I have modified an existing VS plugin to work as a stand alone application. This way newer VS versions are supported with the drawback that source files have to be manually added and removed from your Codeforces Project.

You can find the binaries here and source code here.

Hello,

I have modified the c++ plugin for visual studio so that it can be used for c#.

You can find the binaries here and source code here.

These links are now broken see: http://codeforces.net/blog/entry/51424

Thanks to 000golabi for the original

Have fun!