
Description: Qtractor is an open-source digital audio workstation application designed for audio recording, editing and managing MIDI and audio Sequencer. It features unlimited audio and MIDI tracks, supporting a variety of plugins and effects, as well as LASH session sharing.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Seq24 is an open-source, cross-platform MIDI sequencer for creating and editing music. It has a simple and intuitive interface allowing easy creation and manipulation of MIDI patterns. Useful for composers, musicians, and hobbyists.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API