
Description: Hack Chat is an open source, self-hosted team chat built for developers. It has persistent messaging, private groups, code snippets, and GitHub/GitLab integrations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: eXo Platform is an open source enterprise collaboration platform that includes features like document and content management, enterprise social networking, forums, wikis, and more. It aims to improve productivity and connectivity across organizations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API