| Rank | Board name and description | Posts | Members |
| 1 | Money Saving Expert Money Saving discussion board | 32346363 | 1204577 |
| 2 | Mac Rumors Mac news and rumors discussion | 16724062 | 816217 |
| 3 | Mtbr Mountain Bikes reviews forum | 9914665 | 455199 |
| 4 | GSM Forum GSM and mobile phone message boards | 8504995 | 1943470 |
| 5 | Burbuja Real estate economy forum (in Spanish) | 8472940 | 44205 |
| 6 | Neowin Microsoft windows discussion forums | 8010646 | 213700 |
| 7 | Codemasters Official Codemasters Software Company Forum | 5858626 | 282290 |
| 8 | The Fashion Spot Fashion industry message boards | 5559533 | 60785 |
| 9 | The WB Warner Bros television network forums | 5258525 | 1347686 |
| 10 | K-v-R Audio message boards | 4759862 | 234364 |
| 11 | Lawn Site Garden and green industry forum | 4748185 | 147809 |
| 12 | Money Maker Group Online money making and investments forum | 4558335 | 105508 |
| 13 | Credit Boards Credit and loan discussion board | 4293003 | 102588 |
| 14 | Mac NN Mac news and technical discussion | 4059069 | 107986 |
| 15 | Mac bidouille French Mac forums | 3728604 | 159418 |
| 16 | PS3Forums Sony PlayStation 3 forums | 3667597 | 159244 |
| 17 | Elite Trader Trading and stock message boards | 3302435 | 459149 |
| 18 | PB Review Paintball message board | 3202798 | 273141 |
| 19 | Sony music forums Message boards dedicated to artists produced by Sony | 3162500 | 482280 |
| 20 | Finanza Online Finance and Stock message boards (in Italian) | 2948888 | 51514 |
| 21 | Consumer Action Group
| 2935317 | 265134 |
| 22 | AR15 Guns and rifles message board | 2792011 | 59163 |
| 23 | DreamTeamMoney Money making forums | 2742217 | 274012 |
| 24 | Mac Generation Mac message boards (in french) | 2725809 | 109659 |
| 25 | Ask Me Help Desk Ask the experts community | 2595192 | 881607 |
| 26 | Free advice Legal advice and discussion forums | 2430899 | 379105 |
| 27 | WAHM.com Work-at-home moms forum | 2267094 | 82199 |
| 28 | Airliners.net Aviation message boards | 2130320 | 12465 |
| 29 | SpyMac Macintosh and Apple message boards | 2109714 | 856451 |
| 30 | Apple Insider Apple and MAC message boards | 1991547 | 181460 |
| 31 | Tractor Bynet Discussions about tractors | 1884377 | 74015 |
| 32 | Immigration Portal Immigration related discussions | 1827478 | 188449 |
| 33 | Mac User Macintosh users community (in German) | 1808773 | 55174 |
| 34 | Key Publishing Aviation message boards | 1778160 | 31845 |
| 35 | Mac Life Mac and Apple discussion forums | 1726999 | 69495 |
| 36 | 99.se Swedish Mac community | 1588561 | 67252 |
| 37 | Axim Site Dell Axim support forums | 1579444 | 218716 |
| 38 | Mr.Excel MS Excel unofficial discussion board | 1437148 | 86657 |
| 39 | Playfrance French Playstation discussion board | 1356115 | 34147 |
| 40 | osCommerce osCommerce support forums | 1338269 | 221284 |
| 41 | Aqua Computer Systeme Aqua Computer System support forum (in german) | 1262913 | 14989 |
| 42 | Bankir.ru Banking and stock message boards (in russian) | 1232837 | 39972 |
| 43 | La PS3 Playstation 3 message board (in Spanish) | 1225076 | 59197 |
| 44 | Joomla! Joomla! software support forum | 1198161 | 170806 |
| 45 | EH Mac Mac, iPod and iPhone community | 1138036 | 39366 |
| 46 | NDS Engineers Novell NetWare and Suse support forums | 1138023 | 3171 |
| 47 | Bullfire Stock and finance message boards (in german) | 1117959 | 19164 |
| 48 | Mac City Net Mac and iPod Italian forum | 1109082 | 75483 |
| 49 | MacTalk Apple and Mac forums | 1056932 | 6651 |
| 50 | Early Retirement Retired lifestyle forum | 1050439 | 22469 |
| 51 | WUG Network Windows User Group Network discussion board | 1019492 | 730661 |
| 52 | Reseller Ratings Computer hardware discussion board | 988551 | 277998 |
| 53 | PSP Crazy PSP enthusiasts community | 934046 | 182585 |
| 54 | MacFixIt Mac troubleshooting message boards | 859673 | 2148685 |
| 55 | MSFN Microsoft forum network | 810866 | 54038 |
| 56 | MCSE Board German MCSE Forum dedicated to Windows 2000 / XP / 2003 Server | 800997 | 45998 |
| 57 | Court TV Court trials discussion board | 796618 | 14096 |
| 58 | Cell Phone Forums Message board about cell phones | 761505 | 255419 |
| 59 | Pro networks Windows message boards | 748132 | 96892 |
| 60 | Net Iris Legal issues forum | 727250 | 63122 |
| 61 | Sukhoi.ru Aviation forum (in russian) | 701142 | 9647 |
| 62 | Cerulean Studios Official Trillian forums | 641550 | 132496 |
| 63 | 99 Mac Swedish Macintosh forum | 622927 | 21062 |
| 64 | PSPain Spanish PSP forums | 618002 | 95728 |
| 65 | MSI MSI motherboards support forums | 608850 | 59342 |