
Description: CodeJar is a lightweight code playground that allows you to easily test snippets of JavaScript, HTML, CSS and other web languages right in your browser. It has a simple, clean interface with built-in themes and customization options.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ACE Code Editor is a lightweight open-source code editor written in JavaScript. It supports over 100 languages with syntax highlighting and autocompletion. It's highly customizable and embeddable in web pages. The goal is to create a browser-based code editor that matches desktop editors.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API