
Description: BlueGriffon is an open source WYSIWYG content editor for creating web pages and sites. It allows users to visually edit HTML, CSS, and Javascript while writing content, similar to desktop publishing software. It is free, lightweight, and available for Windows, macOS, and Linux.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Screem is a free and open source website and web application development tool. It features an integrated development environment with support for HTML, CSS, JavaScript, and PHP. Screem allows for rapid coding and testing with preview and debugging tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API