aj-r 

Contains a Rational class for working with rational numbers without floating point errors. Also contains some useful mathematical functions, such as GCD.

A client for the Riot Games v4 API. This client is very flexible and configurable, and is designed for real-life use on a multithreaded server.

A collection of various helpful .NET utilities. This includes extension methods, a hash code combiner, an ObservableCollection that supports transactions, and more.

Manages files and tracks recently opened/saved files. Compatible with IoC frameworks.

A collection of converters, controls, and other extensions that are useful for just about any WPF project.

An extension for the FileManagement package that conatins a JSON.NET serializer.