Create automatic monitors for detecting and scanning changes on web pages, evaluate content based on conditions you define and trigger actions such as notifications, sounds, emails etc.

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.

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

The world's leading uptime monitoring service.

The open-source status page system