
Description: BuddyTalk is an instant messaging application focused on privacy and security. It offers end-to-end encryption, screen sharing, voice and video calls. BuddyTalk is available for Windows, Mac, Linux, iOS and Android.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sim-IM is an open source instant messaging client for Windows that supports multiple protocols including XMPP/Jabber, IRC, Telegram, and Twitter. It offers a customizable interface, plugins, group chats, encryption, and other standard chat features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API