Great News, PatchArena is back online!  The world's largest collection of user contributed patches for synthesizers and effects is now back online and can be found here: PatchArena - Downloads.

How it works:

You must be registered to access PatchArena - Downloads.  Users can also rate, vote, and place comments on all files.  Further discussions can be made on the PatchArena - Forums.     

Register: 

To get started register here: PatchArena - Register.  Once you are registered you can upload your patches, skins, and sounds, and start sharing them with your friends.