Seven Years Warmaster is an adaptation of Games Workshop’s Warmaster rules for the Seven Years War.
Fast Play Rules For The Seven Years War is a set of free wagames rules for mid 18th century games.
Fusilier is a set of free wargames rules for the the flintlock era.
The author writes:
The Flintlock Era
Fusilier is a wargames system designed for the period 1700 to 1815.
The system is designed to be used with any scale of figures. There is no formal figure scale, the unit sizes being dictated by the base sizes, which in turn are based on the frontages of the prototype units. An infantry battalion might be, for example, ten 25mm figures, twenty 15mm figures or fifty 5 mm figures. The ground scale is 1 mm = 1 metre
The Fast Play Rules for the Seven Years War. The author writes:
These are fast play rules for mid-18th century battles with 15 mm figures, the focus is on playability. They are ideal for campaingnplay, where you would want to finish the battle in one or maximum two hours. They are not suited for historical refights.
Minden Rose is a set of free wargames rules for playing Seven Years War battles. It is designed for 25mm or 15mm figures.