
Description: Power Tab Editor is a free and open-source guitar tablature editor for Windows. It allows users to create, edit, play back, print, and share guitar tablature. Key features include MIDI playback, effects, tempo changes, alternate endings, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tonelib JAM is a free digital audio workstation and MIDI sequencer for Windows, Mac, and Linux. It allows you to record, edit, and mix audio and MIDI. Tonelib JAM has a simple and intuitive interface yet powerful editing and effects capabilities.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API