Scorched Parchments is a fantasy supplement for the Wars of the Roses rules Torn Liveries. Both sets of free wargames rules are available at the link.
Miniatures Rules
Age of Marlborough Modifications For Age of Reason
Warflag has some modifications for the commercial Age of Reason rules to allow you tu use them to fight battles in the Age of Marlborough.
D-Day 1/72 Scale World War II Miniatures Rules
Brian Gills D-Day Rules are designed for 1/72 scale wargames miniatures.
Bugs Miniatures Rules
Brian Gill offers Bugs!, a set of miniatures rules for staging battles with large numbers of plastic insects.
The Caveman Clash Manual
Caveman Clash is a set of free wargames rules for playing skirmishes between cavemen. There also are paper figures if you don’t happen to have cavemen available.