Social bookmarking sites:

Code:

http://bookmarkingdir.com/

The list of the website shared is very useful thanks a lot for sharing it

Here's another list of social bookmarking sites:

Code:

http://buildmylink.com/dlist/bookmark.html 
http://www.blogmarketingtactics.com/social-bookmarking/social-bookmarking-top-links.html