Gatus
7.2#22 in uptime monitoring servicesFrom $10 a monthWebAPISelf-hosted
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| Fact | Gatus | UptimeRobot |
|---|---|---|
| Alert channels | Slack,Microsoft Teams,Telegram,Discord,Google Chat,Gotify,Matrix,Mattermost,n8n,Ntfy,Opsgenie,Email,Gitea,GitHub,GitLab | Email, SMS, voice call, mobile push, Email-to-SMS and integrations are listed. |
| Free plan | Yes | Yes |
| Keyword monitoring | Yes | Yes |
| Monitor limit | 30 | 10 |
| Server monitoring | Yes | Yes |
| SSL expiry alerts | Yes | Yes |
| Status pages | Plans include status pages, with private pages and custom hostnames listed as included features. | Supports branded real-time status pages with incidents and maintenance updates. |
Gatus suits teams seeking open-source service monitoring through web, API, or self-hosted options. Its check types and alert integrations may fit teams that need to monitor endpoints and share status pages.
It suits people and teams who need availability monitoring for websites, servers, or other services, with alerts and status pages. The free plan is described for hobby and non-profit projects; Solo is positioned for freelancers and small sites.