
Description: MuseScore is an open source and free music notation software. It allows users to create, edit, listen to and print sheet music. MuseScore can import and export MusicXML and MIDI files.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Gustaf is an open-source customer data platform (CDP) that focuses on consent and data governance. It allows you to build a unified customer profile, activate data across channels, and manage consent and permissions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API