Visual Studio 2010 is in the market for a little while. That sounds like no opensource alternative for .Net 4.0 until now. SharpDevelop 4.0 Beta 1 is released. I have tried that. So far, my first impression is slower. I guess that is because the UI is… more »

I found that actually you can develop iPhone app in C#. There is an application from Novell, MonoTouch. I read the documentations, it seems to be directly interface with the native iPhone OS. That sounds quite nice and it supports iPhone OS. Although it… more »