Mophidus is offering free PDF core rules for their Fallout Wasteland Warfare game, based on the Fallout video game series. They also are have a free Fallout: Wasteland Warfare Getting Acclimated pdf with some basic scenarios and a guide to help start play. Other free offerings are Fallout Wasteland Warfare Dice and Ruler Info and high res player cards.
Bushi Samurai Rules
Bushi is a set of free wargames rules for Samurai warfare. Each stand represents a band of warriors. Two bands equal 500 men.
Modeling Trees For The Great War
The Wargames Table has a nice article on modeling trees for The Great War. The trees also look to me as though they would be nice for a deadlands type of fantasy setup.
Final Round WWII Skirmish Game
Final Round is a set of free wargames rules for WWII skirmishes.
Gaming Card Creator
Here’s an online gaming card creator that lets you produce basic cards — sans illustrations — for a variety of gaming applications.