friendsite.com
blinklist.com
bloglines.com
bookmarks.ph
blogmarks.net
buzz.yahoo.com
clipmarks.com
citeulike.org
commontimes.org
connectedy.com
connotea.org
del.icio.us
de.lirio.us
digg.com
digimoe.com
dohat.com
dzone.com
faves.com
fark.com
feed.fastlanedaily.com
feedmelinks.com
forums.pligg.com
foundit.open.ac.uk
furl.net
givealink.org
highvibeit.com
jumptags.com
kaboodle.com
librarything.com
linkfilter.net
linkroll.com
lookmarks.com
ma.gnolia.com
mister-wong.de
mybloglog.com
mybookmarks.com
myweb2.search.yahoo.com
mixx.com
netvouz.com
networkmenus.co.uk
oyax.com
propeller.com
reddit.com
slashdot.org
simpy.com
sourceforge.net
spotback.com
stumbleupon.com
spurl.net
sync2it.com
tagza.com
technorati.com
urlex.info
voo2do.com
wazima.com
web-feeds.com
wists.com
wurldbook.com
yoono.com
http://sociallist.org/
grazie x la lista utile
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