
Description: Youllo is a voice and video calling app that allows users to make calls over the internet. It offers features like group calls with up to 50 people, screen sharing, messaging, and virtual backgrounds.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Bluesky is an open source social media platform focused on ethical algorithms, privacy, and decentralization. It aims to provide an alternative to the big commercial platforms by creating a federated network of servers to host users' data.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API