
Description: Grafx2 is a free, open source bitmap paint program for Windows, Linux, MacOS, and other platforms. It is designed for creating pixel art, sprites, and other raster graphics. Key features include support for multiple layers and transparency, animation frames, palettes, image filters, and basic editing tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mtpaint is a simple, easy to use open source painting program for Linux. It has basic drawing and image editing features like layers, brushes, shape tools, color picker etc.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API