
Description: GraphicsMagick is an open source image processing software that can create, edit, compose, or convert bitmap images. It supports a wide range of image formats and has a comprehensive command-line interface for processing images.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Converseen is an open source image converter and resizer. It supports converting between over 100 image formats including popular ones like JPG, PNG, GIF, and TIFF. It provides batch conversion and resizing tools as well.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API