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

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

The open-source status page system

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.

The world's leading uptime monitoring service.

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