
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zed is a free, open-source code editor developed by the coding community. It has support for hundreds of programming languages and features like syntax highlighting, code completion, split editing, a built-in terminal, GitHub integration, addons, and customization.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API