Checkmate

Open-source monitoring you host yourself for websites, servers, containers and SSL, with status pages and alerts.

checkmate.so · Free

Visit checkmate.so ↗would rather buy than build

Running since2025Website first archived

Details

What it does: Uptime and monitoring
Who it’s for: Developers, Software companies
Pricing: Free
Works on: Web, Linux
Extras: Open source, Can self-host
Works with: docker, pagerduty, lighthouse
Tags: uptime monitoring, server monitoring, status pages, ssl monitoring, incident alerts

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