Monitor everything.
Miss nothing.
Open-source infrastructure monitoring for uptime, servers, Docker containers, and hardware health. Self-host for free.
Demo credentials: demouser@demo.com / Demouser1!
Monitoring shouldn't cost
a fortune or your sanity.
Enterprise tools are overpriced. Free tools are limited. Checkmate gives you everything you need, open source.
Expensive alternatives
Datadog and PagerDuty charge per host, per feature. Costs spiral as you scale. Checkmate is free to self-host with no artificial limits.
Data privacy concerns
SaaS monitoring means your data on their servers. Self-host Checkmate and keep full control of your metrics.
Complex setup
Prometheus and Grafana require hours of configuration. Checkmate is ready in minutes with Docker.
Everything you need to
keep systems running
From simple uptime checks to advanced infrastructure monitoring. One platform, complete visibility.
Global uptime monitoring
Monitor HTTP, ping, and TCP endpoints from 6 continents with GlobalPing. Know when things go down, anywhere in the world.
Server monitoring
Track CPU, memory, disk, and network usage across all your servers.
Docker monitoring
Monitor container health, resource usage, and restart events.
Multi-channel alerts
Get notified via email, Slack, Discord, or custom webhooks. Never miss an incident.
Public status pages
Beautiful, customizable status pages to keep your users informed during incidents.
Game server monitoring
Monitor Minecraft, CS2, Valheim, and other game servers with player counts.
Response time tracking
Track response times and latency with historical charts and performance insights.
Team collaboration
Invite your team with role-based access control. Everyone stays in the loop.
See it in action
A clean, powerful interface that gives you complete visibility into your infrastructure
Know the moment something goes wrong
Track uptime percentage, incident count, and response times for every endpoint. Historical charts show patterns so you can catch issues before they become outages.
- Real-time uptime percentage and incident tracking
- Response time charts with day, week, and month views
- SSL certificate expiry monitoring
Understand your site performance
Powered by Google Lighthouse, get detailed performance scores, accessibility ratings, and Core Web Vitals tracking over time.
- Lighthouse performance, accessibility, and SEO scores
- Core Web Vitals: LCP, FCP, CLS, and more
- Score history to track improvements over time
Deep visibility into server health
Monitor CPU, memory, disk, and network usage across all your servers with the lightweight Capture agent. See real-time gauges and historical trends.
- CPU usage, temperature, and core frequency
- Memory and disk usage with visual gauges
- Historical charts for capacity planning
Keep your users informed
Create beautiful public status pages that show real-time service health. Build trust with your users by being transparent about uptime.
- Public-facing status dashboard with custom branding
- Per-service uptime bars with historical data
- Shareable link for customers and stakeholders
Deploy your way
Self-host for complete control over your data and infrastructure.
Self-hosted
Free foreverComplete control over your data and infrastructure
- Deploy with Docker in under 5 minutes
- No artificial limits on monitors or team size
- Your data stays on your servers
- Full source code access under AGPL-3.0
Built in the open, for everyone
Checkmate is fully open source under the AGPL-3.0 license. No vendor lock-in, no hidden costs. Inspect the code, suggest features, or contribute directly.
Join our community of 130+ contributors building the future of infrastructure monitoring.
Ready to stop worrying
about downtime?
Start monitoring your infrastructure in minutes. Free forever, self-hosted.