, backend APM with distributed tracing, …
whylogs
whylogs is an open-source data logging library that captures statistical profiles of datasets to detect data quality issues, drift, and performance degradation …
Wormholy
Wormholy is an iOS network debugging library that intercepts and displays all NSURLSession traffic via a shake-gesture interface. It requires no code imports an…
xray-checker
Xray Checker is a Prometheus-compatible monitoring tool for proxy server availability across VLESS, VMess, Trojan, and Shadowsocks protocols. It provides real-t…
yabeda
Yabeda is a Ruby metrics framework that lets you collect and export application performance data to monitoring systems like Prometheus and Datadog. It provides …
yokai
Yokai is a modular Go framework designed to simplify backend application development by providing pre-built observability (logging, tracing, metrics), dependenc…
zabbix
Zabbix is an open-source, enterprise-grade monitoring platform that collects metrics from networks, servers, applications, and cloud infrastructure in real time…
zabbix-docker
zabbix-docker provides official Docker containerization for Zabbix, an enterprise-class distributed monitoring platform. It offers pre-built images for multiple…
zap
Zap is a fast, structured logging library for Go maintained by Uber. It offers both typed and untyped logging APIs, optimized for low allocation and high throug…
zerolog
Zerolog is a fast, zero-allocation JSON logging library for Go that outputs structured logs in JSON format. It emphasizes performance through a chaining API tha…
zipkin
Zipkin is an open-source distributed tracing system that collects and visualizes timing data across microservices to help diagnose latency issues. It provides a…
zipkin-go
Zipkin-Go is the official OpenZipkin distributed tracing library for Go applications. It provides instrumentation for HTTP, gRPC, and Kafka to capture and expor…
A software development agency for open-source projects
DEV.co is a software development agency offering custom software development services and web development for companies adopting open-source observability tools. Our software developers and web developers evaluate, implement, integrate, customize, and maintain open-source software in production — so your team ships faster with less risk.
Building with open-source observability tools?
DEV.co helps companies evaluate, customize, integrate, and deploy open-source software with senior software developers.