The Pulp-O-Mizer is a pulp magazine cover generator. Loads of fun, and potentially useful.
Savage Barsoom are rules for playing games set on Edgar Rice Burrough’s Mars using Pinnacle’s Savage Worlds game.
Eye Candy: An army based on the Tarzan books.
Danger Patrol is a pulp-style RPG with a very interesting dice mechanic that I think would be great for skirmish style wargames. With the mechanism, players voluntarily make things more difficult for themselves in order to gain reward points when they succeed against overwhelming odds.
Rattrap Productions has a free paper model of the interior of a Zeppelin gondola, suitable for 28mm figures.