This is a pretty big category, and we looked at only a few possibilities. But when it comes to projects and what-not, virtual (web pages, presentations, multimedia, etc.) can be nice, but nothing beats something solid and "real"!
Photo services (Mixbook, etc.)
Publishing (Magcloud, Lulu, Blurb)
Printing (Zazzle, Cafepress, Printful)
Etc. (Game Crafter)