Forums in the App Development Niche

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

2. 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/  

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

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

5. 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/  

6. 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/  

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

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

9. CodingForums.com
Forum has 1,282,757 posts.
http://www.codingforums.com/  

10. 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/  

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

12. 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/  

13. 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/  

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

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

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

17. 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  

18. 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/  

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

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

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

22. Tech Support Guy
Forum has 1,040,546 topics.
http://forums.techguy.org/  

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

24. NeuroSkillz Club Self-improvement forum and community
A self-development discussion board and forum for achievers and lifelong learners.
https://neuroskillzclub.com/  

25. www.affilorama.com
Affilorama : The #1 Affiliate Marketing Forum with over 930,000 members that actively discuss all aspects of affiliate marketing and building a business online.
https://www.affilorama.com/forum/  

26. 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/  

27. International Web Developers N
The International Web Developers Network, free registration and resources for all website developers.
http://www.iwdn.net/  

28. WinDrivers Computer Tech Suppo
This is a discussion forum powered by vBulletin. To find out about vBulletin, go to http://www.vbulletin.com/ .
https://forums.windrivers.com/forum.php  

29. bitcointalk.org
Bitcoin Forum - Index
https://bitcointalk.org/  

30. Hosting Discussion
A web hosting forum for professionals and enthusiasts, discussing general hosting, reseller opportunities, VPS and dedicated solutions, cloud hosting, domain names, software, hardware and other...
http://www.hostingdiscussion.com/  

31. NamePros
Buy, sell, learn, and discuss domain names with the largest domain forum community in the world. Stay informed with the latest domain news.
http://www.namepros.com/  

32. Zend Forums
This PHP blog includes articles from experts about PHP development, security, best practices — and more.
http://forums.zend.com/  

33. Webmaster World
SEO Chat New Users Forum [br][url=https://www.webmasterworld.com/seochat_new_users/charter.htm][green][i][b]Please see forum Charter[/b][/i][/green][/url]. SEOChat SEOChat New Users
http://forums.seochat.com/  

34. www.woodworkuk.co.uk
Forum has 12,145 topics.
https://www.woodworkuk.co.uk/forum/  

35. www.silkysteps.com
Early years forum for craft activities, network support for professional practitioners, children's play, learning and development
https://www.silkysteps.com/forum/  

36. 7 Cups
https://www.7cups.com/home/  

37. 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/  

38. rpgcodex > check our fundraiser drive for Monomyth on the front page. Also fuck you Haba
Our highly prestigious RPG forums. We're an angry bunch.
https://rpgcodex.net/forums/  

39. Small Business Ideas, Issues,
Small Business Ideas Forum - Index
http://www.smallbusinessbrief.com/forum/  

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

41. Latest Topics · bbPress
Forums, made the WordPress way
http://bbpress.org/forums/  

42. RPG PUB
Tabletop RPG Discussion
https://www.rpgpub.com/  

43. RPG Maker Forums
Forum has 113,434 topics.
https://forums.rpgmakerweb.com/  

44. SkyscraperPage
Forum has 4,139,996 posts.
https://forum.skyscraperpage.com/  

45. capeverde.com
Forum has 4,004 topics.
http://www.capeverde.com/forum/  

46. eMastercam.com
Sign up in eMastercam to participate in a variety of online mastercam forums
https://www.emastercam.com/forums/  

47. Beauty Zone
Beauty Zone Discussion Board
https://www.beautyzone.co.uk/  

48. Essential Baby
Australia's largest online parenting community providing information and resources for conception, pregnancy, birth, baby, parenting and women's lifestyle.
http://www.essentialbaby.com.au/forums/  

49. Audacity Forum
Forum has 325,263 posts.
https://forum.audacityteam.org/  

50. www.indiaparenting.com
This is a discussion forum.
https://www.indiaparenting.com/forums/forum.php