| Rank | Board name and description | Alexa ranking | Posts | Members |
|---|
| 1 | CNET
Technology and software message boards | 108 | 589420 | 19866 |
| 2 | Slashdot
Technology news commenting website | 229 | 13988544 | 880049 |
| 3 | DP review
Digital photography forums | 556 | 28120340 | 363010 |
| 4 | IMobile
Mobile phones community (in chinese) | 1079 | 31277230 | 9591781 |
| 5 | GSM Forum
GSM and mobile phone message boards | 1615 | 7382505 | 1719598 |
| 6 | Howard Forums
Mobile phones discussion boards | 3056 | 13434328 | 1113663 |
| 7 | Laneros
Technology forums (in Spanish) | 5028 | 2042916 | 182960 |
| 8 | Esato
Sony Ericsson mobile phones community | 5802 | 2989957 | 216140 |
| 9 | TurkeyForum
Satellite technology discussions (in turkish) | 8160 | 7724762 | 482274 |
| 10 | Elektroda.pl
Polish electronics forum | 8917 | 9079635 | 1332282 |
| 11 | Photography on the Net
Canon digital photography forums | 8953 | 13622372 | 332483 |
| 12 | The Straight Dope
Cecil Adams' weekly question and answer column message boards | 9489 | 14635003 | 129109 |
| 13 | Et8
Technology message boards (in chinese) | 10383 | 5932888 | 18752 |
| 14 | Telefon Treff
German mobile phones community | 10586 | 4720141 | 199785 |
| 15 | Onliner.by
Forum about mobile technologies in Belarus (in Russian) | 11627 | 13466376 | 425081 |
| 16 | My Phone
Mobile phones discussion board (in greek) | 11950 | 2456899 | 138728 |
| 17 | Giga.de
Computer and internet message board (in german) | 14197 | 6561468 | 1121643 |
| 18 | MP3Car
Car computers forum | 14946 | 1375278 | 138534 |
| 19 | Techzone
Forum about computers and technology | 15570 | 3589460 | 110811 |
| 20 | Min Hembio
Swedish forum for home cinema and electronics. | 15582 | 3234839 | 214128 |
| 21 | Head-Fi
High-end headphones discussion forum | 16754 | 2645779 | 49704 |
| 22 | Physics Forums
Science, physics and maths community | 18489 | 3523475 | 334979 |
| 23 | Above Top Secret
Government secrets and conspiracy discussion forums | 19238 | 9402961 | 201391 |
| 24 | Meteo Red
Spanish Forum about meteorology | 19664 | 2768549 | 15807 |
| 25 | Mac City Net
Mac and iPod Italian forum | 20320 | 1109082 | 75483 |
| 26 | Randi.org
Science, society and skepticism forums | 22995 | 7980617 | 29128 |
| 27 | Pocket Navigation
Navigation systems forum (in german) | 23512 | 1226873 | 92869 |
| 28 | Club Snap
Photography message boards | 26285 | 3421581 | 54035 |
| 29 | Egel Forum
General technology forum (in spanish) | 29485 | 1600126 | 34414 |
| 30 | Forum Ponsel
Indonesian technology forums | 36154 | 2344920 | 102695 |
| 31 | Teknoloji Televizyonu
Technology forum in Turkish | 44028 | 772245 | 191567 |
| 32 | Foro Powers
Technology forums (in spanish) | 44896 | 1080012 | 48479 |
| 33 | Cell Phone Forums
Message board about cell phones | 51806 | 761505 | 255419 |
| 34 | 1src
Palm and PDA message board | 53716 | 815359 | 110080 |
| 35 | WCM Online
Austrian computer and technology forum | 57822 | 2262151 | 40354 |
| 36 | Handykult
Mobile phones message boards (in german) | 61296 | 898675 | 133489 |
| 37 | Funender
Electronics discussion board | 66068 | 524563 | 20321 |
| 38 | Belgium Digital
Digital photography message board (in dutch) | 80442 | 3414034 | 46101 |
| 39 | Miccoms Community
German mobile phones community | 82580 | 10394 | 138 |
| 40 | Urban 75
General discussion message board | 87025 | 9231910 | 48804 |
| 41 | SciForums
Science discussion forums | 91434 | 2775269 | 27137 |
| 42 | Photo4u.it
Italian photo community | 107809 | 4386484 | 59768 |
| 43 | Ipod Lounge
Ipod discussion and resource board | 113332 | 898548 | 93945 |
| 44 | The Photo Forum
Photographers community | 117823 | 1988834 | 88398 |
| 45 | Austech
Australian technology forums | 146014 | 16475 | 2511 |
| 46 | BizimUydu
BizimUydu satellite forum | 149057 | 263724 | 4697 |
| 47 | Bad Astronomy and Universe
Astronomy and Universe message board | 179329 | 1673893 | 77390 |
| 48 | Socionics
Forum about socionics (in russian) | 184776 | 718941 | 3379 |
| 49 | Eastern US Weather
East Coast Weather discussion board | 195039 | 3690077 | 10332 |
| 50 | Planet.ee
Technical discussion forum (in estonian) | 597087 | 1494449 | 8419 |
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