Npgsql that allows a .Net program to access Postgresql databases; you can use it with Visual Studio. This application is implemented in C# code and works with Postgresql 9.x and above. Some others version may also work with this. The present version comes with many bug fixes.
Program and debug applications in C, C++, and Fortran.
ComponentArt SOA.UI for .NET is a framework for building web services.
The original graphical user interface portion of the .NET framework.
Architected RAD tool.
Unlike many code generators, you can perform many actions with one line of code.