We're re-launching Signum Framework.<p>Is an Open Source (LGPL) framework for writing applications using a modular design, and taking advantage of the latest technologies from Microsoft (.Net 4.0/4.5.1, C# 5.0, LINQ, SQL Server, WPF, ASP.Net MVC 4.0/5.0 and TypeScript) and other popular web frameworks (jQuery, Bootstrap and D3.js), to provide a complete solution to Line-of-Business application.<p>In <a href="http://signumsoftware.com/en/Extensions" rel="nofollow">http://signumsoftware.com/en/Extensions</a> there are examples of reusable modules that can be plugged in any Signum Framework application, including the necessary tables entities, business logic and windows/web user interfaces.<p>You can create an example application in <a href="http://signumsoftware.com/en/DuplicateApplication" rel="nofollow">http://signumsoftware.com/en/DuplicateApplication</a>.