Vorbis .NET is a class library for the .NET framework. It allows you write programs using the .NET framework that can play back audio encoded in the Ogg Vorbis file format.
A new release of Vorbis .NET (1.3.1) is now available. Fixes have been made to the stream manager.
The latest version of Vorbis .NET (version 1.3.1) was released on 4 September 2005. You can download the compiled DLL binary and source code here, and documentation is available here.