Discourse
Open Source
Discourse is a civilized discussion platform for your community. Use it as a mailing list, discussion forum, long-form chat room, and more.
bbPress
Open Source
bbPress is forum software with a twist from the creators of WordPress.
Vanilla
Freemium
Vanilla is an open source PHP based forum software.
XenForo
Commercial
XenForo is an Internet forum software package written in the PHP using the Zend Framework.
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.
NodeBB
Open Source
NodeBB is a forum software.
Compare vBulletin with alternatives
Compare Discourse and vBulletin and decide which is most suitable for you.