
Description: ejabberd is an open-source XMPP application server written in Erlang that can be used to create instant messaging services. It is highly scalable and customizable with plugins.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Apache Vysper is an open source XMPP server written in Java that can be embedded into Java applications to provide instant messaging and presence capabilities.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API