Check out the bottom of the page...in reference to 3spots

Here are over 200 services that can bookmark and share! This without counting the +250 digg clones!
What's so great about SOCIAL bookmarks is that it creates a people powered search engine. Even if you don't use these services to bookmark you can use these for searching, the more a web page is bookmarked the more popular!

Used on some Blogsites to assist folks in posting to their favorite Social Bookmarking site such as delicious, fark, magnolia, and PennTags!

Really well, reviewed in TechCrunch, this is a new, open source social bookmarking tool. Apparently, it allows you to upload and bookmark all kinds of files.

 

Google Notebook makes web research of all kinds – from planning a vacation to researching a school paper to buying a car – easier and more efficient by enabling you to clip and gather information even while you're browsing the web.

And since Google Notebook lives in your browser, you won't be left with a scattered collection of notes, Word docs, and browser bookmarks to sort through; all your web findings will be gathering into one organized, easy accessible location that you can access from any computer.

Instructions on how to import from delicious to Magnolia.