An open-source, automated tool to help you improve the quality of web pages. You can run it on any web page, public or requiring authentication.

Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.

A website for getting different information for colors (different formats, complementary color) , especial a color blindness simulator.

Allows you to easily check the accessibility of any web page directly in Google Chrome, so you can immediately identify issues based on the latest ACT (Accessibility Conformance Testing) rules – with instant feedback and recommendations.

An open source JS tool for image analysis and comparison. A successor of PhantomCSS.

Simple animated GIF screen recorder with an easy to use interface.