Name
|
Description/Focus
|
Date launched
|
Registered users
|
Registration
|
Global Alexa Page ranking
|
Avaaz
|
Global community and political activism
|
2007
|
69,000,000
|
Open
|
N/A
|
Bebo
|
General
|
2005
|
117,000,000
|
Open to people 13 and older
|
4,169
|
BlackPlanet
|
Black Americans
|
1999
|
20,000,000
|
Open
|
7,193
|
Blind
|
Employees
|
2013
|
2,000,000
|
Open with verified work email
|
43,680
|
Busuu
|
Language learning community (headquartered in Madrid, Spain)
|
2008
|
12,000,000[citation needed]
|
Open
|
8,049
|
Buzznet
|
Music and pop-culture
|
2005
|
10,000,000
|
Open
|
6,955
|
CafeMom
|
Mothers
|
2006
|
1,250,000
|
Open to moms and moms-to-be
|
1,293
|
Care2
|
Green living, social activism, animal rights
|
1998
|
9,961,947
|
Open
|
1,930
|
CaringBridge
|
Not for profit providing free websites that connect family and friends during a serious health event, care and recovery.
|
1997
|
9,500,000
|
Open to people 18 and older
|
4,279
|
Classmates.com
|
School, college, work and the military
|
1995
|
50,000,000
|
Open to people 18 and older
|
3,284
|
CouchSurfing
|
Worldwide network for making connections between travelers and the communities they visit.
|
2003
|
18,000,000
|
Open
|
2,231
|
Cyworld
|
General. Popular in South Korea.
|
1999
|
24,000,000
|
Open
|
1,616
|
delicious
|
Social bookmarking allowing users to locate and save websites that match their own interests.
|
2003
|
8,822,921
|
Open
|
436
|
DeviantArt
|
Art community
|
2000
|
22,000,000
|
Open to people 13 and older
|
131
|
Duolingo
|
Language learning community and forums
|
2011[citation needed]
|
500,000,000
|
Open to all ages. Forums open to people 13 and older
|
547
|
Draugiem.lv
|
General (primarily LV, LT, HU)
|
2004
|
2,600,466
|
Invitation only
|
2,698
|
douban
|
Chinese Web 2.0 website providing user review and recommendation services for movies, books, and music.
|
2005
|
46,850,000
|
Open
|
106
|
DXY.cn
|
Chinese online community for physicians, health care professionals, pharmacies and facilities
|
2000[citation needed]
|
2,000,000
|
Open
|
8,367
|
Edmodo
|
Social learning network for schools
|
2008
|
50,000,000+
|
Open to students, teachers and parents
|
2,367
|
English, baby!
|
Students and teachers of English as a second language
|
2000
|
1,600,000
|
Open
|
29,585
|
Open
|
N/A
|
Facebook
|
General: Photos, Videos, Blogs, Apps.
|
2004
|
2.8×10^9
|
Open to people 13 and older
|
3
|
Fetlife
|
People who are into BDSM
|
2008
|
1,200,000
|
Open to people "of legal age to see adult content"
|
4,131
|
Fishbrain
|
Mobile Social network, Fishing
|
2010
|
2,200,000
|
Open
|
436,164
|
Flixster
|
Movies
|
2007
|
63,000,000
|
Open to people 13 and older
|
4,012
|
Flickr
|
Photo sharing, commenting, photography related networking, worldwide
|
2004
|
32,000,000
|
Open
|
48
|
Fotki
|
Photo sharing, video hosting, photo contests, journals, forums, flexible privacy protection, friend's feed, audio comments and unlimited custom design integration.
|
1998
|
1,632,565
|
Open
|
8,011
|
Fotolog
|
Photoblogging. Popular in South America and Spain
|
2002
|
20,000,000
|
Open
|
3,168
|
Foursquare
|
Location-based mobile social network
|
2009
|
20,000,000
|
Open
|
817
|
Friendster
|
General. Popular in Southeast Asia. No longer popular in the western world
|
2002
|
90,000,000
|
Open to people 16 and older.
|
12,167
|
Gaia Online
|
Anime and games. Popular in US, Canada and Europe. Moderately popular around Asia.
|
2003
|
23,523,663
|
Open to people 13 and older
|
6,277
|
Geni.com
|
Families, genealogy
|
2007
|
15,000,000
|
Open
|
5,958
|
GetGlue
|
Social network for entertainment
|
2008
|
2,000,000
|
Open
|
3,735
|
Goodreads
|
Library cataloging, book lovers
|
2006
|
90,000,000
|
Open
|
327
|
GrabCAD
|
GrabCAD Community is the largest online CAD library, design and 3D printing tutorials, and a network of additive professionals
|
2009
|
11,000,000
|
Open
|
N/A
|
Habbo
|
General for teens. Over 31 communities worldwide. Chat room and user profiles.
|
2000
|
268,000,000
|
Open to people 13 and older
|
15,255
|
hi5
|
General. Popular in Nepal, Mongolia, Thailand, Romania, Jamaica, Central Africa, Portugal and Latin America. Not very popular in the U.S.
|
2003
|
80,000,000
|
Open to people 13 and older.
|
902
|
Hyves
|
General, mostly popular in the Netherlands.
|
2004
|
10,097,000
|
Open
|
2,243
|
Instagram
|
General.
|
2010
|
2×10^9
|
Open
|
38
|
Itsmy
|
Mobile community worldwide, blogging, friends, personal TV-shows
|
2008
|
2,500,000
|
|
770,100
|
iWiW
|
Hungary
|
2002
|
4,000,000
|
Invite-only
|
3,831
|
Jiepang
|
Location-based mobile social network. In Chinese language
|
2010
|
3,000,000
|
Open
|
14,790
|
Kiwibox
|
General.
|
1999
|
2,400,000
|
Open to people 13 and older
|
104,563
|
Kobo
|
Reading platform and social network
|
2009
|
14,500,000
|
Open
|
7,277
|
Koofers
|
Social studying network for college students
|
2008
|
1,000,000
|
Open
|
97,090
|
Last.fm
|
Music
|
2002
|
30,000,000
|
Open
|
772
|
LibraryThing
|
Book lovers
|
2005
|
1,300,000
|
Open to people 13 and older
|
10,800
|
LinguaLeo
|
Online English language learning website. Popular among the Russian-speaking diaspora.
|
2010
|
3,749,061
|
Open
|
7,480
|
LinkedIn
|
Business and professional networking
|
2003
|
774,000,000
|
Open to people 18 and older
|
12
|
LiveJournal
|
Blogging. Popular in Russia and among the Russian-speaking diaspora abroad.
|
1999
|
17,564,977
|
Open (OpenID)
|
115
|
Livemocha
|
Online language learning
|
2007
|
5,000,000
|
Open
|
4,100
|
Mastodon
|
An open-source, self-hosted and globally interconnected microblogging community
|
2016
|
8,700,000
|
Open, depends on the instance
|
NA
|
mixi
|
Japan
|
2000
|
24,323,160
|
Open
|
232
|
Miiverse
|
Social Network for Nintendo's Wii U home console and 3DS handheld family where users can post about games and ask for help on a particular game.
|
2012
|
4,500,000
|
Nintendo Network Members Only.
|
NA
|
MocoSpace
|
mobile community, worldwide
|
2005
|
3,000,000
|
Open to people 14 and older
|
9,882
|
MyHeritage
|
family-oriented social network service
|
2003
|
30,000,000
|
Open
|
3,756
|
MyLife
|
Locating friends and family, keeping in touch (formerly Reunion.com)
|
2002
|
51,000,000
|
Open
|
1,765
|
Myspace
|
General
|
2003
|
30,000,000+
|
Open to ages 13 and older.
|
161
|
Nasza-klasa.pl
|
School, college and friends. Popular in Poland
|
2006
|
11,000,000
|
Open
|
75,145
|
Netlog
|
General. Popular in Europe, Turkey, the Arab World and Canada's Québec province. Formerly known as Facebox, Bingbox and Redbox.
|
1999
|
95,000,000
|
Open to people 13 and older
|
2,621
|
Nexopia
|
Canada
|
2003
|
1,400,000
|
Open to people 13 and older
|
25,241
|
Odnoklassniki
|
Connect with old classmates. Popular in Russia and former Soviet republics
|
2006
|
45,000,000
|
Open
|
65
|
Open Diary
|
First online blogging community, founded in 1998
|
1998
|
5,000,000
|
Open to people 13 and older
|
28,134
|
Plaxo
|
Aggregator
|
2002
|
50,000,000
|
Open
|
5,310
|
Ravelry
|
Knitting and crochet
|
2007
|
6,700,000
|
Open
|
5,189
|
Reddit
|
Social news, link sharing and commenting
|
2005
|
50,000,000
|
Open
|
8
|
Renren
|
Significant site in China. Was known as 校内 (Xiaonei) until August 2009.
|
2005
|
160,000,000
|
Open
|
95
|
Sina Weibo
|
Social microblogging site in Mainland China.
|
2009
|
300,000,000
|
Open
|
28
|
Skyrock
|
Social Network in French-speaking world
|
2002
|
22,000,000
|
Open
|
710
|
Sonico.com
|
General. Popular in Latin America and Spanish and Portuguese speaking regions.
|
2007
|
50,000,000
|
Open to people 13 and older
|
2,676
|
SoundCloud
|
Repository of original music pieces and networking.
|
2008
|
10,000,000
|
Open
|
299
|
Stack Overflow
|
Question and answer knowledge market site for programmers.
|
2008
|
16,000,000
|
Open to people 13 and older
|
41
|
Steemit
|
Blockchain based social networking.
|
2016
|
1,300,000
|
Open
|
5,577
|
StudiVZ
|
University students, mostly in the German-speaking countries. School students and those out of education sign up via its partner sites schülerVZ and meinVZ.
|
2005
|
17,000,000
|
|
N/A
|
Tagged
|
General.
|
2004
|
100,000,000
|
Open
|
288
|
Taringa!
|
General (primarily Argentina)
|
2004
|
11,000,000
|
Open to people 13 and older
|
214
|
TravBuddy.com
|
Travel
|
2005
|
1,588,000
|
Open to people 18 and older
|
21,523
|
Twitter
|
General. Micro-blogging, RSS, updates
|
2006
|
330,000,000
|
Open to all ages
|
12
|
Tylted
|
Mobile social game network
|
2007
|
3,000,000
|
Open to people 14 and older
|
737,508
|
Vkontakte
|
General, including music upload, listening and search. Popular in Russia and former Soviet republics.
|
2006
|
208,833,674
|
Open
|
38
|
Vampirefreaks.com
|
Gothic and industrial subculture
|
1999
|
1,931,049
|
Open to users 13 and over
|
21,052
|
Viadeo
|
Global Social Networking and Campus Networking available in English, French, German, Spanish, Italian and Portuguese
|
2004
|
35,000,000
|
Open/lift
|
435
|
WAYN
|
Travel and lifestyle
|
2003
|
10,000,000
|
Open to people 18 and older
|
1,367
|
We Heart It
|
Image-based social network
|
2008
|
25,000,000
|
Open to ages 13 and older.
|
823
|
WeeWorld
|
Teenagers - 10 to 17
|
2000
|
30,000,000
|
Open to ages 13 and older.
|
18,317
|
Xanga
|
Blogs and "metro" areas
|
1999
|
27,000,000
|
Open
|
3,943
|
XING
|
Business (primarily Europe (Germany, Austria, Switzerland))
|
2003
|
11,100,000
|
Open
|
270
|