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

Vigil is an open-source Status Page you can host on your infrastructure, used to monitor all your servers and apps, and visible to your users.

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

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

Free browser plugin to measures page load time and displays it in the toolbar.

All-in-one observability. New Relic Dashboard Video Tour Video Tour Data for engineers to monitor, debug, and improve their entire stack.