sharpcontrols 

Utilities for SharpControls, some SharpControls libraries use this as dependency but it can also used alone.

Handles API calls for REST.

Validation library

Financial Helpers

(Very) simple authentication framework for your C# application based on a REST API

This library automatically adds the street, city, state etc. to an areacode based on informations from CEPAberto and other libraries. This is the successor of AutoCEP and should be used instead.

Library to handle payments with PagSeguro