It will all depend on what you have available server-side and where your skills lie. There are classic forum scripts that you have to pay for like UBB and vBulletin but the 'clones' available are just as powerful. Anyway have a look through these:External ezboard PHP phpBB InvisionBoard - Super Fast, Well Coded, and Free!Phorum - Simple, Free.hotscripts.com/PHP/Scripts_and_Programs/Discussion_Boards/ General Google directory + -Forum software (emphasis on simple, standards-compliant forums) + -UBB forum +UBB forum -UBB-style forum software +UBB-style forum software -I'm looking for a free Discussion Board scripts in PHP +I'm looking for a free Discussion Board scripts in PHP -a good free cgi forum system +a good free cgi forum system -Favorite PHP Message Board +Favorite PHP Message Board -need a good discussion board script in PHP +need a good discussion board script in PHP -Bulletin Board Software +Bulletin Board Software -Forums +Forums -best free php forum? +best free php forum? -Message Board +Message Board -bulletin boards +bulletin boards -Php Message Boards: Recommendations and Beginner Questions +Php Message Boards: Recommendations and Beginner Questions -free PHP forum +free PHP forum + Can you give me help installing/modifying phpBB? Emperor (Added by: Emperor on Fri 13-Sep-2002) (Edited by: Emperor on Fri 13-Sep-2002) (Edited by: Synthetic on Mon 16-Sep-2002) (Edited by: Rick on Tue 01-Apr-2003) (Edited by: Emperor on Fri 23-May-2003) (Edited by Slime on 08-20-2005 18:43) +(Edited by Emperor on 01-14-2006 16:16)
Alternatives to phpBB - redux