GrimDark Racing is a set of simple rules for races in the Warhammer 40K universe. Just use models you already have. There’s plenty of violence, of course.
rules
Fast Play Rules For The Seven Years War
The Fast Play Rules for the Seven Years War. The author writes:
These are fast play rules for mid-18th century battles with 15 mm figures, the focus is on playability. They are ideal for campaingnplay, where you would want to finish the battle in one or maximum two hours. They are not suited for historical refights.
Redcoats and Natives Colonial Rules
Bob Cordery offers Redcoats and Natives, a set of free wargames rules for the colonial period.
Panzer Troops WWII Rules
Panzer Troops is a set of free wargames rules for WWII battles. The rules are intended as an introduction to historical wargaming.
SAGA Isengard Battleboard
A Saga battleboard and army list for the forces of Isengard from the Lord of the Rings.