Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.

Don’t just observe. Take action. The only app monitoring platform built for developers that gets to the root cause for every issue.

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

Swagger UI allows anyone — be it your development team or your end consumers — to visualize and interact with the API’s resources without having any of the implementation logic in place

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.

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.