
Description: LangParty is a free language exchange platform that allows people learning different languages to connect through text, voice, and video chat. Users match with partners who are native speakers of the language they want to practice. Partners take turns helping each other improve conversation skills.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tandem is a remote team collaboration tool that allows distributed teams to communicate, collaborate, and manage workflows in one unified platform. It provides features like chat, voice/video calls, file sharing, task management, calendars, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API