
Description: CSSEdit is a lightweight yet powerful CSS, HTML, JavaScript editor and code optimizer for macOS. It has a clean interface and useful features like code completion, color picker, CSS sprites and more to help web developers write efficient code quickly.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Runestone is an open-source e-learning platform for writing interactive textbooks in Python. It allows authors to create web-based course content with assignments, visualizations, active code, and more to teach programming.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API