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100 best social network sites
| 1. | Youtube | www.youtube.com | Worldwide video sharing |
| 2. | Windows Live Spaces | www.home.services.spaces.live.com | Microsoft |
| 3. | www.facebook.com | Worldwide | |
| 4. | MySpace | www.myspace.com | Worldwide |
| 5. | hi5 | www.hi5.com | General. Popular in Portugal, Cyprus, Romania, Thailand and Latin America |
| 6. | V Kontakte | www.vkontakte.ru | Russian social network. |
| 7. | WordPress | www.wordpress.com | Blogging |
| 8. | Flickr | www.flickr.com | Photo sharing, commenting, photography related networking, worldwide |
| 9. | Odnoklassniki.ru | www.odnoklassniki.ru | General. Popular in Russia |
| 10. | Skyrock | www.skyrock.com | Leading Social Network in French-speaking world |
| 11. | Friendster | www.friendster.com | General. Popular in Southeast Asian countries such as Thailand, Philippines and Singapore. Not popular in North America and Europe |
| 12. | Netlog | www.netlog.com | General. Popular in Europe. Formerly known as Facebox and Redbox |
| 13. | Mixi | www.mixi.jp | Japan |
| 14. | www.twitter.com | Micro-blogging, RSS, updates | |
| 15. | Tagged.com | www.tagged.com | General |
| 16. | Nasza-klasa.pl | www.nasza-klasa.pl | School, college and friends. Popular in Poland |
| 17. | Adult FriendFinder | www.adultfriendfinder.com | Adult |
| 18. | LiveJournal | www.livejournal.com | Blogging |
| 19. | Orkut | www.orkut.com | Owned by Google. Popular in Brazil, Paraguay and India. Gaining some popularity in the USA and Canada |
| 20. | Fotolog | www.fotolog.com | Photoblogging. Popular in South America and Spain |
| 21. | Bebo | www.bebo.com | General, Popular in the US, UK, Ireland, NZ and the Pacific Islands |
| 22. | DeviantART | www.deviantart.com | Art community |
| 23. | PerfSpot | www.perfspot.com | General with international focus and claim to largest media collection of social networks |
| 24. | gamespot.com | www.gamespot.com | Games/Gaming |
| 25. | StudiVZ | www.studivz.com | University students, mostly in the German-speaking countries |
| 26. | Maktoob.com | www.maktoob.com | Largest online Arabic community |
| 27. | Sonico.com | www.sonico.com | General. Popular in Latin America and Spanish and Portuguese speaking regions |
| 28. | Xiaonei | www.xiaonei.com | Significant site in China |
| 29. | Badoo | www.badoo.com | General, Popular in Europe |
| 30. | Multiply | www.multiply.com | Real world relationships |
| 31. | www.linkedin.com | Business | |
| 32. | imeem | www.imeem.com | Music, Video, Photos, Blogs |
| 33. | Ning | www.ning.com | Users create their own social websites and social networks. |
| 34. | Taringa! | www.taringa.net | |
| 35. | Tuenti.com | www.tuenti.com | General. Very Popular in Spain |
| 36. | Wamba | www.wamba.com | General |
| 37. | Last.fm | www.last.fm | Music |
| 38. | Match.com | www.match.com | Worldwide dating site |
| 39. | Xanga | www.xanga.com | Blogs and "metro" areas |
| 40. | Mynet.com | www.mynet.com | Popular in Turkey |
| 41. | Cyworld | www.cyworld.com | Primarily popular in South Korea |
| 42. | myYearbook | www.myyearbook.com | General |
| 43. | neopets.com | www.neopets.com | Games/Gaming |
| 44. | iWiW | www.iwiw.hu | Popular in Hungary |
| 45. | webkinz.com | www.webkinz.com | Games/Gaming |
| 46. | bharatstudent.com | www.bharatstudent.com | For Indian students |
| 47. | Gaia Online | www.gaiaonline.com | Anime and games |
| 48. | gaia.com | www.gaia.com | Goals |
| 49. | Classmates.com | www.classmates.com | School, college, work and the military |
| 50. | Cloob | www.cloob.com | General. Popular in Iran |
| 51. | Esnips | www.esnips.com | Share your passions |
| 52. | Yelp, Inc. | www.yelp.com | Local Business Review and Talk |
| 53. | blogcatalog.com | www.blogcatalog.com | Blogging |
| 54. | allrecipes.com/ | www.allrecipes.com | Cooking |
| 55. | stardoll.com | www.stardoll.com | Dolls for ages 9 - 17 |
| 56. | MyOpera | www.my.opera.com | |
| 57. | imvu.com | www.imvu.com | Games/Gaming |
| 58. | etsy.com | www.etsy.com | Shopping |
| 59. | Reunion.com | www.reunion.com | Locating friends and family, keeping in touch |
| 60. | woot.com | www.woot.com | Shopping |
| 61. | beta.citysearch.com | www.beta.citysearch.com | Things to do |
| 62. | BlackPlanet | www.blackplanet.com | African-Americans |
| 63. | Buzznet | www.buzznet.com | Music and pop-culture |
| 64. | Dada.net | www.dada.net | |
| 65. | Flixster | www.flixster.com | Movies |
| 66. | IRC-Galleria | www.irc-galleria.net | Finland |
| 67. | www.xing.com | Business (primarily Europe (Germany) and China) | |
| 68. | Meetup.com | www.meetup.com | General. Used to plan offline meetings for people interested in various activities |
| 69. | ibibo.com | www.ibibo.com | General |
| 70. | WAYN | www.wayn.com | Travel and lifestyle |
| 71. | Grono.net | www.grono.net | Poland |
| 72. | modelmayhem.com | www.modelmayhem.com | Fashion |
| 73. | kaboodle.com | www.kaboodle.com | Shopping |
| 74. | zazzle.com | www.zazzle.com | Shopping |
| 75. | zillow.com | www.zillow.com | Real Estate |
| 76. | Plaxo | www.plaxo.com | Business |
| 77. | Vox | www.vox.com | Blogging |
| 78. | SlideShare.net | www.slideshare.net | Powerpoint presentation sharing, publically and privately |
| 79. | fanpop.com | www.fanpop.com | General |
| 80. | Passion.com | www.Passion.com | Dating site |
| 81. | OkCupid | www.okcupid.com | Social networking and dating |
| 82. | okcupid.com | www.okcupid.com | Free dating site available in English, French and Portugese |
| 83. | xfire.com/ | www.xfire.com | Games/Gaming |
| 84. | recipezaar.com/ | www.recipezaar.com | Cooking |
| 85. | instructables.com | www.instructables.com | DIY |
| 86. | epinions.com | www.epinions.com | Reviews |
| 87. | myxer.com | www.myxer.com | Mobile |
| 88. | Stickam | www.stickam.com | Live video streaming and chat |
| 89. | stickam.com | www.stickam.com | General |
| 90. | meetic.com | www.meetic.com | Dating |
| 91. | fannation.com | www.fannation.com | Sports |
| 92. | Care2 | www.care2.com | Green living and social activism |
| 93. | MocoSpace | www.mocospace.com | mobile community, worldwide |
| 94. | Epicurious.com | www.epicurious.com | Food |
| 95. | trulia.com | www.trulia.com | Real Estate |
| 96. | Habbo | www.habbo.com | General. Over 31 communities worldwide. Chat Room and user profiles |
| 97. | teamsugar.com | www.teamsugar.com | Female |
| 98. | mate1.com | www.mate1.com | Dating site |
| 99. | hotornot.com | www.hotornot.com | Photos |
| 100. | 43Things | www.43things.com | Goal sharing |
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