
Description: Zandronum is a multiplayer-focused engine port that allows you to play classic Doom games online with others. It builds on the Doom source code to provide features like character classes, player levels, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Jerrath is an open-source and self-hosted alternative to Discord. It allows users to create servers and channels for text, voice, and video chat. Jerrath focuses on privacy and security with end-to-end encryption.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API