Datadog is a cloud-based monitoring and analytics platform that provides observability and security for cloud-scale applications

Meticulous monitors your daily interactions with your application as you develop it

Code, test, and deploy synthetic monitoring at scale.

The open-source status page system

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