Denis535 

The Linq.Next package is intended to enhance the linq and the collections with an extra useful features

MSBuild extension 'MakeTypesPublic' is intended to disable access checks to non-public types and its members.

The assertion library with a very convenient method chaining api.

The library that helps you implement the hierarchical tree structure.

The library that helps you implement the state pattern.

The Option is a container that may have some value (null is also valid value) or may have nothing.