
Description: Caprine is an open-source, free desktop application for Facebook Messenger. It is available on Windows, macOS and Linux. Caprine offers a lightweight and customizable alternative to using Facebook Messenger in the browser.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Miranda NG is an open source, multi-protocol instant messaging client for Windows. It is a continuation of the original Miranda IM client, with added features and improvements. Miranda NG supports popular chat protocols like ICQ, Jabber, IRC, MSN, AIM, Yahoo and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API