Links to outside sources:
Electronic Beowulf - A comprehensive site dedicated to the electronic edition of Beowulf that you can purchase on CD, which contains a scan of the only extant original manuscript of Beowulf.
Beowulf in Hypertext - A very good Beowulf site that allows you to flip back and forth between the Gummere translation and the Old English version of the story.
Beowulf Comic - A comic book version based on the 1910 translation by Francis B. Gummere.
Beowulf movie - A bad movie very loosely based on the Beowulf story.
Beowulf animation - An apparently decent animated adaptation of the story.