Checkmate
An open source server monitoring tool
Free4,028 impressions#4 of its week
Checkmate is an open-source, self-hosted tool that monitors server hardware, uptime, response times and incidents with real-time visualizations.
- for
- Developers and ops teams who need self-hosted infrastructure monitoring.
- pricing
- open source
- license
- AGPL-3.0
Key features
- Hardware & Service Monitoring — Tracks CPU, RAM, disk, temperature and service uptime with real-time alerts.
- Response Time & Uptime Checks — Periodically checks server/website availability and records response times.
- Capture Agent — Optional Go-based agent that gathers detailed metrics from Linux, Windows, macOS and Raspberry Pi.
- Docker Container Monitoring — Monitors container state, health, CPU/memory usage and can collect recent logs.
- All-in-One Docker Image — Deploys via a single Docker Compose file with a separate MongoDB service.
- Custom CA Support — Allows monitoring of HTTPS endpoints using private certificate authorities.
Use cases
- Monitor a fleet of Linux servers for hardware health and uptime
- Track website availability and response latency with instant alerts
- Collect Docker container metrics and recent logs for troubleshooting
- Gather detailed server stats via the Capture agent on heterogeneous OSes
Checkmate FAQ
How do I install Checkmate?+
Use the provided Docker Compose file to start the Checkmate image and a MongoDB container, then open http://localhost:52345.
What is the Capture agent?+
Capture is an optional Go-based agent that runs on remote servers to collect CPU, RAM, disk and temperature data.
Do I need MongoDB?+
Yes, Checkmate stores data in MongoDB; you can use the bundled MongoDB service or an external instance.
Can Checkmate monitor Docker containers?+
Yes, it can monitor containers directly via the Docker socket or through the Capture agent, including logs.
How do I monitor services with private TLS certificates?+
Configure a custom CA in the Docker setup as described in the Custom CA Trust Guide.
Summarized by DevHunt from github.com · Sep 28, 2026. Details may change; check the official site.
