
Description: OpenSTL is an open-source, cross-platform 3D solid modeling tool used for 3D printing and designing computer aided designs (CAD). It uses an intuitive drag and drop interface and offers features like sketching, sculpting, surface modeling, generating supports, generating infills, analyzing parts, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Viewshape is a browser-based diagramming and wireframing software for creating flowcharts, mind maps, wireframes, and more. It has a simple and intuitive drag-and-drop interface to allow anyone to easily create and share visual content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API