XMB is a free forum package coded in PHP with MySQL for backend. 

Features include: 

• unlimited forums/members/posts/, 
• a control panel, 
• multiple themes, 
• censors, 
• user ranks, 
• user control panel, 
• a member list, 
• who's online, 
• bb code, 
• smilies, 
• u2u (a mix between PMs and IMs), 
• flood control, 
• many thread options, 
• avatars, 
• sub-forums, 
• post pruning, 
• automatic smilie and BB Code inserters, 
• polls, 
• subscriptions, 
• favorites, 
• templates, 
• advanced FAQ, 
• attachments (plus attachments manager), 
• send thread to friend, 
• COPPA support, 
• and more.
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How it works:

Choose a name for your folder and click "install".

Login and become the Admin for the board.

Set up your preferences and the board is ready to go!