
Description: ArcChat.com is a free, web-based chat platform that allows real-time communication between people through instant messaging. It has public chatrooms and also supports private messages between users.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Userlike is a customer service software that provides live chat, email support, knowledge base, and analytics. It allows businesses to communicate with customers in real-time via chat widgets on their website.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API