NTDoX is an open source ORM project which works like a bridge between your web site/windows application and data source. This means that you are free of platforms and database structures. It supports MS SQL Server 2005 and MS Access for now.
A free rendered GUI library providing windowing and widgets for the easy creation of HUDs for games. It supports themes/skinning, XML-based configuration, and works with any graphics API or rendering engine including Axiom, Irrlicht, and SDL.NET.