
Description: Bigtent is an open-source alternative to Meetup groups and event management platforms. It allows admins to create community event pages with RSVPs, discuss topics in forums, and build mailing lists. The focus is on enabling in-person connections.
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