
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: HiPaint is a free and open source raster graphics editor for digital painting and photo editing. It has an intuitive user interface with customizable brushes and layers. HiPaint is lightweight, cross-platform and good for basic image manipulation tasks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API