OpenSource Alternative to TweetMeme written in C# MVC 3

I have just released the source code for postworthy.com which is written in C# using MVC 3 and the Razor View Engine. This project is mobile ready and all that is needed is to plug in your twitter api keys and run the tool. The project is compatible with Mono (the demo at postworthy.com is running on linux server with mono) and is mobile ready (visit the demo on your smart phone of choice).