Shadowrun Awakened is a MMORPG that is currentl under development.
Check out this site for more infromation.
Shadowrun4 is the website for Shadowrun RPG. The site that is in charge of
everything Shadowrun.
Shadowrun Online is the biggest Shadowrun Play by Post site on the internet.
It has lots of players and a lot of GM's. If you can't find a game here, you can always run one.
There are so many links for Shadowrun, I can't place them all here. Here are a few of the better ones.