the popurls network
signing in with any of the following IDs with popurls allows you to store your custom settings across all computers and offers you personalized features on the network. popurls will not bother you with a proprietary registration system.
sign in with openid
sign in with your google account
sign in with your windows live id
sign in with your facebook ID
sign in with your twitter ID
sign in with your Yahoo! ID
sign in with your AIM ID
sign in with your flickr account
sign in with your blogger ID