troygeiger 

TG.JSON is a versatile library for creating, parsing, encrypting values, binding, serializing and deserializing JSON. It's compact, fast and very easy to use.

Reads and writes INI files and make navigating them easy. Simple object can now be serialized/deserialized.

Provides SizeD, PointD and RectangleD for double values. Also adds other useful geometry functions and Robert Penner's easing equations.

Using key press timing, this TextBox only allows text to be entered from a bar code scanner.

A small library of useful methods.