Forums in the Social Network Niche

1. Real Estate
The National Real Estate Forum is a Real Estate Social Network to exchange ideas about the Real Estate Industry
http://www.realestateforum.com/forum.php  

2. VRForums
Singapore Lifestyle Forum
http://forums.vr-zone.com/  

3. - Solia Online
Solia Online is a social avatar community that focuses on providing fun and inventive ways on the net to express oneself. With a strong Role Playing and Artist community, our forums are always active.
http://soliaonline.com/community/  

4. Automotive Forums .com
Forum has 1,030,183 topics.
http://www.automotiveforums.com/vbulletin/index.php  

5. DreamTeamMoney Internet Market
Dreamteammoney is a Webmaster, HYIP and Internet Marketing Forum where money makers meet and discuss about forex, hyip, social media, internet marketing, seo and webmaster related topics.
https://www.dreamteammoney.com/  

6. www.affilorama.com
Affilorama : The #1 Affiliate Marketing Forum with over 930,000 members that actively discuss all aspects of affiliate marketing and building a business online.
https://www.affilorama.com/forum/  

7. gendersociety.com
This is the forums home page. Social networking, support, resources and information for transsexuals, transvestites, crossdressers and transgender people everywhere.
https://gendersociety.com/forums  

8. MotorhomeFun | The Motorhome Support and Social Network
The Motorhome Support and Social Network
https://www.motorhomefun.co.uk/forum/  

9. Storm8 Community Forums
The official forum for Storm8! Come talk about your favorite games!
https://forums.storm8.com/forum.php  

10. International Web Developers N
The International Web Developers Network, free registration and resources for all website developers.
http://www.iwdn.net/  

11. UK Business Labs
UK Business Forums for networking, help, advice, marketing and promotion for small to medium sized businesses, entrepreneurs and Startups.
http://www.ukbusinesslabs.co.uk/forums/  

12. The Guns Network LLC
The Guns Network LLC ~ Discussion Forums
https://www.gunsnet.net/forum.php  

13. Forum
Forum has 2,483,171 posts.
http://www.animenewsnetwork.com/bbs/phpBB2/  

14. Webmasters, SEO, Internet Marketing & Digital Marketing Forum
WebmasterSun is the most popular webmaster and internet marketing forums. You will find more useful information and resource here!
https://www.webmastersun.com/forums/  

15. Soccer Fans Network Forums
Many people go football crazy over sports forums like this one.
http://forums.soccerfansnetwork.com/forum.php  

16. Siccness Network
#1 Source for Gangsta Rap!
http://siccness.net/vb/  

17. Arbtalk discussion forum for Arborists
https://arbtalk.co.uk/forums/  

18. YouTube Forum | The #1 YouTube Community | Video Editing, Branding & YouTube Help
YTtalk - YouTube forum community. Talk about video editing, youtube gossip, branding, promotion strategies, video projects and much more!
https://yttalk.com/  

19. Social Slimmers
Dieting and weight loss community offering a friendly environment in which to ask questions and get support regarding weight loss, dieting and fitness.
https://www.socialslimmers.com/  

20. PPRuNe Forums
The Professional Pilots Rumour Network (PPRuNe) is an aviation website dedicated to airline pilots and those who are considering a career as a commercial pilot.
https://www.pprune.org/  

21. Pet Forums Community
Pet forums, the UKs most popular pet owners community and social site for dogs, cats and all other pets. Meet other pet owners and receive help, advice and answers to all your pet questions and...
http://www.petforums.co.uk/  

22. Bogleheads
Forum has 124,094 members.
http://www.bogleheads.org/forum/  

23. Buy Sell Guest Post Marketplace - Guest Blogging Forums
Forum has 362 members.
https://www.guestpostmarketplace.net/  

24. Flying Solo
Small Business Forum for Australia: Flying Solo, Small Business Network & Community
http://www.flyingsolo.com.au/forums/  

25. Literature Network Forums
The largest classic literature discussion forum on the Internet. Read Write Teach Share.
https://www.online-literature.com/forums/forum.php  

26. ScubaBoard
All about Scuba diving, by divers for divers.
http://www.scubaboard.com/forums/forum.php  

27. SpeedGuide.net Broadband Commu
SG Broadband Community. Everything you'd like to know about Cable Modems, DSL, Satellite, Networking, Security, Wireless, Routers and more.
http://forums.speedguide.net/forum.php  

28. HFBoards - NHL Message Board and Forum for National Hockey League
HFboards is the largest ice hockey discussion forum, covering the NHL, College, Europe, and any other area of major hockey around the world. Over 36 million posts and growing.
http://hfboards.hockeysfuture.com/  

29. forum.earlyretirementextreme.com
Forum has 226,739 posts.
https://forum.earlyretirementextreme.com/index.php  

30. DroneVibes - Drones, UAV's, Multirotor, Professional, Aerial Photography, FPV, Drone Racing
Forum has 85,829 topics.
https://www.dronevibes.com/forums/  

31. Stereokiller.com
Hardcore, Metal, Emo, Screamo and Hip-Hop Music Message boards. Social networking and profiles.
https://www.stereokiller.com/boards/index.cfm  

32. www.westcoastwine.net
West Coast Wine Network
http://www.westcoastwine.net/ubbthreads/ubbthreads.php  

33. Vanguard News Network
This is an Uncensored forum for Whites. www.vnnforum.com
https://vnnforum.com/  

34. Student Doctor Network
A nonprofit community of pre-health and health professional students.
https://forums.studentdoctor.net/  

35. Tech Support Forums
TechIMO - Tech Support and Performance Advice
http://www.techimo.com/  

36. RealScam.com
This site is the home to discuss potential scams and good business opportunities.
https://www.realscam.com/  

37. Web Hosting Talk
Welcome to Web Hosting Talk. WHT is the largest, most influential web and cloud hosting community on the Internet. It is your main source for discussions and breaking news on all aspects of web...
https://www.webhostingtalk.com/  

38. Virtual Assistant Forums
Virtual Assistant Forums
http://www.virtualassistantforums.com/  

39. Console Video Gamer - Console Games Forum
Join us to discuss Xbox, Xbox One, Playstation 3, Playstation 4, WiiU and more at Console Video Gamer
https://www.consolevideogamer.com/  

40. www.go4expert.com
Forum has 97,250 posts.
https://www.go4expert.com/forums/  

41. Virtual Dr Forums-Computer Tec
This is a discussion forum for general computer PC help and troubleshooting
https://discussions.virtualdr.com/forum.php  

42. Networking/Security Forums
Share your knowledge & discuss all aspects of Computer & Internet Security via a worldwide community
http://forums.windowsecurity.com/  

43. Travel
Travel forum and particular forums where we keep discussions around holiday and tourism. Have the opportunity and setup your own social group or travel diary on tourismzone and tell the forum world...
http://www.tourismzone.com/  

44. Antionline Forums
AntiOnline Forums - Computer security community for internet safety and trusted networks
http://www.antionline.com/forum.php  

45. WarriorForum
Giving you what you need to take your internet and digital marketing to the next level since 1997. Join the community of 1+ million other marketers today.
http://www.warriorforum.com/  

46. The 1947
Community resources for all classic chevy and gmc pickup trucks
https://67-72chevytrucks.com/vboard/  

47. www.seomastering.com
Seo Forum, Search Engine Optimization - Website Promotion
https://www.seomastering.com/seo-forum/index.php  

48. American Preppers Network - Po
Forum has 35,555 members.
http://americanpreppersnetwork.net/  

49. The Fastlane Entrepreneur Forum
The Entrepreneur Discussion Forum
https://www.thefastlaneforum.com/community/  

50. AliExpress drop shipping forum – expert drop shipping community!
Welcome to AliExpress drop shipping forum, feel free to ask all your questions about drop shipping business, experts in our community will give you the best answers
https://forum.alidropship.com/