Origami World of Neal Elias
This is almost certainly the most complete reference for any paperfolder ever compiled with 1530 pages contained on a DVD Rom in PDF format. The DVD has been used to allow sufficient space for the massive amount of content, please note it does not offer a typical DVD interface. Each copy is uniquely watermarked for security.
Dave Venables, Marcus Cooman and others have collaborated over 25 years to assemble this massive work on a not for profit basis.