
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: LMMS is an open source digital audio workstation that allows you to produce music and sounds using virtual instruments, audio samples, and effects plugins. It has features like an easy-to-use interface, VST support, MIDI editor, and automation.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API