List of defunct social networking websites
This is a list of defunct social network services.
This list is not exhaustive and is limited to notable websites that have Wikipedia articles.
| Name | Description/Focus | Launch Date | Dissolution Date |
| 360voice | Blog about what friends are doing every day on Xbox Live | April 17, 2006 | 2015 |
| 43 Things | Goal setting and achievement | January 1, 2005 | January 1, 2015 |
| Advogato | Free software and open source software developers | 2017 | |
| Amina – Chechen Republic Online | Chechen diaspora community | March 13, 1997 | Unknown |
| App.net | Microblogging | August 8, 2012 | Unknown |
| AsianAve | Asian Americans | Unknown | |
| Audimated | Independent music | Unknown | |
| Avatars United | Online games | March 2008 | September 2010 |
| Bebo | General | July 2005 | 2016 |
| Bolt | Teenagers | 1996 | April 2008 |
| Boredat | U.S. college students | 2006 | December 31, 2016 |
| Capazoo | Friends, write blogs, share music, photos, and videos | November 2006 | Unknown |
| Classical Lounge | Classical music lovers | August 16, 2006 | 2011 |
| DailyBooth | Daily photo uploads | February 2009 | December 2012 |
| Delicious | Web bookmarks | September 2003 | June 1, 2017 |
| Disaboom | People with disabilities | Unknown | |
| Dol2day | Politics in Germany | Unknown | |
| DontStayIn | Clubbing | Unknown | |
| eConozco | Spanish speaking professionals | 2003 | October 2007 |
| Eons.com | For baby boomers and ages 40+. | Unknown | |
| Essembly | Politics | Unknown | |
| Everloop | People under age 13 | February 2011 | 2014 |
| FaceGlat | Haredi Jews | 2011 | Unknown |
| Faves.com | Bookmarks | 2004 | January 2012 |
| FFFFOUND! | Image recommendations | 2007 | 2017 |
| FitFinder | Anonymous UK student microblogging | April 2010 | 2010 |
| Foodily.com | Recipes | February 1, 2011 | Unknown |
| Focus.com | Business professionals | 2005 | Unknown |
| Fotolog | Sharing photos | May 2002 | April 30, 2018 |
| FriendFeed | Feed aggregator | October 2, 2007 | April 10, 2015 |
| Friends Reunited | Reunions | June 2000 | February 26, 2016 |
| Friendster | Friends | March 22, 2003 | June 14, 2015 |
| GamerDNA | Computer and video games | Unknown | |
| Gather.com | Social, political and cultural topics | February 2005 | October 2015 |
| Gogoyoko | Musicians and music lovers. | Unknown | |
| Goodwizz | Matchmaking and personality games. Global, based in France. | Unknown | |
| Grono.net | Discussion forums, sharing photos, links to cultural events in particular cities, the sale of property and job searches. | February 11, 2004 | July 1, 2012 |
| Heello | Microblogging | August 2011 | June 24, 2014 |
| Hyves | Social | October 10, 2004 | December 1, 2013 |
| Itsmy | Mobile community worldwide, blogging, friends, personal TV-shows | 2010 | Unknown |
| iTunes Ping | Music-oriented | September 1, 2010 | September 30, 2012 |
| iWiW | Hungarian | April 14, 2002 | June 30, 2014 |
| Jaiku | Micro-blogging and lifestreaming service | February 2006 | January 15, 2012 |
| Jiepang | Location-based mobile. In Chinese. | Unknown | |
| JuiceCaster | Mobile app | 2006 | Unknown |
| JustGarciaHill.org | Minorities in biological sciences | Late 1990s | Unknown |
| Juvenation | People with type 1 diabetes | 2008 | Unknown |
| Keek | Upload video status updates, which were called "keeks" | July 2011 | October 31, 2016 |
| Kiwibox | Teenagers | 1999 | Unknown |
| Lifeknot | Shared interests, hobbies | 2003 | Unknown |
| Livemocha | Online language learning | 2007 | Unknown |
| LinkExpats | Expatriates in 100+ countries | 2007 | Unknown |
| LunarStorm | Swedish teenagers | 2000 | August 2010 |
| Makeoutclub | General | Unknown | |
| Meerkat | Broadcast live video streaming through mobile devices | February 2015 | October 4, 2016 |
| Meez | Chat rooms | March 28, 2006 | December 14, 2017 |
| MemeStreams | Memes | 2001 | Unknown |
| Mifren | Similar interests | November 2010 | Unknown |
| MiGente.com | Hispanics | 2000 | Unknown |
| Mivasocial | Africans | 2011 | Unknown |
| Mixx | Blogs | 2007 | Unknown |
| Multiply | Real world sharing | March 2004 | Unknown |
| Mulu | Product recommendations | September 2011 | Unknown |
| MyMFB | Muslims | May 2010 | Unknown |
| MyVetwork | Military veterans | 2008 | Unknown |
| Me2day | Microblogging in South Korea | February 2007 | June 30, 2014 |
| Mobli | Social mobile photo and video-sharing website | 2010 | 2016 |
| MOG | Music | Unknown | |
| Musical.ly | Social media video app for short lip-sync, comedy, and talent videos | August 2014 | August 2018 |
| Mugshot | Aggregator from Red Hat, with compatible desktop software and an official Firefox plugin | Unknown | Unknown |
| My Opera | Blogging, mobile blogging, photo sharing, connecting with friends, Opera Link and Opera Unite. | August 2001 | March 2014 |
| Naymz | Professional networking | January 2006 | Unknown |
| Netropolitan Club | Wealthy people | September 15, 2014 | November 2014 |
| Netlog | Belgian | 1999 | 2015 |
| Nettby | Norwegians | September 14, 2006 | December 2010 |
| Natter Social Network | micro-microblogging | November 2014 | July 29, 2016 |
| Orkut | First social networking service by Google | January 24, 2004 | September 30, 2014 |
| OUTeverywhere | Gay/LGBTQ community | 1995 | Unknown |
| Piczo | Blogging website for teens; bought by Posh Media Group | 2003 | November 2012 |
| Playfire | Computer and video games | Unknown | |
| Poolwo | India | Unknown | |
| Planet Cancer | Young adults with cancer | Unknown | Unknown |
| PlanetAll | Calendar and address site | November 1996 | July 2, 2000 |
| Poupéegirl | Japanese avatars | February 28, 2007 | March 31, 2015 |
| Posterous | Blogging platform | May 2008 | April 30, 2013 |
| Pownce | Microblogging application | June 27, 2007 | December 15, 2008 |
| Qaiku | Micro-blogging and live-streaming service comparable to Twitter and Jaiku | March 2009 | October 15, 2012 |
| Quechup | Friendship, dating | Unknown | |
| Raptr | Video games | Unknown | |
| Rentboy.com | Male sex workers | 1997 | Unknown |
| Rupture | Gamers | June 2006 | Unknown |
| ScuttlePad | Children aged 6–11 | August 2010 | Unknown |
| Snip.it | Articles, videos, and images | September 2011 | August 2014 |
| Spire | Personal accomplishments | April 2010 | Unknown |
| Shelfari | Books | Unknown | |
| Sixdegrees.com | Web of contacts | 1997 | 2000 |
| SkillPages | Skilled people | 2009 | December 2014 |
| So.cl | Millennials, made by Microsoft FUSE Labs. | December 2011 | March 2017 |
| SocialVibe | Charity | 2007 | Unknown |
| Spring.me | Meeting people | November 2009 | May 15, 2013 |
| Stickam | Live video streaming and chat. | February 2005 | January 30, 2013 |
| StockPickr | Stock picks | 2006 | Unknown |
| Streetlife | Location-based | Unknown | |
| Students Circle Network | Connected students, teachers and institutions to course resources and study groups. | Unknown | |
| StumbleUpon | Web pages, photos, and videos | November 2001 | June 30, 2018 |
| Surfbook | Netherlands | 1999 | 2004 |
| Talkbiznow | Business networking | 2008 | Unknown |
| Taltopia | Artists / fans / talent professionals | February 28, 2008 | 2014 |
| Teachstreet | Education | 2008 | Unknown |
| TravBuddy.com | Travel | Unknown | |
| tribe.net | Friends networks | Unknown | |
| Tsu | Message, photos | Unknown | |
| Vox | Blogging | March 2006 | September 30, 2010 |
| WeeWorld | Teenagers aged 9 to 17 | Unknown | |
| Windows Live Spaces | Blogging | 2004 | September 27, 2010 |
| Woo Media | Entertainment | 2007 | Unknown |
| Wretch | Taiwan | Unknown | December 2013 |
| Xt3 | Catholics; created for World Youth Day 2008 | Unknown | Unknown |
| Yahoo! 360° | Linked to Yahoo! IDs | March 16, 2005 | January 17, 2013 |
| Yahoo! Kickstart | Connecting students & Alumni | November 5, 2007 | 2008 |
| Yahoo! Mash | Linked to Yahoo! IDs. | September 2007 | September 28, 2008 |
| Yahoo! Meme | Microblogging site | August 2009 | May 25, 2012 |
| Yik Yak | Discussion threads with people within a 5-mile radius | 2013 | May 5, 2017 |
| Yookos | Photos, videos, blogs, games | Unknown | |
| Zoopy | Share videos, photos and audio clips | 2006 | 2012 |