
Description: PySubD is an open-source Python library for creating and manipulating subdivision surfaces. It allows for high-quality spline modeling by providing a smooth interpolation of coarse polygon meshes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Undertext is an open-source alternative to Grammarly. It is a grammar checker and writing assistant designed to help improve your writing style, catch grammar mistakes, and suggest improvements to make your writing clearer and more effective.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API