
Description: Hacker Pad is a real-time collaborative code and text editing platform. It allows multiple people to edit the same document simultaneously with synchronized cursors, chat, code completion, and other coding features. Useful for pair programming, code reviews, teaching coding, and team collaboration.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GNU Emacs is a popular, open source text editor and computing environment. It runs on most operating systems and provides extensibility through an Emacs Lisp interpreter.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API