WWII Simples is a one-page set of free wargames rules for WWII Skirmish games.
Rules: WWII
Schnell Rules For Schnell Boote!
Schnell Rules is a set of fast play rules for WW2 coastal forces.
The Devil’s Brigade
The Devil’s Brigade is a set of free wargames rules for WWII special operations games. Think “The Devil’s Brigade” or the “Dirty Dozen.”
Indo-Pakistani Campaign for Not Quite Mechanized
Chris Kemp has a mini campaign for his Not Quite Mechanized rules.
Battle of Britain Rules and Playing Pieces
The Battle of Britain is a complete strategic game for refighting the epic battle of 1940.