
Description: Youka is an open-source note taking and knowledge management software. It allows users to organize notes, tasks, web pages, documents and more in an intuitive notebook-style interface to improve productivity. Youka integrates with many cloud services for seamless syncing and collaboration.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Performous is a free and open source singing video game. It allows users to sing popular songs by karaoke over custom background animations and lyrics videos. It is cross-platform working on Windows, Mac and Linux.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API