Boardawy
Full featured forum software unlimited nested forums, multi lingual, multi theme, fully SQL driven, banner system, mail lists, multimedia and files upload, advanced search, highly customisable, wusiwyg visual html editor, full accounts system, e-commerce, credit card processing, paypal integration, private messaging, subscriptions, moderators manager, advanced forums permissions, backup, sql and database manager, custom functions, html template based, and hundreds of more features. Try the live demos.