Skip to main content

Highlight and Share the Web!

Diigo is a powerful research tool and a knowledge-sharing community

Research and Collaborate

  • Don't just bookmark! Highlight the web! Add sticky notes too!
  • Access and search your findings from any PC or iPhone!
  • Create groups to pool resources for specific projects.

Connect and Discover

  • You are what you annotate, creating a presence for you in the community.
  • Connect with friends effortlessly and non-intrusively through content.
  • Discover quality resources on any subject or get personalized recommendations.
  • Learn More »
Play Demo Video
with Diigo

Reading is more fun with friends,
more productive with Diigo...

Join now for a free account

Already have a Diigo or openid account?
Sign in now!

Educator Accounts
A free premium account especially designed for educators. Learn More »

Active Users

Mark   Maggie Tsai Mah Saito Richard Hemmer liveinfreedom . fred first Liz Davis Alain Antone de Villamil Frédéric Ivan Pavlov Cherice Montgomery Darren Draper Jonathan Bailey Howard Keziah Kanak Kalburgi Elena LaVictoire Gary Edwards Jean Thorpe Ben Bashford Shaun Fletcher

Hot Tags

  • 312797 bookmarks are tagged with blog,
  • 271845 bookmarks are tagged with design,
  • 37435 bookmarks are tagged with fashion,
  • 43242 bookmarks are tagged with html,
  • 305069 bookmarks are tagged with web,
  • 81672 bookmarks are tagged with opensource,
  • 330818 bookmarks are tagged with tools,
  • 76506 bookmarks are tagged with ajax,
  • 70354 bookmarks are tagged with java,
  • 107301 bookmarks are tagged with tutorial,
  • 170859 bookmarks are tagged with travel,
  • 68145 bookmarks are tagged with game,
  • 116598 bookmarks are tagged with politics,
  • 75881 bookmarks are tagged with community,
  • 41778 bookmarks are tagged with magazine,
  • 48632 bookmarks are tagged with review,
  • 261422 bookmarks are tagged with video,
  • 30070 bookmarks are tagged with storage,
  • 115902 bookmarks are tagged with css,
  • 37502 bookmarks are tagged with hosting,
  • 17156 bookmarks are tagged with mail,
  • 133959 bookmarks are tagged with computer,
  • 89756 bookmarks are tagged with entertainment,
  • 107202 bookmarks are tagged with mac,
  • 29866 bookmarks are tagged with forum,
  • 159848 bookmarks are tagged with shopping,
  • 28087 bookmarks are tagged with e-learning,
  • 57931 bookmarks are tagged with humor,
  • 54746 bookmarks are tagged with sports,
  • 48609 bookmarks are tagged with hardware,
  • 314087 bookmarks are tagged with web2.0,
  • 141879 bookmarks are tagged with linux,
  • 353345 bookmarks are tagged with software,
  • 225913 bookmarks are tagged with internet,
  • 66822 bookmarks are tagged with book,
  • 94536 bookmarks are tagged with security,
  • 66927 bookmarks are tagged with collaboration,
  • 279361 bookmarks are tagged with education,
  • 279104 bookmarks are tagged with online,
  • 73778 bookmarks are tagged with tutorials,
  • 114884 bookmarks are tagged with social,
  • 45406 bookmarks are tagged with network,
  • 78215 bookmarks are tagged with tech,
  • 138759 bookmarks are tagged with research,
  • 78077 bookmarks are tagged with photo,
  • 73046 bookmarks are tagged with mobile,
  • 59626 bookmarks are tagged with microsoft,
  • 43856 bookmarks are tagged with website,
  • 80438 bookmarks are tagged with flash,
  • 2899 bookmarks are tagged with annotation,
  • 221213 bookmarks are tagged with technology,
  • 59762 bookmarks are tagged with php,
  • 65875 bookmarks are tagged with quickd,
  • 139542 bookmarks are tagged with webdesign,
  • 35330 bookmarks are tagged with networking,
  • 54228 bookmarks are tagged with library,
  • 43879 bookmarks are tagged with maps,
  • 78924 bookmarks are tagged with blogging,
  • 37892 bookmarks are tagged with podcast,
  • 65566 bookmarks are tagged with culture,
  • 50906 bookmarks are tagged with youtube,
  • 38446 bookmarks are tagged with guide,
  • 107220 bookmarks are tagged with windows,
  • 169655 bookmarks are tagged with google,
  • 193767 bookmarks are tagged with search,
  • 83625 bookmarks are tagged with wiki,
  • 56963 bookmarks are tagged with graphics,
  • 121759 bookmarks are tagged with howto,
  • 155869 bookmarks are tagged with programming,
  • 194189 bookmarks are tagged with health,
  • 63826 bookmarks are tagged with mp3,
  • 43156 bookmarks are tagged with flickr,
  • 59526 bookmarks are tagged with article,
  • 90049 bookmarks are tagged with javascript,
  • 77427 bookmarks are tagged with writing,
  • 20232 bookmarks are tagged with calendar,
  • 77279 bookmarks are tagged with audio,
  • 69964 bookmarks are tagged with tv,
  • 104612 bookmarks are tagged with download,
  • 164083 bookmarks are tagged with science,
  • 123080 bookmarks are tagged with photography,
  • 69943 bookmarks are tagged with wordpress,
  • 40513 bookmarks are tagged with services,
  • 86741 bookmarks are tagged with food,
  • 83478 bookmarks are tagged with learning,
  • 73884 bookmarks are tagged with photos,
  • 133481 bookmarks are tagged with resources,
  • 56417 bookmarks are tagged with productivity,
  • 1907 bookmarks are tagged with techcrunch,
  • 44928 bookmarks are tagged with recipes,
  • 38972 bookmarks are tagged with ipod,
  • 8884 bookmarks are tagged with election,
  • 26321 bookmarks are tagged with diet,
  • 7358 bookmarks are tagged with lifehacker,
  • 51692 bookmarks are tagged with inspiration

more»

Popular Sites

more »

Featured Lists

more»

Featured Groups

  • Diigo Community

    Share your review, tips, tricks, and ideas for ...

    Bookmarks: 660    Members: 785

  • Classic Arcades

    This is a group for users who collect and resto...

    Bookmarks: 2559    Members: 31

  • CSS Evangelist

    a collection of resources of all things CSS- I...

    Bookmarks: 714    Members: 313

  • OpenDocument

    A collection of comments and discussions concer...

    Bookmarks: 404    Members: 27

  • Web2.0

    discuss everything about Web2.0

    Bookmarks: 1877    Members: 843

  • The Apple Group

    This is the group for everything Apple. From Ma...

    Bookmarks: 1031    Members: 397

  • Genealogy Research Resources

    Share links to online research resources for fa...

    Bookmarks: 1686    Members: 112

  • K-12Librarians

    Bookmarks: 320    Members: 38

  • Twitter Freaks

    Share your Twitter resources here!

    ...

    Bookmarks: 2284    Members: 463

  • Sustainable Energy

    Resources on Sustainable Energy

    Bookmarks: 2344    Members: 94

more »