
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: TIC-80 is a free and open-source fantasy computer and game development environment that allows users to create, share, and play retro styled games. It has built-in tools for development like code, sprites, maps, sound editors and runs games in an emulated environment.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API