
Description: Google Groups is a free discussion group platform from Google that allows people to have online conversations by email or on the web. It offers public and private groups to foster communication between specific teams, organizations, or wider interest-based communities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nabble is an open-source communication and collaboration platform that allows teams and communities to have discussions online. It provides forums, chat rooms, wikis, blogs and more in one integrated platform.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API