
Description: Gajim is an open-source instant messaging client that uses the XMPP protocol. It is available on Linux, Windows, and macOS. Gajim provides features like end-to-end encryption, message archiving, and support for plugins.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Trillian is an instant messaging application that supports multiple protocols in one interface, including AIM, ICQ, MSN, Yahoo Messenger, and more. It allows connecting to multiple chat networks at once from a single app.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API