Directory97 PRO is a FREE, powerful & feature rich link indexing script. It is easy to use and to manage. Directory97 PRO features unlimited links & categories, sponsored links, WYSIWYG editor, unlimited custom fields with image and auto thumbnail generator, referal reward, multi category submission, file manager, user review, web based administration, RSS feeder, printer friendly page, user control panel: favorite links, mylinks, subscription, mailing list, and many more.