
Description: Surge Synthesizer is a free, open-source digital synthesizer plugin for music production. It features multiple wavetable, analog, and hybrid synth engines with effects, modulation options, an arpeggiator, and more for crafting sounds.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Oxe FM Synth is a free, open-source FM synthesizer plugin for digital audio workstations. It features six operators, modulation matrix, effects, arpeggiator, and an intuitive interface for programming FM synthesizer sounds.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API