В пятёрку обычно коммерческие или распиаренные продукты входят. А так:
Red Hot Chili Peppers - rock band (yes, this is their official forum)
Downhere - Christian pop/rock band
Jason Gray - Christian singer/songwriter
Connie Talbot - English child singer
Gameloft - mobile game developer
Spartan Games - game developer from England
Audiosurf - popular computer game
Netenberg - developers of the popular Fantastico automated script installer (note: this link lets you access the forum directly, as they've done a rather poor job of integrating it with their website)
http://www.classroomm.com/objective-c - Official forum for the book Programming in Objective-C
Death Row Records - rap/hip hop label once home to 2pac, Jewell and Snoop Dogg among others
Comodo - software and internet security company
avast! - software company that develops antivirus and internet security software
Pro FTPd - one of the two "big" FTP server software packages (the other being Pure-FTPd)
http://www.thethirdoption.net/smf - official forum of author Vince Flynn
http://www.michaelmonroe.com/forum - official forum of Finnish rock musician Michael Monroe
Thrasher Magazine - skateboard magazine
Some other large but not necessarily famous forums:
http://www.redandwhitekop.com/forum - 8.3 million posts (Liverpool football [what we Americans call "soccer"] club)
http://www.hogville.net - 4.6 million posts (Arkansas razorbacks discussion)
http://www.craftster.org/forum - 4.3 million posts (craft forums)
http://www.mazda3forums.com - 4 million posts
http://www.dubcc.com/forum - 2.7 million posts (rap/hip hop)
http://www.inthe00s.com - 2.65 million posts (pop culture discussion)
http://www.sportsjournalists.com/forum - 2.2 million posts
https://ubuntuforums.org/ Ubuntu Forum
Пруф
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