| Rank | Board name and description | Posts | Members |
| 1 | GoLiveWire Teen message boards | 16687691 | 222558 |
| 2 | Reef Central Fish and Aquarium message boards | 15639505 | 226124 |
| 3 | eXBii Masala Filesharing forums | 15578264 | 1210203 |
| 4 | Just Mommies Pregnany and Parenting forum | 14690848 | 41857 |
| 5 | Mothering.com Parenting and pregnancy message boards | 14177602 | 143591 |
| 6 | Game Trailers Gaming community | 11535052 | 737528 |
| 7 | AVS Forums Audio, video and home cinema forums | 11042108 | 465108 |
| 8 | Baby Kingdom Parenting and childcare forum (in chinese) | 8712573 | 333515 |
| 9 | Essential Baby Parenting forum from Australia | 8668883 | 151673 |
| 10 | Hifi Forum German audio and video message boards | 8420093 | 512704 |
| 11 | Sybermoms Parenting message boards | 7582271 | 10658 |
| 12 | AV Forums Audio/visual home consumer electronics forums | 6566672 | 227785 |
| 13 | Tatli Askim Wedding forum (in Turkish) | 6181103 | 149180 |
| 14 | DVD Talk DVD and entertainment discussions | 5904085 | 78343 |
| 15 | TiVo Community Forum TiVo digital recorder message boards | 5540833 | 167357 |
| 16 | Baby @ Our Little Universe Baby, pregnancy and parenting forum | 5532001 | 5556 |
| 17 | Homecinema-fr French forums about home cinema hardware | 4971170 | 104820 |
| 18 | Materinstvo Pregnancy and parenting message board (in russian) | 4837396 | 51950 |
| 19 | Zwangerschapspagina Baby and parenting forums (in Dutch) | 4637887 | 28028 |
| 20 | Steve Hoffman Music message boards | 4517244 | 21989 |
| 21 | Eltern Forum Parenting message boards (in german) | 4028251 | 24272 |
| 22 | K-v-R Audio message boards | 3859249 | 188412 |
| 23 | Murator Forum about housing (in Polish) | 3707169 | 106298 |
| 24 | Magic Maman Parenting and pregnancy message boards (in french) | 3660177 | 36825 |
| 25 | Baby and Bump Pregnancy forum | 3609402 | 41284 |
| 26 | Afterdawn CD, DVD and video forums | 3412489 | 829144 |
| 27 | Lawn Site Garden and green industry forum | 3260810 | 94957 |
| 28 | Home @ Our Little Universe Home and gardening forums | 3073050 | 5556 |
| 29 | Audiokarma Home audio forums | 3070838 | 68640 |
| 30 | Saltwaterfish Tropical fish forums | 3058985 | 50559 |
| 31 | SG House Singapore property and rental forum | 2718547 | 32610 |
| 32 | Head-Fi High-end headphones discussion forum | 2645779 | 49704 |
| 33 | Miresici.ro Wedding forums (in Romanian) | 2586206 | 50627 |
| 34 | Fish Forums Tropical Fish message boards | 2559485 | 46841 |
| 35 | Min Hembio Swedish forum for home cinema and electronics. | 2539190 | 161786 |
| 36 | Baby Names World Forum about babies and names | 2476891 | 23297 |
| 37 | Dr Pez Fish and aquarium forums (in Spanish) | 2471995 | 59462 |
| 38 | Adoption.com Adoption message boards | 2403213 | 171289 |
| 39 | Home Theater forum Home theater and entertainment discussion board | 2386231 | 91127 |
| 40 | CD Freaks CD and DVD community | 2355410 | 450984 |
| 41 | She Knows Pregnancy discussion and advice message boards | 2322944 | 49498 |
| 42 | Piranha Fury Piranha discussion forums | 2283242 | 37872 |
| 43 | WAHM.com Work-at-home moms forum | 2267094 | 82199 |
| 44 | AV Magazine Italian Audio/Video message board | 2155390 | 73246 |
| 45 | Chud Movies message boards | 2145491 | 25824 |
| 46 | Desprecopii Romanian forum about raising children | 1975678 | 62019 |
| 47 | The ISO news Video games and movies discussion boards | 1937420 | 137942 |
| 48 | Video help DVD, VCD, SVCD message boards | 1933114 | 179275 |
| 49 | The DVD Forums DVD and movies message boards | 1926840 | 42540 |
| 50 | Cerco un Bimbo Fertility discussion forum (in Italian) | 1859176 | 32179 |
| 51 | Dans le ventre de maman Parenting and pregnancy message board (in french) | 1857514 | 7876 |
| 52 | We Beg to Differ Debates message board | 1826357 | 1136 |
| 53 | Adeba.de Baby and family forum | 1803008 | 26157 |
| 54 | Parents.com Parenting and pregnancy message boards | 1747600 | 222100 |
| 55 | Let's Yada Yada Yada Parenting and pregnancy forum | 1554906 | 7972 |
| 56 | The Baby Corner Parenting and baby forums | 1519344 | 33208 |
| 57 | Cooking Light Cooking message board | 1507640 | 51481 |
| 58 | The Clock Crew Clock Crew Disscussion Forum | 1505027 | 7026 |
| 59 | Do it yourself Home improvement discussion forums | 1481905 | 188736 |
| 60 | Ovusoft Parenthood and pregnancy message boards | 1462059 | 14908 |
| 61 | Doom9 DVD and video message board | 1257231 | 161365 |
| 62 | Garden's Cure Marijuana growing forums | 1209794 | 39971 |
| 63 | GeoParent Community focussed on family life, parenting and pregnancy | 1206128 | 11085 |
| 64 | DVDrama French DVD discussion forums | 1138315 | 16162 |
| 65 | Magic Mum A forum for mums | 1137170 | 11538 |
| 66 | DVD.NL Dutch DVD forum | 1129875 | 18045 |
| 67 | Craftster.org DIY Message board | 1105572 | 71900 |
| 68 | Divx Club - discontinued Russian divx discussion forums | 1061780 | 16103 |
| 69 | Baby University Parenting message board | 1035060 | 14683 |
| 70 | Fish Profiles Fish and aquarium discussion forum | 930384 | 15482 |
| 71 | eGullet Food and cooking message boards | 918704 | 19841 |
| 72 | DVDForum.nu Swedish DVD message board | 915974 | 24576 |
| 73 | Tractor Bynet Discussions about tractors | 901883 | 27203 |
| 74 | DVD File Home theater and DVD forums | 889874 | 11738 |
| 75 | Mundo DVD DVD and video forums (in spanish) | 870261 | 7145 |
| 76 | Sound Domain Car audio hardware forums | 851050 | 48475 |
| 77 | Aquarium Advice Aquarium and fish forums | 843828 | 15606 |
| 78 | Discuss Cooking Cooking message board | 812364 | 25252 |
| 79 | Auswanderer Forum for german expatriates in the US | 812145 | 19668 |
| 80 | Hitched.co.uk Wedding planning message boards | 760300 | 25600 |
| 81 | Cichlid Forum Message board dedicated to cichlid fish | 742113 | 53350 |
| 82 | Ultimate Wedding - discontinued Wedding message boards and journals | 736326 | 41529 |
| 83 | Michigan Reefers Fish tank and aquarium discussion forums | 723112 | 9277 |
| 84 | Reef Sanctuary Fish and aquarium forum | 718052 | 26988 |
| 85 | Satellite Guys High Tech TV information source | 691767 | 57629 |
| 86 | Oscar Fish ifshkeeping forum specialized in Oscars | 691168 | 10517 |
| 87 | Twinteresting A message board about twins | 687501 | 708 |
| 88 | HippyMom Women community | 668358 | 523 |
| 89 | Pipovic Video message boards | 634449 | 145336 |
| 90 | Twin Shock Support and Entertainment for Twin Parents | 625997 | 1513 |
| 91 | Sound Click Audio, Sound and Music discussion board | 585974 | 3940310 |
| 92 | EA Forums General discussion forum | 515644 | 5005 |
| 93 | Tvcapture.eu Video and television forums (in Turkish) | 444755 | 14911 |
| 94 | PB Vids Paint ball discussion board | 367107 | 30408 |