Bravado is a set of free wargames rules for the horse and musket period. There are guidelines for both the American War of Independence and Napoleonic Wars for play. The rules employ an interesting mechanism where the players compete for initiative, deciding how much they will risk disaster in order to have another phase of movement or attack or time to reform their regiments.
Miniatures Rules
Acies Ancients Battle Card Game
Acies is a very nice looking two player card game designed to simulate conflict between ancient armies. it looks like it would be a fun thing to play on off-nights when your regular miniatures games end early. All the parts you need are there to download and print out.
Gold Rush Wargames Rules
Gold Rush is a set of free wargames rules for 25mm – 28mm figures featuring Mounties in the Yukon in 1898. Dudley Do-Right and all that.
Hordes of the Empire HOTT Variant
Hordes of the Empire is a colonial variant of the Hordes of the Things rules. Hordes uses DBA mechanisms.
FireForce!
FireForce! is a set of free wargames rules for 15mm platoon level modern skirmishes.