
Description: Instantbird is an open-source instant messaging client that supports popular chat protocols like XMPP/Jabber, IRC, Twitter and Facebook Chat. It is based on Mozilla technology and aims to be a lightweight and customizable alternative to larger IM clients.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API