| Rank | Board name and description | Posts | Members |
|---|
| 1 | IMobile
Mobile phones community (in chinese) | 29915407 | 9025169 |
| 2 | DP review
Digital photography forums | 23285357 | 588636 |
| 3 | Slashdot
Technology news commenting website | 13988544 | 880049 |
| 4 | Howard Forums
Mobile phones discussion boards | 11282263 | 874031 |
| 5 | The Straight Dope
Cecil Adams' weekly question and answer column message boards | 8687904 | 79170 |
| 6 | Giga.de
Computer and internet message board (in german) | 6561468 | 1121643 |
| 7 | Urban 75
General discussion message board | 6315235 | 41707 |
| 8 | Photography on the Net
Canon digital photography forums | 6120051 | 161105 |
| 9 | TurkeyForum
Satellite technology discussions (in turkish) | 5125030 | 358719 |
| 10 | Et8
Technology message boards (in chinese) | 4887967 | 17120 |
| 11 | Above Top Secret
Government secrets and conspiracy discussion forums | 4770320 | 144586 |
| 12 | Elektroda.pl
Polish electronics forum | 4749252 | 523786 |
| 13 | Randi.org
Science, society and skepticism forums | 3966577 | 18410 |
| 14 | DSLR-Forum
German DSLR Forum | 3649372 | 129806 |
| 15 | Onliner.by
Forum about mobile technologies in Belarus (in Russian) | 3622501 | 141359 |
| 16 | Club Snap
Photography message boards | 3421581 | 54035 |
| 17 | GSM Forum
GSM and mobile phone message boards | 3406018 | 847737 |
| 18 | Telefon Treff
German mobile phones community | 3235338 | 152627 |
| 19 | Techzone
Forum about computers and technology | 3124258 | 113039 |
| 20 | VIP 600
Technology message boards (in Arabic) | 2853333 | 279971 |
| 21 | PurePC.pl
Electronics message board | 2840081 | 54692 |
| 22 | Eastern US Weather
East Coast Weather discussion board | 2720211 | 8490 |
| 23 | Head-Fi
High-end headphones discussion forum | 2645779 | 49704 |
| 24 | Photo4u.it
Italian photo community | 2528485 | 31237 |
| 25 | Forum Ponsel
Indonesian technology forums | 2344920 | 102695 |
| 26 | Esato
Sony Ericsson mobile phones community | 2308029 | 161543 |
| 27 | WCM Online
Austrian computer and technology forum | 2262151 | 40354 |
| 28 | Chile Hardware
Computer hardware forums (in Spanish) | 2170827 | 73929 |
| 29 | Laneros
Technology forums (in Spanish) | 2042916 | 182960 |
| 30 | My Phone
Mobile phones discussion board (in greek) | 2026972 | 106018 |
| 31 | Belgium Digital
Digital photography message board (in dutch) | 1959688 | 20336 |
| 32 | L'île des mathématiques
Mathematics Forum | 1941315 | 67208 |
| 33 | Min Hembio
Swedish forum for home cinema and electronics. | 1934954 | 121008 |
| 34 | SciForums
Science discussion forums | 1883096 | 34081 |
| 35 | Meteo Network
Italian meteorology network | 1867182 | 4116 |
| 36 | Futura Science
French science discussion forum | 1824317 | 229306 |
| 37 | Meteo Red
Spanish Forum about meteorology | 1797641 | 8901 |
| 38 | Physics Forums
Science, physics and maths community | 1699973 | 109620 |
| 39 | BrightHand
PDA and Smartphone Forums | 1669003 | 116422 |
| 40 | Egel Forum
General technology forum (in spanish) | 1600126 | 34414 |
| 41 | AV Magazine
Italian Audio/Video message board | 1513733 | 43235 |
| 42 | Planet.ee
Technical discussion forum (in estonian) | 1494449 | 8419 |
| 43 | IP mart forum
Symbian and other mobile system forums | 1438511 | 880777 |
| 44 | Digital Worldz
Digital devices forum | 1305605 | 38202 |
| 45 | Bad Astronomy and Universe
Astronomy and Universe message board | 1288210 | 39755 |
| 46 | Pocket Navigation
Navigation systems forum (in german) | 1226873 | 92869 |
| 47 | The Photo Forum
Photographers community | 1203271 | 33436 |
| 48 | MP3Car
Car computers forum | 1198813 | 105278 |
| 49 | Geyiq
Turkish entertainment forum | 1157227 | 32187 |
| 50 | Ask Me Help Desk
Ask the experts community | 1156237 | 397232 |
| 51 | Foro Powers
Technology forums (in spanish) | 1080012 | 48479 |
| 52 | Blackberry Forums
Blackberry owners community | 1066100 | 229764 |
| 53 | Mac City Net
Mac and iPod Italian forum | 972698 | 68090 |
| 54 | Ipod Lounge
Ipod discussion and resource board | 898548 | 93945 |
| 55 | Handykult
Mobile phones message boards (in german) | 837438 | 101581 |
| 56 | Sudhian Forums
Electronics message board | 835090 | 55013 |
| 57 | 1src
Palm and PDA message board | 791858 | 99470 |
| 58 | Teknoloji Televizyonu
Technology forum in Turkish | 772245 | 191567 |
| 59 | Polish Elite Board
Technology discussion forum (in Polish) | 753993 | 840019 |
| 60 | Cell Phone Forums
Message board about cell phones | 730236 | 164700 |
| 61 | Socionics
Forum about socionics (in russian) | 718941 | 3379 |
| 62 | Pinstack
Blackberry Forums | 677809 | 367137 |
| 63 | Ön Sayfa Community
Satellite technology discussions (in turkish) | 637864 | 51680 |
| 64 | MacTalk
Apple and Mac forums | 599285 | 16388 |
| 65 | CNET
Technology and software message boards | 589420 | 19866 |
| 66 | Symbianize
Mobile phones and technology forums | 559098 | 31939 |
| 67 | Maxicep
Cellphones and smartphones forums (in Turkish) | 534045 | 216344 |
| 68 | Funender
Electronics discussion board | 524563 | 20321 |
| 69 | Photo Camel
Photo community | 516411 | 27341 |
| 70 | WebTurkiye Forum
Turkish computing forum | 495507 | 55123 |
| 71 | BizimUydu
BizimUydu satellite forum | 263724 | 4697 |
| 72 | Austech
Australian technology forums | 16475 | 2511 |
| 73 | Miccoms Community
German mobile phones community | 10394 | 138 |
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