Mudgrunt is a set of free wargames rules for medieval skirmishes. The rules are based on the Stargrunt II science fiction rules set.
Miniatures Rules
One Page Fleets Starship Combat
One Page Fleet is Mike Wikan’s set of free wargames rules for starship combat.
Very Civile Actions
Very Civile Actions is a set of free wargames rules for the English Civil War. Like all games from Perfect Captain, this is very professionally done.
Scottish Rebellion Reules
From Ebob miniatures, a set of miniature wargaming skirmish rules for the Scottish Rebellion of William Wallace in 1297 called Rebellion
Feudal Warfare
Wes Rogers offers set of free wargames rules called Feudal Warfare, described as a “fairly simple set” of convention rules.