SkiaSharp is a cross-platform 2D graphics API for .NET platforms
High performance self-hosted photo and video management solution
Real-time physically based rendering engine for Android, iOS, and more
React components for building interactive data visualizations
The open-asset-importer-library repository
3D Engine c++
A Swift Package for creating familiar UI Elements and animation
Emgu CV is a cross platform .Net wrapper for OpenCV
Free 3D Mobile CAD
3D .NET engine for Windows, Linux, Mac
Not your usual Architectural Modeler