
Description: JJazzLab is an open-source MIDI sequencer, sampler, and digital audio workstation designed for jazz composition and performance. It allows users to record, edit, and play back MIDI and audio with features like virtual instruments, effects, chord generators, score editing, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: VArranger is a digital audio workstation and MIDI sequencer software for Windows and macOS. It allows for multi-track recording, editing, and mixing audio and MIDI. Key features include virtual instruments, effects, automation, score editing, and video export.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API