Social bookmarking is very popular in education. From creating a set of resources to conduct research and share it with your students, social bookmarking can help you achieve better learning outcomes. Would you be interested in a list of 30 28 Free Social Bookmarking Tools?

31 Free Social Bookmarking Tools For Educators

Update: Based on Alex's and Diana's comments two more tools were added at the top of the list!

How to - Social Bookmarking in Plain English

  1. eLearning TagseLearning Tags is the 1st Free social bookmarking site where you can discover, share, vote and discuss interesting and remarkable eLearning and Educational Technology content! eLearning Tags offers helpful information on a number of topics concerning distance education including eLearning, Instructional Design, Gamification, Social Learning, MOOCs, mLearning and more. 
  2. SymbalooeduOrganize and Share the best of the web with your students. Organize teaching resources all in one place. Encourage student to student communications. Promote innovation while maintaining simplicity in teaching.
  3. PearltreesA place to collect, organize and share everything you like on the web. Add everything you like and organize it naturally. Enrich your collections and collaborate on your favorite topics. Discover millions of pearls to your interests.
  4. 19 pencilsDiscover resources for your PreK-12 students from teachers around the world. Save thumbnails of web resources to a class page for easy student access.
  5. A1-WebmarksA1-Webmarks is a free service that combines the convenience of a personal webmark server with the power of social webmarking.
  6. All my favoritesShare your internet bookmarks. AllMyFavorites is free for personal use.
  7. BibSonomyBibSonomy is a system for sharing bookmarks and lists of literature. Why dont you try it yourself? Collect, organise, and share bookmarks and publications.
  8. BookmarkGSave and share interesting sites and articles
  9. BuddymarksBuddyMarks.com has been called "The online personal, group and social bookmarks manager."
  10. DeliciousDiscover, remember, and showcase your passions from around the web.
  11. Diigo Education EditionDiigo is a powerful online research tool and collaborative research platform that integrates several key technologies, including social bookmarking, web annotation, tagging, and group-based collaboration, to enable a whole new process of online knowledge management and participatory learning in the 21st century.
  12. EdshelfReviews & recommendations of tools for education. edshelf is a directory of websites, mobile apps, and desktop programs that are rated & reviewed by parents & educators, for parents & educators. We help you find the right educational tools for your specific needs.
  13. EvernoteRemember everything. Save your ideas, things you like, things you hear, and things you see. Evernote works with nearly every computer, phone and mobile device out there. Search by keyword, tag or even printed and handwritten text inside images.
  14. GivealinkShare your bookmarks with the community and help others navigate the Web. Use the GiveALink visualization tool to visualize and organize your bookmarks.Play the GiveALink games to create social links across the Web.
  15. Historioushistorious saves you time by helping you find webpages you saw before. Bookmark sites with a single click, then find them again by searching for any word in the content of the page!
  16. ikeepbookmarks.comiKeepBookmarks.com allows you to upload, and keep, your bookmarks on the web. You can access them at any time, from any computer... anywhere!
  17. Jog The WebJOG THE WEB is a web-based tool that allows anyone to create a synchronous guide to a series of web sites. Its step by step approach of taking viewers through web sites allowing the author to annotate and ask guiding questions for each page is unique.
  18. Learn FizzFind, organize and share the best free learning on the web.
  19. linkaGoGoThe free Online Favorites manager and Social Bookmarking application. Storing your Bookmarks (also known as Favorites, Anchors, Links or Hotlists) online. Your bookmarks are available on any computer with access to the Internet, protected by a password. So you can access them from everywhere, not only from home, but also from work, when you are visiting friends, when you are traveling etc.
  20. LivebinderCollect your resources. Organize them neatly and easily. Make an impression
  21. NetvibesEverything that matters to you, all in one dashboard. Netvibes is a personalized dashboard publishing platform for the Web and digital life aggregation.
  22. NetvouzNetvouz is a social bookmarking service that allows you to save your favorite links online and access them from any computer, wherever you are.
  23. PinboardSocial Bookmarking for Introverts. Pinboard is a fast, no-nonsense bookmarking site. No ads, no fluff.
  24. PinterestA content sharing service that allows members to "pin" images, videos and other objects to their pinboard.
  25. RedditUser-generated news links. Votes promote stories to the front page.
  26. Save ThisSave links to your favorite web pages from any site. Access your links from any computer or Web enabled wireless device. Organize your saved links into folders that you create. Share your saved links or folders with friends.
  27. SharetivityShare, Save and Search. Your social network enhances your search experience
  28. SmubSmub is the bookmarking, link-sharing & bookmark management tool for smartphones and any PC or Mac.
  29. StumbleuponStumbleUpon is the easiest way to find cool new websites, videos, photos and images from across the Web. We make the best recommendations just for you.
  30. TwoBrainsTwo Brains is an application that approaches the learning process in a different way. The application is built around goals, because in the end that's what you truly care about
  31. Vi.sualize.usBookmark the pictures you like around the web. Enjoy people's favorite images.

You may also find the following lists of tools useful: