phpBB

Since its creation in 2000, phpBB has become the most widely used Open Source forum solution. With a large and highly customisable set of key features coupled with a standards compliant interface, phpBB will grow with, and complement your website. With millions of installations worldwide, it is no wonder phpBB is one of the most popular ways to create and support a community.

Its features include :

• Full text search
• Private Message System
• UTF-8 Support
• Security
• Anti Spam
• Multiple database support
• Polls
• File Attachments
• Caching
• Users and Groups management
• Email notification
• Easy moderation using control panel
• Support for styles and themes
• Localization
• Plug-in support