Side by side
Cabot vs Gatus
Both stand on uptime monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APISelf-hostedWeb
Cabot covers service checks, threshold monitoring, severity states, alert channels, and a calendar-based on-call rota without a license fee. Its self-hosted deployment and inactive maintenance status mean teams need to handle operations and evaluate plugin reliability themselves.
Visit Cabot Free plan APISelf-hostedWeb
Choose Gatus if you need configurable endpoint checks, alert channels, and status pages, with options for self-hosting or managed plans. Compare the plan limits for team members, pages, endpoints, and check intervals before choosing a paid tier.
Visit GatusThe facts
| Cabot | Gatus | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | API, Self-hosted, Web |
| Lowest paid plan | Not published | Standard: $10 a month |
| Plans published | None | 4 |
| Maker | Not published | Not published |
| Website | cabotapp.com | gatus.io |
| On uptime monitoring software | #9 of 48 | #5 of 48 |
Cabot: what it does well
- Free and open source under an MIT license
- Monitors Graphite, Jenkins, and web endpoints
- Groups checks into logical services
- Offers email, Slack, SMS, and webhook alerts
- Provides a browsable authenticated API
What to know first
- The project is not actively maintained
- Listed plugins may not be validated
- Rota lacks escalation and shift-swap support
- Telephone alerts require qualifying Critical conditions
Gatus: what it does well
- Checks HTTP, ICMP, TCP, UDP, DNS, TLS, STARTTLS, and SCTP endpoints.
- Conditions can evaluate response time, bodies, status, expiry, and IP.
- Free plan includes a stated limit of 30 monitors.
- Offers self-hosted, API, and web platforms.
- Lists status pages and multiple alerting integrations.
What to know first
- Standard allows one team member and one status page.
- Minimum check intervals vary by plan, starting at two minutes on Standard.
- Beta API and alpha test suites are marked as such.