
Description: Steller is a free storytelling app and website that allows users to create visual stories by combining text, photos, videos and more. It has an intuitive drag-and-drop interface to craft engaging narratives.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Photoaster is a free and open source photo editor for Windows, Mac, and Linux. It provides basic editing tools like cropping, resizing, color adjustment, text addition, filters, and more. Photoaster focuses on ease of use over advanced functionality.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API