
Description: Zero Brush is a free and open-source digital painting program for Windows, macOS and Linux. It features a wide range of brushes, layers, filters and supports many file formats. It aims to provide a lightweight yet powerful painting app for digital artists.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: 3D-Coat is a digital sculpting program focused on concept art and high-resolution models for games, film, and animation. It features a unique voxel-based workflow and specialized tools for UV unwrapping, dynamic topology, and hard surface modeling.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API