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. It provides dashboards, alerts via Slack/email, and integrations with tools like Prometheus and Grafana.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | open-source-labs/Chronos |
| Owner | open-source-labs |
| Primary language | TypeScript |
| License | MIT — OSI-approved |
| Stars | 849 |
| Forks | 208 |
| Open issues | 72 |
| Latest release | v15.0 (2025-02-14) |
| Last updated | 2025-04-30 |
| Source | https://github.com/open-source-labs/Chronos |
What Chronos is
Built in TypeScript with Electron, React, and Node.js, Chronos collects metrics from Docker, Kubernetes, AWS, and gRPC/REST APIs, visualizes them via Grafana, and sends notifications. It uses Prometheus and cAdvisor for data collection and includes user authentication with persistent storage.
Get the Chronos source
Clone the repository and explore it locally.
git clone https://github.com/open-source-labs/Chronos.gitcd Chronos# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- Requires Node.js, Docker, and Kubernetes/AWS CLI tooling. Desktop Electron app can run locally; web deployment requires additional infrastructure planning.
- User authentication and service/database connection persistence added in v11; verify schema and database setup (MongoDB mentioned in examples) before production deployment.
- Prometheus and cAdvisor integration spans increased in v12; ensure your environment exposes these endpoints or has them configured for metric collection to work.
- CI/CD publishing to NPM Registry exists (v12+); however, deployment and operational runbooks are not explicitly documented in the excerpt—requires hands-on testing.
- TypeScript migration in v15 reduces runtime errors; however, adoption in production should include staged rollout and validation of refactored components (SASS, UI, bundler changes).
When to avoid it — and what to weigh
- Require Enterprise SLAs or Commercial Support — Chronos is community-maintained open-source with no guaranteed support contracts, SLAs, or vendor backing. Unsuitable if you need paid support or enterprise indemnification.
- Need Production-Grade Multi-Tenancy — No evidence of RBAC, data isolation, or audit logs for multi-tenant deployments. Better alternatives (Datadog, New Relic, Prometheus managed services) are available.
- Legacy Non-Containerized Infrastructure — Chronos is optimized for containerized and cloud-native stacks. If your estate is primarily VMs or bare metal without Kubernetes/Docker, integration will be limited.
- Regulatory Compliance or Data Residency Mandates — No documented compliance certifications (SOC2, FedRAMP, GDPR). Requires careful security review before use in regulated industries or sensitive deployments.
License & commercial use
MIT License. Permissive OSI-approved license allowing use, modification, and distribution with minimal restrictions (attribution and license notice required).
MIT License permits commercial use, modification, and distribution. However, no warranty or liability indemnification is provided. Suitable for internal use; verify with legal counsel if bundling or reselling is intended. No commercial support is offered by the maintainers.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Active |
| Documentation | Adequate |
| License clarity | Clear |
| Deployment complexity | Moderate |
| DEV.co fit | Good |
| Assessment confidence | Medium |
User authentication and persistent credential storage added (v10–v11); however, no published security audit, vulnerability disclosure policy, or threat model documented. HTTPS/TLS configuration, encryption at rest, and secret management practices are not detailed. Requires security review before use in regulated or production environments. Community-maintained; no security team backing.
Alternatives to consider
Prometheus + Grafana (open-source)
Mature, widely adopted, more extensive ecosystem and community support. Requires manual setup and configuration; no built-in authentication. Better if you want control and separation of concerns.
Datadog
Commercial SaaS with enterprise support, RBAC, compliance certifications (SOC2), and broader integration ecosystem. Higher cost. Recommended if you need production SLAs and audit trails.
New Relic
Commercial APM platform with distributed tracing, logs, and metrics. Enterprise support and compliance certifications. Better for large teams requiring managed observability and legal accountability.
Build on Chronos with DEV.co software developers
Chronos offers open-source visibility into containerized and cloud-native architectures. Start with the desktop app or deploy it in your cluster. Review the GitHub repo and documentation to assess fit for your environment.
Talk to DEV.coRelated open-source tools
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Related on DEV.co
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Chronos FAQ
Can Chronos be self-hosted?
Does Chronos support distributed tracing?
What data formats and protocols does Chronos accept?
Is there a paid or enterprise version?
Software development & web development with DEV.co
Need help beyond evaluating Chronos? DEV.co is a software development agency offering software development services and web development for teams of every size. Our software developers and web developers build custom software, web applications, APIs, and open-source observability integrations — and maintain them long-term.
Ready to Monitor Your Microservices?
Chronos offers open-source visibility into containerized and cloud-native architectures. Start with the desktop app or deploy it in your cluster. Review the GitHub repo and documentation to assess fit for your environment.