Seas of Lead is a set of free wargames rules for World War II Naval games. Along with the rules are some good looking unit data cards that they made using the Magic Set Editor.
The Miniature Wargaming Editor
Making Snowy Pine Forest Bases
For Osprey Games’popular Frostgrave rules, here’s a tutorial on making snowy pine forest bases.
Red Hordes Russian Civil War Rules
Red Hordes is a set of free wargames rules for the Russian Vivil War. They’re similar to DBA/DBM.
Sandokan: The Malayan Tiger Colonial Rules
Sandokan: The Malayan Tiger is a set of free wargames rules for fast play colonial wargames set in Asia.
Star Wars Shoot Out
Star Wars Shoot Out is a set of free wargames rules for skirmishes in the Star Wars Universe.