Uptime Kuma is an easy-to-use self-hosted monitoring tool.

Status, performance and uptime monitoring for cron jobs, websites, APIs and more.

Don’t just observe. Take action. The only app monitoring platform built for developers that gets to the root cause for every issue.

Percy is a visual testing and monitoring tool that focuses on detecting visual changes in web applications

LangSmith Observability gives you complete visibility into agent behavior with tracing, real-time monitoring, alerting, and high-level insights into usage.

The open-source status page system