
Description: Sharp11 is an open-source music notation software that allows users to write, print, and publish musical scores. It has an intuitive interface for note input and editing along with audio playback capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TrebleMaker is a free and open-source audio editing software for Windows. It provides features for recording, editing, and mixing audio. TrebleMaker is lightweight and easy to use.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API