
Description: Helvum is an open-source cross-platform note taking app focused on flexibility and customizability. It allows users to organize notes into customizable notebooks, supports tagging, linking between notes, embedding media, and has a variety of text formatting options.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: JACK Audio Connection Kit is a cross-platform audio server designed to enable low latency audio connections between applications on Linux, macOS, and Windows systems. It allows audio apps to share audio data in real-time.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API