SkiaSharp is a cross-platform 2D graphics API for .NET platforms
Real-time physically based rendering engine for Android, iOS, and more
Support for legacy OpenGL in core profiles
3D modeler, 3D game maker, 3D demo maker
An efficient vector-graphics renderer
Slazzer-Android can help to remove image background automatically
Tuplerbox lets you quickly share photos from your device and access it
3D .NET engine for Windows, Linux, Mac