phpBB
Open Source
phpBB is an Internet forum package in the PHP language.
Simple Machines Forum
Open Source
Simple Machines Forum software, or SMF software, is an open source, Internet forum, message-board.
vBulletin
Commercial
vBulletin (vB) is an Internet forum software package written in PHP and uses a MySQL database server.
MyBB
Open Source
MyBulletinBoard is a free and open source forum software.
FluxBB
Open Source
PunBB (PunBulletinBoard) is a lightweight PHP-based internet discussion board system. It is released under the GNU General Public License. The projects primar…
IP.Board
Commercial
IPS Community Suite (Invision Power Suite) is an Internet community software.
Compare XenForo with alternatives
Compare Simple Machines Forum and XenForo and decide which is most suitable for you.