Rudi Geudens has written a modification of Richard Borg’s Battlecry game for miniatures. You need a set of the original rules to play, though.
North Against South is a set of free wargames rules for civil war battles. It’s based on the boardgame Battle Cry by Richard Borg.
Here’s an English Civil War variant of the Command and Colors rules. You’ll also need the Command and Colors: Napoleonics rules, which are freely available on the GMT Games website.