Date [1] Global Alexa NaName DeDescscririptptioion/n/FoFocucuss launched Registered uusesers ReRegigiststraratitionon Page ranking September Academia.edu Social networking site for academics/researchersrs 211,000[2] Open 9,294[3] 2008 Advogato Free andand open source software developers 1999 13,575[4] Open 139,873[5] aNobii Books 2006 Open 11,992[6] aSmallWorld European jet set and social elite world-wide March 2004 550,000[7] Invite-only 5,978[8] AsianAvenue A social network for the Asian American community 1997 Open Athlinks Running, Swimming 2001 139,458[9] Open 75,362[10] Audimated.com Independent music 2010 Open 486,598[11] Avatars United Online games March 2008 Open 9,641,523[12] General, Meet new people, Popular in Europe and Open to people 18 Badoo 2006 86,000,000[13] 128128[14] Latin America and older Open to people 13 Bebo General July 2005 117,000,000[15] 2,148[16] and older August Open to people 16 Bigadda Indian Social Networking Site 3,000,000[17] 11,684[18] 2007 and older Open to people 18 Federated Media's's and older (13-18 Organization anann d communication portal for groups 34,047[19] BigTent parental permission encouraged) June 1, Requires Norwegian Biip.no Norwegian community 430,000[20] 65,176[21] 2005 phone number September BlackPlanet African-Americans 20,000,000[22] Open 2,350[23] 1, 1999 Anyone who wants to tell something about a stranger Open to people 13 Blauk 2010 937,454[24] or acquaintance. and older. November Blogster Blogging community 85,579[25] Open 23,485[26] 24, 2005 Bolt.com General 1996 Open 111,069[27] Buzznet Music and pop-culture 2005 10,000,000[28] Open 1,132[29] CafeMom Mothers December 1,250,000[30] Open to moms and 4,333[31] 2006 moms-to-be 17 Cake Financial Investing September Open 481,922[32] 2007 Care2 Green living and social activism 1998 9,961,947[33] Open 2,594[34] Not for profit providing free websites that connect Open to people 18 CaringBridge family and friends during a serious health event, care 9,500,000[36] 4,198[38] and older [37] and recovery.[35] Mobile social game network, Number 8 US mobile Open to people 14 Cellufun 2007 3,000,000[40] 46,773[41] website[39] and older Open to people 18 Classmates.com School, college, work and the military 1995 50,000,000[42] 2,961[44] and older [43] Cloob General. Popular in Iran Open 914[45] Worldwide network for making connections between CouchSurfing 1,560,459[46] Open 3,711[47] travelers and the local communities they visit. CozyCot East Asian and Southeast Asian women 2001 150,000[48] Open 3,711[49] Faith Based social network for Christian believers Cross.tv 2008 450,000[50] Open 30,741[51] from around the world Crunchyroll Anime and forums. Open 2,328[52] Cyworld General. Popular in South Korea. 24,000,000[53] Open 1,027[54] Photo-blogging site where users upload a photo every February DailyBooth Open 5,460[55] day 13, 2009 Medical & emotional support community - Physical November DailyStrength Open 22,054[56] health, Mental health, Support groups 4, 2007 Decayenne European and American social elite 2001 Invite-only 154,733[57] Social bookmarking allowing users to locate and save September delicious 8,822,921[58] Open 239[59] websites that match their own interests 2003 August 7, deviantART Art community 9,040,962[60] Open 126[61] 2000 People with disabilities (Amputee, cerebral palsy, MS, Disaboom Open 112,712[62] and other disabilities) Politic community, Social network, Internet radio Dol2day 40,200[63] Open 554,616[64] (German-speaking countries) DontStayIn Clubbing (primarily UK) Open 19,022[65] Draugiem.lv General (primarily LV, LT, HU) 2,600,466 [25] Invitation only 2,272[66] Chinese Web 2.0 website providing user review and recommendation services for movies, books, and douban music. It is also the largest online Chinese language 2005 46,850,000[67] Open 139[68] book, movie and music database and one of the largest online communities in China. Open, approval Elftown Community and wiki around Fantasy and sci-fi. 185,000[69] 17,681[70] needed Epernicus For research scientists Open 293,955[71] Open to people 13 Eons.com For baby boomers 27,320[72] and older Experience Project Life experiences Open 3,452[73] Exploroo Travel Social Networking. Open 209,868[74] February Open to people 13 Facebook General. 640,000,000+[75] 2[76] 2004 and older Invitation only to Faceparty General. Popular UK. 200,000[77] 28,760[78] people 18 and older Open to people 13 Faces.com British teens 120,665[79] and older Open to people "of Fetlife People who are into BDSM 500,000[80] [legal] age to see 5,513[81] adult content" FilmAffinity Movies and TV Series 2002 250,000[82] Open 3,916[83] FitFinder Anonymous UK Student Microblogging Website Open 322,113[84] Entrepreneural community targeted towards Open to university FledgeWing 1,793,990[85] worldwide university students students Open to people 13 Flixster Movies 2007 63,000,000[86] 1,018[87] and older [89] Open to people 13 33 Photo sharing, commenting, photography related February Flickr 32,000,000[88] and older (Yahoo! networking, worldwide 2004 Login) - Open to people 13 Focus.com Business to Business, worldwide 2005 850,000[90] 11,495[91] and older Open to people 16 Folkdirect General June 2010 80,000[92] 19,932[93] and older [94] Photo sharing, video hosting, photo contests, journals, 5,367 October Fotki forums, flexible privacy protection, friend's feed, audio 1,632,565 Open 1998 comments and unlimited custom design integration. - Fotolog Photoblogging. Popular in South America and Spain 20,000,000[95] Open 1,194[96] Foursquare Location based mobile social network 2,000,000[97] Open 4,539[98] Open to people 13 Friends Reunited UK based. School, college, work, sport and streets 19,000,000[99] 10,231[100] and older General. Popular in Southeast Asia. No longer popular Open to people 16 Friendster 2002 90,000,000[101] 979[102] in the western world and older. citation needed Frühstückstreff General July 2001 14,800[ ] Open 1,253,155[103] October Fubar dating, an "online bar" for 18 and older 1,200,000[104] Open to people 18+ 9,476[105] 2007 Anime and games. Popular in USA, Canada and Open to people 13 Gaia Online 23,523,663[106] 1,071[107] Europe. Moderately popular around Asia. and older September GamerDNA Computer and video games 310,000[108] Open 22,887[109] 21, 2006 Article, picture, and video sharing, as well as group Gather.com 465,000[110] Open 3,974[111] discussions Social network for LGBT community, Guide for May 16, Gays.com 100,000[112] Open, Global 74,664[113] LGBT bars, restaurants, clubs, shopping 2008 January 16, Geni.com Families, genealogy 15,000,000[114] Open 5,815[115] 2007 Fair play in Music - Social networking site for Invite only while in Gogoyoko 119,272[116] musicians and music lovers beta December Goodreads Library cataloging, book lovers Open 2,543[117] 2006 Social network with matchmaking and personality October Goodwizz 60,000[118][119] Open 214,214[120] games to find new contacts. Global, based in France. 2010 NA (Alexa only records data for Google Buzz General Open second-level domains) GovLoop for people in and around government citation needed Grono.net Poland 2,000,000[ ] Open 2,958[121] General for teens. Over 31 communities worldwide. Open to people 13 Habbo 200,000,000[122][123][124] 6,545[125] Chat Room and user profiles. and older General. Popular in India, Mongolia, Thailand, Open to people 13 hi5 Romania, Jamaica, Central Africa, Portugal and Latin 2003 80,000,000[126] 265[127] and older. America. Not very popular in the USA. Hospitality Club Hospitality 328,629[128] Open 38,258[129] Geo-Social Aggregator rooted in the concept of Hotlist 80,000[130] Open 28,241[131] knowing where your friends are, were, and will be. Social networking site for Human Resources HR.com 1999 194,000[132] Open 60,048[133] professionals November Hub Culture Global influencers focused on worth creation 20,000[134] Invite-only 515,308[135] 2002 Hyves General, Most popular in the Netherlands. 10,097,000[136] Open 225[137] Talent based social networking site that allows to Ibibo promote one's self and also discover new talent. Most 3,500,000[138] Open 695[139] popular in India. Twitter-like service popular with hackers and software citation needed Identi.ca 395,695[ ] Open 3,822[140] freedom advocates. Online collaboration for musicians, remix contests, Indaba Music 350,000[141] Open, Global 55,062[142] and networking. Open to Finnish IRC-Galleria Finland 505,000[143] speaking people 12 3,302[144] and older italki.com Language learning social network. 100+ languages. 500,000[145] Open, Global 29,939[146] InterNations International community Invite-only 25,604[147] Mobile community worldwide, blogging, friends, Itsmy 2,500,000[148] 206,437[149] personal TV-shows iWiW Hungary 4,000,000[150] Invite-only 532[151] February Open to people 13 Jaiku General. Microblogging. Owned by Google 15,661[152] 2006 and older November kaioo General, nonprofit 30,000[153] 386,200[154] 2007 General. In Simplified Chinese; caters for mainland Open to the General K aixin001 61[155] China users Public General. For the users, by the users, a social network Open to people 13 K iwibox 1999 2,400,000[156] 104,563[157] that is more than a community.