Forums in the Open Source Niche

1. ABestWeb Affiliate Marketing
Read through for news and resources on software development topics, including low-code-no-code, serverless computing and programming languages.
http://www.abestweb.com/forums/  

2. Mindless Self Indulgence
Maintenance Mode
http://www.mindlessselfindulgence.com/board/  

3. Joomla!
Joomla! Discussion Forums
https://forum.joomla.org/  

4. Chronicle Forums
Chronicle Forums - Index
http://chronicle.com/forums/  

5. Whitby Sea Anglers Forums
Whitby Sea Anglers Forums - Index
http://www.whitbyseaanglers.co.uk/forum/  

6. The Sewing Academy @ Home
The Sewing Academy @ Home - Index
http://www.thesewingacademy.org/  

7. West Coast Connection
West Coast Connection Forum - Index
http://www.dubcc.com/forum/  

8. Mens Tennis Forums
A forum community dedicated to male tennis players and enthusiasts. Talk about everything from the ATP, NSMTA, to college Tennis and even everything about equipment. It's all here!
http://www.menstennisforums.com/  

9. schoolofevolutionaryastrology.com
School of Evolutionary Astrology Message Board - Index
https://schoolofevolutionaryastrology.com/forum/  

10. DIYstompboxes.com
DIYstompboxes.com - Index
https://www.diystompboxes.com/smfforum/  

11. Java Forums at the Big Moose S
https://www.coderanch.com/forums/  

12. Daz 3D Forums
Daz 3D, 3D Models, 3D Animation, 3D Software
https://www.daz3d.com/forums/  

13. www.divorcesource.com
https://www.divorcesource.com/ubbthreads/  

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

15. Start Backpacking Travel
Use the backpacking forums to get answers for your next trip! Find travel jobs posted, writing opportunities, and more. See two excellent travel forums.
https://www.startbackpacking.com/forums/  

16. Forums Forums
Forums Forums - Off Topic Forum FUN
http://www.forumsforums.com/3_9/  

17. RunningForums.com
This website is for sale! runningforums.com is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here,...
http://www.runningforums.com/index.php  

18. Wilders Security Forums
Community Based Discussions about Online Privacy, Security and Data Protection
http://www.wilderssecurity.com/  

19. sternfannetwork.com -&nbs
sternfannetwork.com is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, sternfannetwork.com has it all....
http://www.sternfannetwork.com/xen/index.php?forum/  

20. Hip Hop Universe
Hip Hop Universe - Your forum source for Hip Hop Rap Music Scene, mixtape, dj ...
http://www.hiphop-universe.com/underground/  

21. Getbig Bodybuilding, Figure an
Getbig.com: American Bodybuilding, Fitness and Figure - Index
https://www.getbig.com/boards/  

22. TableTennisDaily
TableTennisDaily sharing Table Tennis content to the World. All the Latest Videos, World Tours, Articles, Discussion's, reviews and more!!
https://www.tabletennisdaily.co.uk/forum/forum.php  

23. Keeptouch Community Portal
Keeptouch Community Portal is an online community based in Singapore, offering a place for exchange of ideas and information in a wide range of topics in the form of forum discussions and Internet...
http://forums.keeptouch.net/  

24. www.islamicity.org
IslamiCity: Providing a comprehensive view of Islam and Muslims to cultivate peace, promote universal values, and dialogue among civilizations since 1995
https://www.islamicity.org/forum/default.asp  

25. chorus.fm
Chorus.fm is a curated music destination for those looking for something outside of the mainstream. News, reviews, forums, articles, and commentary. Founded by Jason Tate.
http://www.absolutepunk.net/forum.php  

26. AnandTech Forums: Technology, Hardware, Software, and Deals
Seeking answers? Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech.
http://forums.anandtech.com/  

27. CanadianGunNutz.com
Canadian firearms and guns news source. Canadian gun owners community. The largest free Canadian new and used firearms market place and classifieds.
https://www.canadiangunnutz.com/forum/forum.php  

28. UKCampsite.co.uk
UKCampsite.co.uk Camping and Caravanning Forums. The UK's largest and busiest forums for caravans and camping and motorhomes
https://www.ukcampsite.co.uk/chatter/  

29. CryptocurrencyTALK
Since 2013, CryptocurrencyTALK forum has been the source for advice on what crypto to mine, cryptocurrency technical details, new altcoin launch announcements, and advice from trusted members of...
https://cryptocurrencytalk.com/  

30. AppraisersForum.com
Real estate appraisers forum that is open to all. Discuss real estate appraisal on these real estate appraiser forums.
https://appraisersforum.com/forums/  

31. Open Photography Forums
Imaging to hold up a lantern to ourselves and the planet we’ve claimed dominion!
https://openphotographyforums.com/forums/  

32. Blue Traxx Forum
A forum community dedicated to Yamaha ATV owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, racing, maintenance, and more! Open to Banshees, Raptors,...
http://www.bluetraxx.com/forums/  

33. HardwareCentral Forums
Hardware Central Forums are your source for computer hardware discussions, with tips and tricks on buying, upgrading and maintaining your laptop, notebook and desktop PC or peripherals. Topics...
http://www.hardwarecentral.com/forum.php  

34. vibalt.com
Recent Discussions (1/1) - Kunena - Lithuanian (LT)
https://vibalt.com/lt/forum  

35. Honda-Acura.net
Forum has 1,137,398 topics.
https://www.honda-acura.net/forums/  

36. Overclockers UK Forums
Just missed out on a spot in the top 25.
http://forums.overclockers.co.uk/  

37. Steam Users' Forums
This is a discussion forum powered by vBulletin. To find out about vBulletin, go to http:www.vbulletin.com .
http://forums.steampowered.com/forums/  

38. MMA News
The official forum site of MMANews.com, Forums.MMANews.com is now BACK online after a down-time of over 8 days.All members of the MMANews.com forums at
http://www.mmanews.com/forums/  

39. Forums & Groups
https://www.democraticunderground.com/?com=forums  

40. VolleyBall
Volleyball Forum is a free Volleyball enthusiast forum. Discuss all aspects of Volleyball from AVP tour, International competition to Collegiate Volleyball. Registration is FREE!
http://www.volleyballforum.com/  

41. Rolex Forums
Rolex forum - Rolex discussion forum, Rolex news, Rolex features, Rolex gallery, Rolex resources, Rolex reviews, Rolex watches,Rolex sales,Tudor,Panerai,Omega
http://www.rolexforums.com/  

42. The Watch Forum
Welcome to the Watch forum where you can discuss modern and vintage watches with other collectors and enthusiasts or just let off steam in the more open forums.
https://thewatchforum.co.uk/  

43. EnviroLink Forum
Forum has 67,673 posts.
http://www.envirolink.org/forum/  

44. Active Low-Carber Forums
Support for Atkins diet, Protein Power, CAD, Zone, Dr. Bernstein, CKD and any other low-carb high-protein diet, all are welcome in our lowcarb discussion community message boards. Free, and open to...
https://forum.lowcarber.org/  

45. Sell & Trade Game Items | OSRS Gold | ELO
Sell & Trade 2007 RuneScape Gold, ELO Boosting, Rocket League of Legends, Runescape Private Server gold, Pokemon Go Accounts, FIFA coins, CS:GO keys, Diablo III Accounts.
http://www.sythe.org/  

46. SailingForums.com
One Design Sailing Community - Discuss sailboat racing, rigging, repair, rules, measuring, and class politics. Message Boards for Laser/ILCA, Sunfish, J/24, 470, Star, Hobie, C-14, and more.
http://sailingforums.com/  

47. DR1 Dominican Republic Forums
Forum has 1,274,298 posts.
http://www.dr1.com/forums/forum.php  

48. Forumosa
Taiwan's largest and most active Taiwan-oriented global online community in English
http://www.forumosa.com/taiwan/  

49. QRZ Forums
Ham Radio discussion groups
https://forums.qrz.com/index.php  

50. DSL Reports
ISP discussion forums, broadband news, information and community
https://www.dslreports.com/forums/all