
Description: GNU social is a free and open source social networking platform. It is designed to be decentralized and enable users to control their own data instead of having it stored on corporate servers. It is compatible with Twitter to allow seamless communication across platforms.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: App.net was a microblogging and social networking service created in 2012 that focused on providing a simple, chronological feed. It charged a monthly subscription fee and positioned itself as an alternative to free services like Twitter by offering an ad-free experience focused more on the user experience than advertising revenue.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API