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.

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.

Code, test, and deploy synthetic monitoring at scale.

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

Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.