
Description: Chromatic Glass is a free open-source music notation software for Windows, Mac, and Linux. It provides a simple yet powerful way to write, arrange, listen to, print, and publish musical scores. Key features include MIDI input and playback, audio export, notation editing, instrument libraries, and engraving tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Color Blind Pal is a free color blindness simulator and accessibility tool. It allows people to visualize how those with color vision deficiencies see digital content, to improve the design for accessibility.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API