
Description: Pixel Studio is a free online pixel art editor for creating sprite animations and tilesets for games. It has a simple interface with tools for drawing, erasing, coloring, and animating pixels.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LibreSprite is a free and open source 2D sprite animation editor and pixel graphics creation tool. It supports frames, layers, and other common sprite animation features. With an intuitive timeline UI and animation features, LibreSprite is good for making 2D animation clips, simple animated images, and game sprites.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API