Marco Tabini & Associates has released RemoteTunes. brings in the capability of sharing iTunes library locally, wirelessly, between computers and iPhones or iPads. Using RemoteTunes, you can Stream your iTunes library easily and securely through MobileMe between your Macs anywhere you have an Internet connection.
With RemoteTunes, your remote Mac behaves as if it’s on your home network, as far as iTunes is concerned. That way, even when you’re using your MacBook Air at the coffee shop, you can stream the new Rebecca Black EP from your iMac back home.
RemoteTunes costs $5, and requires Mac OS X 10.6.5 or higher, iTunes 10.1 or higher, a MobileMe subscription, and a high-speed Internet connection. You can try the software for free, though streaming sessions are limited to ten minutes.