Are You Being Serfed? is a set of free wargames rule for the Wars of the Roses. The author notes:
I believe they will give a fast and fun game. We are going to have in the region of 40+ units, 800+ figures on the table and with possibly only 2 players they need to be.
Warhammer Napoleonics is a set of stat lines and modifications for using the basic Warhammer Rules for the Napoleonic period.
Two Hour Wargames offers Swordplay, a one-to-one skirmish game with sword, shield and bow.
Samurai Knight Fever is a set of free wargames rules for Japan’s Age of Battles: 1550-1615. The author is Tod Kershner, who is the designer of popular and established wargames rules including Warfare in the Age of Reason, Age of Discovery, Age of Napoleon, Pig Wars, A Firebell in the Night and Iroquois Terror.
Kershner is a friend of mine, and I have long enjoyed playing in his games.
Andy Watkins offers a set of free wargames rules for the Wars of the Roses.