Compare software

CheckmateHetrixTools
Free

Free and open source to self-host.

 Freemium

Free tier with 15 uptime and 32 blacklist monitors; paid plans add more.

Web, Self-hosted Web
  • Combines uptime checks with server hardware monitoring
  • Docker and Helm chart deployment options
  • Generous free tier for uptime and blacklist monitoring
  • Checks from up to 12 locations
  • You have to host and maintain it yourself
  • No hosted version described in the research
  • Hosted only, with no self-hosted option
  • Requires an account
Self-hosted Web application, Hosted service
Open source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Needs internet

Checked September 23, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.