
Description: Bitsy is a free and open-source web-based pixel art editor and game engine designed for making small games and experiments. It features simple editing tools for drawing sprites, tiles, backgrounds, and building game worlds along with basic scripting capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LowRes NX is a free and open source raster graphics editor for creating digital paintings or photo editing. It features layers, customizable brushes, filters and effects, and supports plugins.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API