The Sword, The Flame, Machine Guns and Grenades is a World War II adaptation of Larry Brom’s The Sword and the Flame rule set.
The Revised Brom is a set of free wargames rules by Jay Ainsworth for wargames set in the American Civil War. They’re based on an original set of Larry Brom rule (duh). It uses a typical Brom card activation system, a random movement distance mechanism, and simultaneous fire.
Pikes and Gendarmes is a set of big battle rules that had their origin as a variant of Larry Brom’s seminal The Sword and The Flame. This is set, obviously, in the Renaissance era.
The Sword and The Pike is a renaissance variant for Larry Brom’s classic The Sword and The Flame.