Forums in the Mobile App Development Niche

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

2. Apolyton Civilization Site
Forum Description
https://apolyton.net/forum.php  

3. Tech Support Guy
Just missed out on a spot in the top 25.
http://forums.techguy.org/  

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

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

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

7. Beyond3D Forum
Forum has 55,387 topics.
http://forum.beyond3d.com/  

8. 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/  

9. 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/  

10. 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  

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

12. 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/  

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

14. The Admin Zone
Forum has 26,225 members.
https://www.theadminzone.com/  

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

16. 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/  

17. 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/  

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

19. Black Sea Studios Forums
Forum has 15,414 posts.
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. Virtual Assistant Forums
Virtual Assistant Forums
http://www.virtualassistantforums.com/  

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

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

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

26. kirupaForum
Forum has 2,356,337 posts.
http://www.kirupa.com/forum/  

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

28. Manx Forums - A Discussion Board & Classifieds for the Isle of Man
Forum has 872,950 posts.
https://www.manxforums.com/forums/  

29. 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/  

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

31. 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  

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

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

34. GSM-Forum
Welcome to gsm-forum, here you find all infos about android, windows mobiles, iphones, flashing, repair, unlocking, root, development software, firmwares.
https://forum.gsmhosting.com/vbb/  

35. 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/  

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

37. www.go4expert.com
Forum has 24,956 topics.
https://www.go4expert.com/forums/  

38. RPG Maker Forums
Forum software by XenForo
https://forums.rpgmakerweb.com/  

39. Home Theater Forum and Systems
Forum has 60,532 topics.
http://www.hometheatershack.com/forums/  

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

41. 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/  

42. OKclarity
Discuss & explore common mental health, personal development & emotional wellness topics in the Jewish Community. You deserve a supportive community, join the conversation.
https://okclarity.com/forums/  

43. The Diesel Garage
A forum community dedicated to Diesel engine owners and enthusiasts. Come join the discussion about performance, builds, ecodiesel, towing capacity, modifications, classifieds, troubleshooting,...
http://www.thedieselgarage.com/forums/  

44. www.uncommonforum.com
Discuss psychology, get help, give help, chat with other practitioners - come and join the community at Uncommon Knowledge's Forum.
https://www.uncommonforum.com/  

45. 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/  

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

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

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

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

50. Vertical Reference Helicopter Forums
Forum has 125,652 posts.
https://helicopterforum.verticalreference.com/