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 tools to analyze and act on infrastructure problems.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | Icinga/icingaweb2 |
| Owner | Icinga |
| Primary language | PHP |
| License | GPL-3.0 — OSI-approved |
| Stars | 839 |
| Forks | 283 |
| Open issues | 215 |
| Latest release | v2.14.0 (2026-07-06) |
| Last updated | 2026-07-08 |
| Source | https://github.com/Icinga/icingaweb2 |
What icingaweb2 is
GPL-3.0 licensed PHP web framework and CLI for monitoring infrastructure, supporting Icinga 2 and Icinga DB Web backends. Modular architecture enables extensibility; integrates with visualization tools like Graphite.
Get the icingaweb2 source
Clone the repository and explore it locally.
git clone https://github.com/Icinga/icingaweb2.gitcd icingaweb2# 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 PHP runtime and web server stack (Apache/Nginx); verify PHP version compatibility and dependencies before deployment.
- Integration with Icinga 2 backend is mandatory; plan database and API connectivity between monitoring engine and web interface.
- CLI and web UI components share codebase; document separation of admin/operator roles and authentication scheme early in rollout.
- Module ecosystem is extensible but community-maintained; evaluate third-party modules for security and maintenance status independently.
- GPL-3.0 licensing means any custom modifications or derived works must be open-sourced; clarify compliance strategy with legal before customization.
When to avoid it — and what to weigh
- Closed-Source Commercial License Required — GPL-3.0 mandates source disclosure in derivative works. If your organization cannot comply with GPL copyleft obligations, this is not suitable.
- No Existing Icinga Infrastructure — Icinga Web 2 is tightly coupled to Icinga backends. If you don't already use or plan to use Icinga 2 or Icinga DB, consider standalone monitoring platforms.
- Minimal Development Resources — PHP expertise and familiarity with Icinga architecture are needed for customization. Small teams without these skills may face steep learning curves.
- High-Availability Distributed SaaS Model — Icinga Web 2 is designed for on-premises deployment. Cloud-native, highly distributed, multi-tenant SaaS platforms are better served by cloud-native monitoring stacks.
License & commercial use
Icinga Web 2 is licensed under GPL-3.0 (GNU General Public License v3.0). This is a copyleft license: derivative works, modifications, and distributed software incorporating this code must also be released under GPL-3.0 and include source code.
Commercial use is permitted under GPL-3.0, but with conditions: (1) source code must be provided or made available to users; (2) derivative works must retain GPL-3.0; (3) proprietary wrapping or closed-source extensions are not allowed. Icinga GmbH offers commercial support services separately. Requires review by legal counsel to ensure compliance with your distribution and modification plans.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Active |
| Documentation | Strong |
| License clarity | Clear |
| Deployment complexity | Moderate |
| DEV.co fit | Good |
| Assessment confidence | High |
GPL-3.0 license ensures source code transparency, which can aid security review. Security issues are handled via a documented reporting process (icinga.com/contact/security/). As a PHP web application, conduct threat modeling for: (1) authentication and authorization scheme (RBAC details not provided in data); (2) API authentication between web UI and Icinga backend; (3) third-party module vetting before production use. No formal security audit results or CVE history provided here; independent review recommended.
Alternatives to consider
Nagios XI
Commercial web UI for Nagios/Icinga with proprietary licensing; better if you need vendor support but less control over source code.
Prometheus + Grafana
Modern metrics-first stack with separate data collection and visualization; stronger for cloud-native and microservices environments; different architectural approach.
Netdata
Lightweight open-source monitoring with built-in dashboards; simpler deployment but less modular and less deeply integrated with Icinga infrastructure.
Build on icingaweb2 with DEV.co software developers
Review GPL-3.0 compliance, verify Icinga 2 backend compatibility, and plan infrastructure integration. Contact Icinga GmbH for professional support and consulting.
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icingaweb2 FAQ
Can we use Icinga Web 2 in a proprietary commercial product?
Is Icinga Web 2 suitable for small teams?
Does Icinga Web 2 replace Icinga 2 monitoring?
How often is Icinga Web 2 released?
Custom software development services
DEV.co helps companies turn open-source tools like icingaweb2 into production software. Our software development services cover the full lifecycle — architecture, web development, integration, and maintenance — delivered by software developers and web developers who ship. Engage our software development agency to implement or customize it for your open-source observability stack.
Ready to evaluate Icinga Web 2 for your monitoring stack?
Review GPL-3.0 compliance, verify Icinga 2 backend compatibility, and plan infrastructure integration. Contact Icinga GmbH for professional support and consulting.