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

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.

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

The world's leading uptime monitoring service.

Build trust with every incident Easily communicate real-time status to your users, just like DigitalOcean and Dropbox.

Easy-to-use website monitoring and uptime monitoring service in one