
Description: Rebelle is a digital painting software focused on realistic and impressionist styles. It simulates the behavior of real artistic media like acrylic, watercolor, and oil paint. Key features include wet diffusion, color blending, base coats, resaturation, and a unique real-time stroke preview.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API