
Description: Mtpaint is a simple, easy to use open source painting program for Linux. It has basic drawing and image editing features like layers, brushes, shape tools, color picker etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: The Microangelo Toolset is a free Windows-based suite of tools for creating and editing pixel art and tile-based graphics. It includes editors and utilities for drawing, animation, tile mapping, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API