
Description: Chameleon is a free, open-source WebExtension for Mozilla Firefox that allows customizing the browser's interface and behavior. It provides options to change themes, layouts, fonts, colors and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: 30 Seconds of Knowledge is a free and open source collection of useful JavaScript snippets that you can understand in 30 seconds or less. It aims to allow developers to learn small reusable code snippets for common tasks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API