
Description: MyPaint is a free and open-source raster graphics editor specialized for digital painters. It has a focus on painting rather than image manipulation and uses a brush engine to simulate real media like oils or watercolors.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: openCanvas is a free, open-source vector graphics editor similar to Adobe Illustrator. It has a simple, intuitive interface and tools for creating illustrations, diagrams, logos, and other graphics. It supports layers, shapes, typography, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API