Hex Command Mechanized is a set of free wargames rules for modern combat where each stand of infantry represents a squad.
modern
Phantoms Modern Air Combat Game
Phantoms is advertised as a quick and easy air combat game covering the period 1960 to the present.
NATO Brigade Commander Rules
Tim Gow offers a set of free wargames rules called “NATO Brigade Commander”. The ground scale is 1 hex=1 km and a stand is a company.
Wealth Manager Card Game
Wealth Manager is a free DIY card game about increasing net worth and earnings potential.
Typhoon Modern Jet Combat
Typhoon is a set of free wargames rules for modern jet combat. From the author:
Typhoon is an introductory set of modern jet combat rules that does not require hex mats or any special flight stands for miniatures. It is designed as a quick playing, low complexity game for gamers who are interested in flying multiple aircraft with aircraft from the late 70s up to the Eurofighter and F-35.