 
                        Description: NewPipe is a free and open-source YouTube client app for Android. It allows watching YouTube videos without ads, background play, and downloading videos and audio.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows
 
                        Description: Yotter is a free and open-source note taking app designed for simplicity and ease of use. It allows users to quickly capture thoughts, ideas, to-do lists, and more using a minimal interface without feature bloat.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API
 
                        
                        