Top bookmarking

# Digg
It combines social bookmarking, blogging, and syndication with a form of non-hierarchical, democratic editorial control and the most popular and the best social bookmarking site on web.

# Stumbleupon
A web browser plugin that allows its users to rate the webpages, photos, videos, and news articles from web.

# Del.icio.us
The site was founded by Joshua Schachter in late 2003 and acquired by Yahoo! in 2005 and have the biggest amount of website bookmarks.

# Propeller
Propeller.com is a social news portal of the AOL Network owned and operated by AOL LLC, a Time-Warner company.

# Reddit
Ultimate social bookmarking experience. A great social news site.

# Mybloglog
Again a Yahoo! service

# Zimbio
Members can build wikizines - interactive magazines that anyone can create or edit - with coverage of current events, cultural reference points, and niche areas of interest.

# Indianpad
A user edited bookmark of news stories related to South Asia.

# Sphinn
A Social site dedicated to online marketing, Internet marketers and SEO.

# Searchles
Recently, Searchles has begun to add more social networking features to their community-based search, differentiating itself from other similar companies such as del.icio.us, Digg, etc.

# Plime
A pliable tree of interesting links, cultivated and pruned by everyone.

# Mixx
Another great social bookmarking site with all categories.

# Furl
Furl (File Uniform Resource Locators) is a free social bookmarking website that allows members to store searchable copies of webpages and share them with others.

# Sk-rt
A social media platform to submit your cool and best web stuff.

# BlogMarks
BlogMarks is an open and free technology to submit your favourite URLs.

# PlugIm
Really a good source for submitting stories.
# Mybookmarks
Offering a fast and easy way for web surfers to store their favorite sites online.
# Mister-Wong
Europe's largest social bookmarking portal with over 4 million visitors / month, founded by Kai Tietjen in March 2006 and available in Russian, Chinese, Spanish, and French.
# Rambhai
An India-centric link/news sharing website.