Ross Macfarlane offers Hearts of Tin, a set of simple Horse and Musket rules:
rules
Bushido New Dawn Rules
Bushido New Dawn is a set of free wargames rules for Japanese Fantasy/Myth skirmishes.
SAGA Rohan Battleboard
A SAGA Battleboard for the Riders of Rohan from the Lord of the Rings
SAGA Gondor Battleboard
Tabletop Deutschland blog has a nicely done battleboard for Lord of the Rings Gondor forces.