Forums in the Conspiracy Theory Niche

1. David Icke's Official Forums
Forum has 90,756 members.
http://www.davidicke.com/forum/  

2. Computer Science Forums
Computer Science Forums for Computer Science and Engineering (CSE), Data Structures and Algorithms, Programming Language Theory, Computations, Computer Systems, Computer Applications, Technology
https://computerscienceforums.com/  

3. Bogleheads
Forum has 7,097,202 posts.
http://www.bogleheads.org/forum/  

4. JMSNews Forums
vBulletin Forums
http://jmsnews.com/forums/  

5. S.O.S. Mathematics CyberBoard
Forum has 241,938 posts.
http://www.sosmath.com/CBB/  

6. Smeggy's Forum
Aug 2021 - Smeggy's Forum! Just a great online pub to hang out. Discuss anything from serious to down right silly! - #SmeggysForum -
http://smeggys.co.uk/  

7. Physics Forums | Science Articles, Homework Help, Discussion
Join the top physics and STEM forum community. Find experts debating the latest physics research. Request homework help for all sciences and math.
http://www.physicsforums.com/  

8. KVR: Forum Index
KVR Audio Forum - Forum - VST Plug-in, AU, AAX, Audio Software Discussion
https://www.kvraudio.com/forum/  

9. www.daniweb.com
Programming Forum - Our Programming forum category encompasses application development, web development, programming theory, and everything in between.
https://www.daniweb.com/programming/4  

10. EvaGeeks.org
,, discussion of neon genesis evangelion
https://forum.evageeks.org/index.php  

11. urban75 forums
urban75 discussion forums
http://www.urban75.net/forums/  

12. The Naked Scientists
The Naked Scientists science discussion forum, a free public science forum for asking and answering questions about science, technology and medicine, chemistry, physics and biology.
https://www.thenakedscientists.com/forum/  

13. Science Forums
ScienceForums.net: the world's premier science discussion forum. Many topics covered; for beginners to serious researchers.
https://www.scienceforums.net/  

14. Debate Politics
Forum has 6,165,842 posts.
http://www.debatepolitics.com/  

15. Shoptalkforums.com
Forum has 1,177,664 posts.
http://www.shoptalkforums.com/  

16. Fender Stratocaster Guitar Forum
The No. 1 Stratocaster discussion forum in the world
https://www.strat-talk.com/forums/  

17. Home Distiller
Forum has 894,478 posts.
https://homedistiller.org/forum/  

18. US Message Board - Political Discussion Forum
Forum has 288,358 topics.
http://www.usmessageboard.com/  

19. Zelda Universe Forums
Zelda Universe is the world's largest The Legend of Zelda fan community. We've also got news, walkthroughs, and guides, for all the Zelda info you need.
http://www.zeldauniverse.net/forums/  

20. The Science
Scientific Discussion and Debate
https://www.thescienceforum.com/  

21. www.dreamincode.net
https://www.dreamincode.net/forums/  

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

23. DroneBot Workshop Forums
Discussion board for Robotics, Arduino, Raspberry Pi and other DIY electronics and modules. Join us today!
https://forum.dronebotworkshop.com/  

24. Labor Law Talk
Forum Description
https://www.laborlawtalk.com/forum.php