Simple Machines Forum software, or SMF software, is an open source, Internet forum, message-board. Developed by Simple Machines LLC
License: Open Source
PunBB (PunBulletinBoard) is a lightweight PHP-based internet discussion board system. It is released under the GNU General Public License. The projects primary goal is to be a faster, smaller and less graphic alternative to discussion boards such as phpBB, Invision Power Board or vBulletin.
License: Open Source
FluxBB is a lightweight and straightforward forum software ideal for small to medium-sized communities, while Simple Machines Forum offers a more robust feature set and extensibility, making it suitable for larger forums and those requiring advanced functionalities.