http://upperboard.com/
http://asp-dev.co.uk/
http://www.xsorbit.com/
http://www.proboards.com/
http://www.ezboard.com/
http://hostultra.com/
http://www.network54.com/
http://www.everyone.net/
http://www.mycool.com/
http://www.voy.com/
http://www.dk3.com/
http://www.homepagetools.com/ultraboard
http://www.swiftsolution.com/
http://yahoo.com/
http://communities.msn.com/
http://on.starblvd.net/meet
http://delphi.com/
http://www.suddenlaunch.com/
http://bb.bbboy.net/
http://www.eboards4all.com/

http://www.phpbb.com/ - phpBB2 (PHP, mySQL)
http://woltlab.de/ - wbb1 (PHP, mySQL)
http://yabb.info/ - YaBB SE (PHP, mySQL)
http://openbb.com/ - OpenBB2 (PHP,mySQL)
http://www.invisionboard.com/ - (PHP,mySQL AND CGI)
http://german-bulletin-board.de/ - gBB (PHP, mySQL) (Cool)
http://www.phorum.org/ - Phorum (PHP + MySQL; open source)
http://www.minibb.net/ - MiniBB (PHP + MySQL)
http://www.yabb.com/- YaBB original (CGI)
http://www.mybboard.com/ - MyBB/DevBB (PHP, MySQL)
http://www.simplemessageboard.com/ - SMP (CFM, MSsql)
http://www.lokwa.com/ - lokwaBB (PHP, Mysql)
http://www.mercuryboard.com/ - MurcuryBoard [...]