
Description: Saint Paint Studio is a free, open-source raster graphics editor for Windows, Mac and Linux. It has a simple, easy-to-use interface with basic features like layers, brushes, shape tools, text tool, color correction and more. It's a good option for hobbyists and casual users.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PTLens is a lens profile editor and RAW converter for Windows. It allows photographers to make lens corrections and adjustments to RAW photos. Key features include lens aberration corrections, vignetting control, distortion fixing, and full RAW processing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API