Forums in the Guest Post Niche

1. Buy Sell Guest Post Marketplace - Guest Blogging Forums
Forum software by XenForo
https://www.guestpostmarketplace.net/  

2. Cooking Junkies Forums
Cooking Junkies is a forum dedicated to cooking. Where you can post your favorite recipes, or find that one recipe you have been looking for, to make you a better cook.
http://www.cookingjunkies.com/  

3. Online Roleplaying
Roleplay Adventures Games is an online community dedicated primarily to text-based online roleplaying. In addition to the great variety of themes, we allow a lot of freedom in roleplaying gaming
https://role-player.net/forum/forum.php  

4. Bangkok Post Forum
Forum has 26,393 posts.
http://www.bangkokpost.com/forum/  

5. Myth-Weavers
Myth-Weavers is an online community that focuses on play by post gaming.
https://www.myth-weavers.com/forumhome.php  

6. THE CARS FORUM
Discuss Car Topics with Car Enthusiasts, Post Car Event Promotions and Show Off your New Car by Posting a Picture or YouTube Video. Join FREE Today
http://thecarsforum.com/forum/  

7. Defense
Global defence forum on topics for military aviation, air force, army, navy, missiles, defense technology, space and nuclear forces as well as post military pictures and videos. Discuss world...
http://www.defencetalk.com/forums/  

8. Trucknet UK
Britain's Biggest and Brightest forums for the Professional Driver
https://www.trucknetuk.com/phpBB/  

9. www.rpgcrossing.com
RPG Crossing is a 30,000+ member online community that focuses on play by post role playing games (PBP RPG) and features such systems as Dungeons and Dragons, Pathfinder, GURPS, d20 Modern,...
https://www.rpgcrossing.com/  

10. RPG Crossing Home
RPG Crossing is a 30,000+ member online community that focuses on play by post role playing games (PBP RPG) and features such systems as Dungeons and Dragons, Pathfinder, GURPS, d20 Modern,...
http://www.dndonlinegames.com/  

11. www.bonanzaboomers.com
Forum has 1,531,036 posts.
https://www.bonanzaboomers.com/forums/index.php  

12. FlyerTalk Forums
FlyerTalk is a living, growing community where frequent travelers around the world come to exchange knowledge and experiences about everything miles and points related.
https://www.flyertalk.com/forum/index.php  

13. HDB Flats, Condo & Room Fo
Forum has 4,744,104 topics.
http://www.sg-house.com/classifieds/  

14. Dance Mom Chat
A place for Dance Moms to talk and share information-Dance Moms-Introduce Yourself-Info and Questions-Training Opportunities-Dance Media-I'm using a fake name-Competition Dance Talk
https://www.tapatalk.com/groups/dancemomchat/  

15. Christian Guitar
A Christian Forum For Musicians
http://www.christianguitar.org/forums/  

16. Singletrack World Magazine
Visit the post for more.
https://singletrackworld.com/forum/  

17. Forum
Recipes, methods, tips and tricks to help you achieve greater self-sufficiency. Learn from other users and post your own ideas and techniques.
https://www.cottagesmallholder.com/forum/  

18. 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/  

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

20. ATG Vintage Watches
Meet and discuss interesting ‘non’ brand specific watches of the 20th Century and beyond. - Moderator Alistair Gibbons ATG
https://atgvintagewatches.com/  

21. SkyscraperPage
SkyscraperPage.com's discussion forum is one of the world's most active community discussion portals for skyscraper, urbanism and building enthusiasts. Featuring coverage of the world's projects,...
https://forum.skyscraperpage.com/  

22. skyscraperpage.com
SkyscraperPage.com's discussion forum is one of the world's most active community discussion portals for skyscraper, urbanism and building enthusiasts. Featuring coverage of the world's projects,...
https://skyscraperpage.com/forum/  

23. World Class Bodybuilding
Bodybuilding fitness forum dicussing bodybuilding, supplements, anabolic steroids, muscle building, nutrition, bodybuilding training, workouts, fat loss, and training fitness
http://www.worldclassbodybuilding.com/forums/  

24. HysterSisters Hysterectomy
Hysterectomy Support - Answers to your questions from diagnosis to treatment to surgery to recovery for fibroids, endometriosis, laparoscopic daVinci surgery and more.
http://www.hystersisters.com/vb2/  

25. Jinxworld Forums
We are a movie, comicbook and popculture messageboard. We are the home of some of the hottest writers and artists in the industry. This is not just a fan site it is run and presided over by the...
https://www.606studios.com/bendisboard/  

26. Scream And Fly Magazine
Scream And Fly High Performance Boating Online home page. Feature articles, reviews, event coverage, and the largest performance boating discussion forums in the world. Completely free Buy and...
https://www.screamandfly.com/  

27. R2IClubForums
Return To India
https://www.r2iclubforums.com/forums/  

28. BirdForum
A free and friendly birdwatching community with forum, gallery reviews and wiki. Meet other birders from around the world, post and view photographs of birds in the wild, and read and discuss...
http://www.birdforum.net/forum.php