Cabot
Cabot is a self-hosted, open-source monitoring and alerting service that provides a lightweight alternative to commercial tools like PagerDuty. Built with Python and Django, Cabot monitors your websites, services, and infrastructure, sending instant alerts when something goes wrong. With over 5,600 GitHub stars, it is a popular choice for teams that want a simple, self-hosted alerting solution without the complexity of full-scale monitoring platforms.
Key Features
- Service monitoring — Monitor HTTP endpoints, TCP ports, ICMP ping, and Jenkins job status with configurable check intervals and timeout settings
- Smart alerting — Configured alert thresholds and escalation policies ensure the right people are notified at the right time, reducing alert fatigue
- Multiple notification channels — Alerts via email, SMS (Twilio), Slack, HipChat, PagerDuty, and custom webhooks for integration with any communication platform
- Status page — Built-in public status page to communicate service health to your users and stakeholders
- Python-based plugin system — Extend monitoring capabilities with custom Python plugins for checking application-specific metrics and services
- Docker deployment — Easy setup with Docker Compose for quick self-hosted deployment, making it ideal for small teams with limited infrastructure
- MySQL/PostgreSQL backend — Store monitoring history, alert logs, and configuration in your choice of relational database
Why Use Cabot?
Cabot fills the gap for teams that need reliable alerting without the cost or complexity of enterprise monitoring platforms. Its focus on simplicity — monitor services, send alerts, show status — makes it ideal for small to medium teams that want a self-hosted alternative to SaaS alerting services. The Docker-based deployment gets you up and running in minutes, and the Python plugin system makes customisation straightforward for developers.
Use Cases
- Small team infrastructure monitoring with simple HTTP and TCP health checks
- Internal status pages for development and operations teams
- Self-hosted PagerDuty alternative for privacy-conscious organisations
- Jenkins CI/CD pipeline monitoring with automatic alerting on build failures
Platform
Linux · Docker
Licence
MIT License