lufa 

A fast, lightweight, cross-platform serialisation tool with support for safe schema evolution.

Provides a WPF value converter that converts an ISO 3166-1 alpha-2 country code into a WPF Image of that country's flag.

Content-addressable storage for .NET

Simple physics sandbox for .NET

Types exposed by Cassette, a content-addressable storage library for .NET

A simple dependency injection framework with full support for C# async/await.