
Description: Sekaiju is an open source MIDI sequencer and editor software for Windows. It allows users to edit MIDI files, record MIDI data, quantize and transpose notes, edit lyrics and tempo, add effects, and export MIDI files.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Rosegarden is an open-source digital audio workstation application that features MIDI and audio sequencing capabilities, score editing tools, and basic audio editing functionality. It allows users to create and edit musical scores and compositions, produce MIDI and audio files, and import/export to various file formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API