PHP：
VB : http://www.vbulletin.com/
IPB : http://www.invisionboard.com/
wBB : http://www.woltlab.de
DZ : http://www.discuz.net
phpbb : http://www.phpbb.com
Celeste Bulletin Board (CBB) : http://www.celestesoft.com
Phorum : http://phorum.org/
WOWBB : http://www.wowbb.com/
FUD Forum Bulletin Board : http://fudforum.org
PHPwind : http://www.phpwind.net
Molyx Board : http://www.molyx.com/
MyBulletinBoard (MyBB) : http://www.mybboard.com/
Simple Machines : http://simplemachines.org/
Blue Magic Board (BMB) : http://www.bmforum.com/
PunBB : http://www.punbb.org/


Open Bulletin Board (OpenBB) : http://openbb.com/
XMB - http://www.xmbforum.com
minimalist bulletin board(miniBB) : http://www.minibb.net/
MercuryBoard : http://www.mercuryboard.com/
Smart Bulletin Board : http://www.smartbb.net/
MyTopix Personal Message Board : http://support.jaia-interactive.com/
OvBB : http://www.ovbb.org/
SEO-Board : http://forums.seo-board.com/
Simple Forum : http://www.gerd-tentler.de/tools/forum/forum.php
MyPHP Forum : http://www.myphp.ws/
podBB : http://phppod.com/
IceBB : http://icebb.net/
UseBB : http://www.usebb.net/

CGI/PERL：

LEOBBS : http://bbs.leobbs.com
Ikonboard (IB) : http://www.ikonboard.com/
bbBoard v2 : http://www.bbv2.com/
Yet Another Bulletin Board (YaBB) : http://www.yabbforum.com/
E-Blah : http://www.eblah.com/
Gossamer Forum : http://www.gossamer-threads.com/forum/

ASP/.net：

DVBBS : http://www.dvbbs.net
leadbbs : http://www.leadbbs.com/
Web Wiz Forums : http://www.webwizguide.info/web_wiz_forums/default.asp
Snitz Forums 2000 : http://forum.snitz.com/default.asp
MegaBBS : http://www.pd9soft.com
ASP.NET : http://forums.asp.net/
ASP Playground.NET : http://www.aspplayground.net
Snowman Forum (SF) : http://www.xinboard.net/
ASPBB : http://aspbb.org/forum

JAVA ：

Jute Powerful Forum : http://www.cjsdn.com/
mvnForum : http://www.mvnforum.com/mvnforumweb/feature.jsp
Java Forum : http://www.jivenetworks.com/software/jsp/javaforum/
Express BBS : http://www.spfol.com/forum/