I made my first foray into the Live Framework SDK today and thought I'd share. Warning - apply a fairly large pinch of salt in reading this because I'm stumbling around in the Live Framework SDK at this point just to try and get something working. I'm a long way away ( i.e. even further than usual ) from knowing what I'm doing with this SDK :-) Firstly, I'd say that you might want to start here; The What and Why of Live Framework to understand what Live Framework is trying to do. The Live Framework SDK is in a limited CTP at the moment so you can only get it if you can get access to it. The best page to start for this is here but that'll then lead you to the Connect site . Once you get access, you can download a few bits and pieces. The Live Framework SDK. This is just a zip file that you extract into the equivalent of c:\program files\Microsoft SDKs The Visual Studio Tools for Live Framework - I haven't got to the point of using these yet but my understanding is that they help in building Mesh enabled web applications...