Open source alternatives to UptimeRobot

4 open source projects replace UptimeRobot, ranked by how safe each is to depend on.

88 · Healthy

Status pages and uptime monitoring from several regions, with incident updates and alerting.

AGPL-3.0★ 9.2kLast commit today

87 · Healthy

Health checks for HTTP, TCP, DNS and more, configured in YAML, with alerts and a status page.

Free to useApache-2.0★ 12kLast commit yesterday

83 · Healthy

Uptime monitor for HTTP, TCP, DNS and more, with status pages and many notification channels.

Free to useMIT★ 92kLast commit yesterday

70 · Stable

Uptime, response time and server hardware monitoring, with incidents and status pages.

AGPL-3.0★ 11kLast commit today

88 · Healthy

87 · Healthy

83 · Healthy

70 · Stable

At a glance

Health and license are separate verdicts: a project can be well maintained and still not be open source.

Project	Health	License	Stars	Last commit
openstatus	88 · Healthy	Free, share hosted changesAGPL-3.0	9.2k	today
Gatus	87 · Healthy	Free to useApache-2.0	12k	yesterday
Uptime Kuma	83 · Healthy	Free to useMIT	92k	yesterday
Checkmate	70 · Stable	Free, share hosted changesAGPL-3.0	11k	today

UptimeRobot is a paid monitoring & error tracking product. See all open source monitoring & error tracking tools, ranked the same way.

Scores last refreshed from GitHub on 9 October 2026. How we score.