
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: Tall Guys Free is a free and open-source computer-aided design (CAD) software for 2D and 3D design targeted at hobbyists and makers. It provides an accessible interface for creating models and prototypes with basic geometric shapes and tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API