
Description: ToneStack is a free online audio editor that allows you to record, edit, and share audio files directly in your web browser. It has basic editing features like cut, copy, paste, delete, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Rakarrack is a free, open-source guitar effects processor and amp simulator for Linux, Mac OS X, and Windows. It features a simple and intuitive user interface with over 40 effects modules including distortions, filters, dynamics, delays, reverbs, modulators, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API