C# .NET Managed Library Handling NIF (NetImmerse/GameBryo game engine) file format for 3D Meshes / Models
Originally posted by dol-leodagan in 2015: https://github.com/dol-leodagan/niflib.net
Niftools repository for Niflib : https://github.com/niftools/niflib
Most niflib.net Logic and Object Naming is mirrored from Niftools source code reimplemented in C#.
Niftools repository for NIF file format XML Description : https://github.com/niftools/nifxml
This is the Bible for understanding how to build an Object from a NIF file stream.