
Description: Gimp Paint Studio (GPS) is a free, open source digital painting program similar to Adobe Photoshop. It is an add-on for GIMP that aims to provide professional-level painting tools like layers, advanced brushes and adjustments while retaining GIMP's powerful image editing capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Huion Sketch is a lightweight digital painting and sketching software for Windows. It has a minimalist interface optimized for pen tablets with versatile brush engines and layers support.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API