
Description: Synth1 is a free and open-source software synthesizer plug-in for digital audio workstations. It features 3 oscillators, 2 LFOs, 2 filters, an arpeggiator, and effects like chorus, delay, and reverb. Synth1 is known for its versatility in creating analog-style synth sounds like basses, pads, leads, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ZynAddSubFX is an open source software synthesizer for Linux, macOS, and Windows. It features subtractive, additive, FM, and other synthesis methods with effects, modulators, and filters for creating a wide range of sounds.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API