Forums in the Mobile App Development Niche

1. Microchip
https://www.microchip.com/forums/  

2. Tech Support Guy
Free computer help.
http://forums.techguy.org/  

3. Apolyton Civilization Site
Just missed out on a spot in the top 25.
https://apolyton.net/forum.php  

4. PetGroomer.com GroomerTALK and
Pet grooming forum for dog and cat groomers and mobile.
http://www.petgroomerforums.com/chat/forum.php  

5. Ubuntu Forums
A help and support forum for Ubuntu Linux.
http://ubuntuforums.org/  

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

7. PPCGeeks
PPCGeeks is a site for PPC owners with discussion, reviews, news, links, downloads, and much much more. We cover Windows Mobile, Android, Windows Phone 7, Blackberry, iOS, and tablets.
http://forum.ppcgeeks.com/  

8. 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  

9. Actualized.org Forum
A community of people interested in self-actualization, personal development, consciousness work, meditation, and enlightenment. Ask questions, share resources, get advice. Join for free.
https://www.actualized.org/forum/  

10. 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/  

11. www.hrbuzz.com.au
HR Buzz is a collaboration resource for Australian HR people.
https://www.hrbuzz.com.au/forum/  

12. The Admin Zone
Resources for Forum Administrators!
https://www.theadminzone.com/  

13. thepersonaldevelopmentforum.com
Learn about Wisdom, Happiness & Excellence. Life-improvement, Personal Growth and Self-help.
https://thepersonaldevelopmentforum.com/  

14. Site Owners Forums
Prime Web Development and Marketing forum!
https://siteownersforums.com/  

15. 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/  

16. RaGEZONE
Create your own MMO and MMORPG game server or find free MMORPG servers. Download the latest MMORPG server files or sell your game gold and mmorpg account. We also have programming tutorials ,...
https://forum.ragezone.com/  

17. Stargate SG-1 Roleplaying Game
https://stargatetherpg.com/forums/  

18. The PokéCommunity Forums
This is a Pokémon forum for Pokémon fans all over the world. Discussions include games, trading card game, strategies, TV series, movies, role play, fan fiction, and trivia
http://www.pokecommunity.com/  

19. Black Sea Studios Forums
Black Sea Studios forums
http://forums.blackseastudios.com/  

20. CodingForums.com
Web coding and development forums. Get help on JavaScript, PHP, CGI, CSS, XML, and more.
http://www.codingforums.com/  

21. Webmaster Forums
Webmaster forums offers help and resources in web development, website design, web hosting, search engine marketing, HTML, XML, Perl, Java, JavaScript,xhtml CSS, PHP, mySQL, SEO and web design
http://www.webmasterforums.com/  

22. Neowin
News, Reviews & Betas which includes large community peer support
https://www.neowin.net/forum/  

23. Muscular Development Forums
Forum Description
https://forums.musculardevelopment.com/forum  

24. VBForums
Visual Basic Discussions plus .NET, C#, game programming, and more (http://www.VBForums.com)
https://www.vbforums.com/forum.php  

25. kirupaForum
Got a web design/development question or just want to hang out with the most awesome people on the planet? Drop on in!
http://www.kirupa.com/forum/  

26. Games Dreams
Welcome to Games Dreams - Discussion forums for Facebook games, browsers games, MMO games, flash games, android games, iPhone iPad games, etc.
https://gamesdreams.com/  

27. 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  

28. ChiefTalk Forum
https://chieftalk.chiefarchitect.com/  

29. CodeGuru Forums
Hard hitting articles, dicussions, resources, and more all focusing for real developers in the real world.
https://forums.codeguru.com/index.php  

30. DJI Tello Drone Forum
DJI Ryze Tello Drone Help, Discussions and Community. If you fly the DJI Tello then you'll want to join TelloPilots.com to discuss the latest technologies and uses for the Tello drone.
https://tellopilots.com/  

31. Overclockers UK Forums
Overclockers UK Forum powered by Xenforo
http://forums.overclockers.co.uk/  

32. Whirlpool.net.au
https://forums.whirlpool.net.au/  

33. GSM-Forum
Forum has 9,000,409 posts.
https://forum.gsmhosting.com/vbb/  

34. 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/  

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

36. Geek/Talk Webmaster
Webmaster Forums @ geek/talk. Signature-free discourse for serious web publishers
https://www.geekvillage.com/forums/  

37. RPG Maker Forums
Forum has 147,382 members.
https://forums.rpgmakerweb.com/  

38. Home Theater Forum and Systems
Forum has 604,888 posts.
http://www.hometheatershack.com/forums/  

39. www.go4expert.com
Forum has 97,149 posts.
https://www.go4expert.com/forums/  

40. Overclock.net
A forum community dedicated to overclocking enthusiasts and testing the limits of computing. Come join the discussion about computing, builds, collections, displays, models, styles, scales,...
http://www.overclock.net/f/  

41. SysOpt Forums
This is a discussion forum for all aspects of computer systems optimization and customization
https://www.sysopt.com/forum.php  

42. BeerSmith Home Brewing Forum
BeerSmith discussion forum
https://www.beersmith.com/forum/index.php  

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

44. BattleOn Forums!
https://forums2.battleon.com/f/  

45. Newgrounds.com
https://www.newgrounds.com/bbs/  

46. Cable
Virgin Media (ex ntl & Telewest) Customer support and community forum
https://www.cableforum.co.uk/board/  

47. Accessify Forum: Web Accessibility Discussion Forums
Discussion about making websites accessible to people with disabilities.
http://www.accessifyforum.com/  

48. www.elitetrader.com
Elite Trader is the #1 site for traders of stocks, options, currencies, index futures, and cryptocurrencies.
https://www.elitetrader.com/et/  

49. affLIFT
Affiliate marketing forum filled with over 50,000 affiliates and exclusive guides, case studies, and example affiliate marketing campaigns!
https://afflift.com/f/  

50. Vertical Reference Helicopter Forums
Forum has 19,890 members.
https://helicopterforum.verticalreference.com/