GatusDefine endpoint health checks and alerts in configuration files.
Free Apache-2.0 software · No per-monitor licence quota · Always-on hosting and storage extra
Synthetic API monitoring, uptime checks & browser transaction alerts
Free alternatives to Checkly
Find a free app for the parts of Checkly you actually use.
Compare the free allowance and limitations on each app’s page. These are workflow alternatives, rather than identical copies.
Free options
Suggest an alternative →Gatus
Uptime KumaCheck service uptime and publish status pages from your own server.
Free open-source software · bring a server and maintain it.