| Rank | Board name and description | Posts | Members |
| 1 | Money Saving Expert Money Saving discussion board | 9765850 | 371918 |
| 2 | Neowin Microsoft windows discussion forums | 7914944 | 212612 |
| 3 | Mac Rumors Mac news and rumors discussion | 6011153 | 220659 |
| 4 | Mtbr Mountain Bikes reviews forum | 4770505 | 155596 |
| 5 | The Fashion Spot Fashion industry message boards | 4591756 | 67183 |
| 6 | Money Maker Group Online money making and investments forum | 4558335 | 105508 |
| 7 | Codemasters Official Codemasters Software Company Forum | 4275336 | 1602479 |
| 8 | Mac NN Mac news and technical discussion | 3560284 | 83148 |
| 9 | GSM Forum GSM and mobile phone message boards | 3406018 | 847737 |
| 10 | Credit Boards Credit and loan discussion board | 3308097 | 72769 |
| 11 | K-v-R Audio message boards | 3215303 | 159952 |
| 12 | PS3Forums Sony PlayStation 3 forums | 3182428 | 100472 |
| 13 | Sony music forums Message boards dedicated to artists produced by Sony | 3162500 | 482280 |
| 14 | The WB Warner Bros television network forums | 3134263 | 816605 |
| 15 | PB Review Paintball message board | 3131290 | 201115 |
| 16 | Finanza Online Finance and Stock message boards (in Italian) | 2948888 | 51514 |
| 17 | AR15 Guns and rifles message board | 2792011 | 59163 |
| 18 | Mac bidouille French Mac forums | 2748192 | 102599 |
| 19 | Mac Generation Mac message boards (in french) | 2725809 | 109659 |
| 20 | Lawn Site Garden and green industry forum | 2462368 | 76357 |
| 21 | Immigration Portal Immigration related discussions | 2398932 | 187997 |
| 22 | Airliners.net Aviation message boards | 2130320 | 12465 |
| 23 | SpyMac Macintosh and Apple message boards | 2109714 | 856451 |
| 24 | WAHM.com Work-at-home moms forum | 1962841 | 68305 |
| 25 | Free advice Legal advice and discussion forums | 1863652 | 244889 |
| 26 | Mac User Macintosh users community (in German) | 1808773 | 55174 |
| 27 | Elite Trader Trading and stock message boards | 1696055 | 113558 |
| 28 | Axim Site Dell Axim support forums | 1579444 | 218716 |
| 29 | Mac Life Mac and Apple discussion forums | 1563952 | 30344 |
| 30 | 99.se Swedish Mac community | 1500082 | 62229 |
| 31 | Mr.Excel MS Excel unofficial discussion board | 1437148 | 86657 |
| 32 | Playfrance French Playstation discussion board | 1356115 | 34147 |
| 33 | Apple Insider Apple and MAC message boards | 1260068 | 51576 |
| 34 | Aqua Computer Systeme Aqua Computer System support forum (in german) | 1247075 | 13860 |
| 35 | Bankir.ru Banking and stock message boards (in russian) | 1232837 | 39972 |
| 36 | La PS3 Playstation 3 message board (in Spanish) | 1201627 | 58527 |
| 37 | Joomla! Joomla! software support forum | 1198161 | 170806 |
| 38 | osCommerce osCommerce support forums | 1197718 | 187032 |
| 39 | Ask Me Help Desk Ask the experts community | 1156237 | 397232 |
| 40 | NDS Engineers Novell NetWare and Suse support forums | 1138023 | 3171 |
| 41 | Bullfire Stock and finance message boards (in german) | 1117959 | 19164 |
| 42 | Key Publishing Aviation message boards | 1091098 | 11167 |
| 43 | WUG Network Windows User Group Network discussion board | 1019492 | 730661 |
| 44 | Reseller Ratings Computer hardware discussion board | 988551 | 277998 |
| 45 | Mac City Net Mac and iPod Italian forum | 972698 | 68090 |
| 46 | Tractor Bynet Discussions about tractors | 901883 | 27203 |
| 47 | MacFixIt Mac troubleshooting message boards | 859673 | 2148685 |
| 48 | MCSE Board German MCSE Forum dedicated to Windows 2000 / XP / 2003 Server | 800997 | 45998 |
| 49 | Court TV Court trials discussion board | 796618 | 14096 |
| 50 | Pro networks Windows message boards | 748132 | 96892 |
| 51 | Cell Phone Forums Message board about cell phones | 730236 | 164700 |
| 52 | Sukhoi.ru Aviation forum (in russian) | 701142 | 9647 |
| 53 | MSFN Microsoft forum network | 686641 | 143334 |
| 54 | Cerulean Studios Official Trillian forums | 641550 | 132496 |
| 55 | 99 Mac Swedish Macintosh forum | 622927 | 21062 |
| 56 | PSPain Spanish PSP forums | 612155 | 84245 |
| 57 | MSI MSI motherboards support forums | 608850 | 59342 |
| 58 | PSP Crazy PSP enthusiasts community | 605175 | 13996 |
| 59 | MacTalk Apple and Mac forums | 599285 | 16388 |
| 60 | Net Iris Legal issues forum | 573618 | 52568 |
| 61 | DreamTeamMoney Money making forums | 522062 | 37704 |