Large forums

The following is a list of known active SMF forums which boast a post count of over 500,000. The list is still under construction and will be expanded with more large forums over time. "As of (date)" indicates the date these statistics were last updated for a specific board.

{| class="wikitable sortable" style="width:100%; text-align: center" ! style="width:25%" | Name ! style="width:10%;white-space:nowrap" | Posts ! style="width:10%;white-space:nowrap" | Topics ! style="width:10%;white-space:nowrap" | Members ! style="width:5%;white-space:nowrap" | Update ! Description
 * Red and White Kop
 * 12,645,920
 * 165,300
 * 41,405
 * 2014/11
 * Burek
 * 11,810,007
 * 625,484
 * 2,145,009
 * 2014/11
 * Bitcointalk
 * 11,166,204
 * 430,764
 * 493,223
 * 2015/04
 * Hogville
 * 7,761,588
 * 342,807
 * 27,341
 * 2014/11
 * Elliquiy Adult Role Playing
 * 7,143,775
 * 25,090
 * 2015/01
 * TaleWorlds Forum
 * 6,490,781
 * 246,641
 * 153,451
 * 2014/11
 * Developers of Mount & Blade games.
 * Fertility friends
 * 5,230,920
 * 2015/01
 * Getbig Forums
 * 5,082,924
 * 2015/01
 * Italian Subs Addicted Forum
 * 4,811,395
 * 103,141
 * 399,269
 * 2014/11
 * Biology Discussion Forums
 * 4,618,839
 * 1,721,291
 * 302,000
 * 2019/08
 * Free homework help
 * Crafster.org
 * 4,616,395
 * 2015/01
 * Astronomy.ru
 * 4,196,625
 * 88,115
 * 33,299
 * 2019/02
 * Russian, astronomy
 * Simple Machines Forum
 * 3,590,178
 * 433,455
 * 350,074
 * 2015/04
 * SMF powered forum home of SMF, for support with SMF and a general SMF community for users of SMF.
 * Fórum SCP
 * 3,351,783
 * 20,959
 * 5,398
 * 2014/12
 * Fans of Sporting Club of Portugal
 * MoparScape
 * 3,263,271
 * 480,368
 * 524,575
 * 2015/01
 * Inthe00s.com
 * 3,192,868
 * 2015/01
 * BPDFamily.com
 * 2,911,688
 * 282,082
 * 70,130
 * 2015/01
 * Support group for families having a mentally ill family member
 * Hommaforum.org
 * 2,855,792
 * 58,477
 * 11,032
 * 2019/03
 * Finnish political discussion forum
 * 40KOnline
 * 2,633,793
 * 201,324
 * 40,375
 * 2013/05
 * Fans of Warhammer 40,000 game
 * KBoards
 * 2,517,538
 * 131,668
 * 74,636
 * 2014/02
 * Kindle readers and authors of ebooks
 * Bay12 Games Forum
 * 2,122,186
 * 135,497
 * 41,446
 * 2014/07
 * Developers of Dwarf Fortress game.
 * BenzoBuddies
 * 2,000,747
 * 141,900
 * 21,856
 * 2016/03
 * BenzoBuddies: an inclusive, nonjudgmental mutual-support environment for all who wish to withdraw from benzodiazepines.
 * Chevy Avalanche Fan Club
 * 1,935,658
 * 116,115
 * 49,335
 * 2013/05
 * AvPGalaxy
 * 1,934,700
 * 29,086
 * 18,436
 * 2015/03
 * Alien vs Predator forum
 * Multitool Forum
 * 1,873,911
 * 75,565
 * 6,386
 * 2019/02
 * Intelligent tool discussion and info for the collector, enthusiast and user.
 * geekhack
 * 1,485,674
 * 58,148
 * 41,874
 * 2015/04
 * Keyboard Modifications and Accessories
 * Hondenvrienden
 * 1,431,046
 * 55,226
 * 7,751
 * 2014/03
 * Belgian biggest dog forum
 * EEVBlog Electronics
 * 1,320,826
 * 87,084
 * 40,615
 * 2017/11
 * EEVBlog Electronics Community
 * NASA Spaceflight
 * 1,296,427
 * 30,370
 * 28,713
 * 2015/04
 * An online NASA community
 * Hunting Washington
 * 1,290,743
 * 139,321
 * 20,088
 * 2016/02
 * Outdoor sports enthusiasts
 * Bass Fishing Forum
 * 1,124,972
 * 2015/01
 * Avast! WEBforum
 * 1,113,332
 * 128,618
 * 675,459
 * 2015/04
 * Online community of (anti-virus) security firm Avast!
 * Forum Mustang
 * 1,087,068
 * 42,450
 * 9,745
 * 2018/03
 * French forum about Ford Mustang cars
 * Marlin Crawler
 * 1,022,342
 * 70,601
 * 20,769
 * 2016/01
 * Marlin Crawler is a vendor of car parts for Toyota rock crawlers
 * Hulpverlenings Forum
 * 979,005
 * 7,185
 * 39,368
 * 2016/01
 * Dutch site about emergency services
 * NSNO Everton Forum
 * 1,469,528
 * 44,733
 * 4,565
 * 2018/10
 * Supporters of Everton Football Club
 * COMODO
 * 758,600
 * 82,012
 * 157,392
 * 2015/04
 * Community forum of COMODO, a security firm providing security solutions such as SSL certificates.
 * TheBeerSpot
 * 608,132
 * 14,210
 * 1,600
 * 2014/02
 * A craft beer community.
 * Brandweerforum
 * 545,804
 * 20,330
 * 2.514
 * 2013/06
 * Dutch site about fire fighters
 * Perusing The Shelves
 * 633,716
 * 50,826
 * 190,941
 * 2016/08
 * Online community for Readers
 * 2015/01
 * Avast! WEBforum
 * 1,113,332
 * 128,618
 * 675,459
 * 2015/04
 * Online community of (anti-virus) security firm Avast!
 * Forum Mustang
 * 1,087,068
 * 42,450
 * 9,745
 * 2018/03
 * French forum about Ford Mustang cars
 * Marlin Crawler
 * 1,022,342
 * 70,601
 * 20,769
 * 2016/01
 * Marlin Crawler is a vendor of car parts for Toyota rock crawlers
 * Hulpverlenings Forum
 * 979,005
 * 7,185
 * 39,368
 * 2016/01
 * Dutch site about emergency services
 * NSNO Everton Forum
 * 1,469,528
 * 44,733
 * 4,565
 * 2018/10
 * Supporters of Everton Football Club
 * COMODO
 * 758,600
 * 82,012
 * 157,392
 * 2015/04
 * Community forum of COMODO, a security firm providing security solutions such as SSL certificates.
 * TheBeerSpot
 * 608,132
 * 14,210
 * 1,600
 * 2014/02
 * A craft beer community.
 * Brandweerforum
 * 545,804
 * 20,330
 * 2.514
 * 2013/06
 * Dutch site about fire fighters
 * Perusing The Shelves
 * 633,716
 * 50,826
 * 190,941
 * 2016/08
 * Online community for Readers
 * 2.514
 * 2013/06
 * Dutch site about fire fighters
 * Perusing The Shelves
 * 633,716
 * 50,826
 * 190,941
 * 2016/08
 * Online community for Readers
 * Online community for Readers