
Description: Tilesetter is an open-source, free software for Linux used to create tilesets and tilemaps for 2D video games. It has a simple interface for drawing and editing tiles with features like layers, copy/paste, reshape, color picker, grids, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Pixelorama is a free, open-source pixel art editor and animation program. It has basic tools for drawing, coloring, and animating 2D pixel art. It's designed to be simple and intuitive for beginners while still providing utility for more advanced users.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API