Ambush is a set of free wargames rules for guerrilla warfare 1960 – 2000.
14 – 18: Vistula, Verdun, Versailles
14 – 18: Vistula, Verdun, Versailles is a set of free wargames rules for playing the first World War in 2mm scale.
21st Century Skirmish Rules
21st Century Skirmish is a set of free wargames rules for modern warfare.
Advice on Basing Your Figures
Legio Wargames has a tutorial on basing your figures with wood filler, sand and other bits.
Modernish Armor Rules
Felbrig Herriot offers his Modernish Armor Rules. The author writes:
These rules came about after deciding to buy some Ultra Modern 1/285th scale models of modern tanks. I couldn’t find any simple quick play rules so after referring to Gulf war anecdotes and of course Janes recognition guides I came up with these. They are simple to use and rely on the common D6.