Digg, Delicious, Stumbleupon, Reddit are best and thanks for listing bookmarkingsites.

There are lot of Social Booking Marking Sites. Here is some of list. and i also use these sites.
Plurk
Delicious
Reddit
Diigo
Folkd
Url.org
Stumbleupon
Scoop it
Pinterest
Twitter
Tumblr
Slashdot
Myspace
Youmob

hello friends this is so informative post on this site thanks for all share anyway i share the some top site ing google high pr site
Pinterest.com

lots of sharing :)

There is Complete Dofollow social bookmarking sites list 2015.
Visit our site. link is in signature.

SB Sites
 

Hello,
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eddit.com/
delicious.com/
stumbleupon.com/
delicious.com
bibsonomy.org/
diigo.com

Some bookmarking site is good, apart from this you should check their DA and PA too, then do bookmarking, but not too much.

Some important Social Bookmarking Sites were,
folkd.com
delicious.com
diggo.com
reddit.com
blinklist.com
newsvine.com
evernote.com

Thanks for the info

Thanks for sharing information.

delicious.com/
stumbleupon.com/
delicious.com
bibsonomy.org/
diigo.com

You get a list of bookmarking sites from webipro.com and vmoptioms.com they both contain bookmarking sites with high PR.

Thanks for the list.

Digg, StumbleUpon, Delicious are high PR social bookmarking sites.