
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: STLView is a free software for viewing and manipulating STL files. It allows users to open, view, rotate, pan, zoom, and measure STL models. Useful for previewing 3D prints before slicing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API