Here are a set of houserules for Osprey Publishing’s Frostgrave.
Rules: Fantasy
Full Command Fantasy Warfare
Full Command Fantasy Warfare is a set of free wargames rules for hex-based fantasy games.
Pocket Tactics 3D Printer Game
Pocket Tactics is a free download and print on your 3D printer game.
I think this is the wave of the future.
Table Top Quidditch
Table Top Quidditch is a set of free wargames rules for playing the favorite sport of wizards.
Wilderland Middle Earth Skirmish Rules
Wilderland is a set of free wargames rules for skirmish games set in J.R.R. Tolkien’s Middle Earth.