Rules for Privateer Press’ Warmachine and Hordes games now are free.
The Miniature Wargaming Editor
Firelock and Scalplock Rules
Firelock and Scalplock is a set of free wargames rules for wars on the American Frontier in the 1700s. You have to join a Yahoo group to get the set. But if you’re interested in the period, there are also a lot of other goodies there.
Fistfull of Sardaukar Rules
A Fistfull of Sardaukar is a set of free wargames rules for games set in Frank Herbert’s Dune Universe.
Card Creator Software
Card Creator is a piece of software that helps you design your own Magic-style cards.