Check out the sortable table and the top 100 here: http://crypt.la/2014/03/01/top-100-digital-currencies-by-social-media-presence/

Here are the top 10 coins based on Facebook, Reddit and Twitter followers:

1) Bitcoin
2) Dogecoin
3) Vertcoin
4) Litecoin
5) Cryptogenic Bullion
6) Pandacoin
7) Maxcoin
NXT
9) Fastcoin
10) Megacoin