
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Helm is an open-source packaging tool that helps you install and manage Kubernetes applications. It packages Kubernetes resources into 'Charts' that allow you to version, share, and reuse deployment configurations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API