
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: LDtk is an open source level design tool for 2D games. It allows you to create levels with tilemaps and organize them hierarchically for easy editing. Useful for indie game developers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API