jeffrey-w 

A library that provides additional operations on common types

A library for introspecting on types, and providing language-agnostic descriptions of their constructors

A library that provides a means for verifying preconditions on function arguments.

The Properties library provides a facility for dynamically attaching new attributes to objects.

A library for obtaining every .NET type.

The Extra.CaseConverter library provides a means for transforming strings from one case to another.