PDQ stands for Prose Descriptive Qualities, and is an innovative RPG system from Atomic Sock Monkey Games. I think there are some ideas here that could be lifted for a character driven miniatures game.
Merlin Rouge
Merlin Rouge is a fantasy supplement for the You Are Still My Lord Wars of the Roses rules. Both rules sets at the link.
World Of Gainar Fantasy Role Playing System
The World Of Gainar is a massive work — a complete RPG system set in a post-apocalypse fantasy world. This is no Gamma World, however. From my reading, it seems to be more of a traditional fantasy — with dwarves and elves (fey), swords and shields, but also with gunpowder and steam tech. For those who just want the background, there’s a stripped down version that’s just the world book.
Panzer Gruppe WWII Rules
Panzer Gruppe is a set of free wargames rules for corps/army sized battles in World War II.
I Shall Call You My Lord Rules
I Shall Call You My Lord is a set of free wargames rules for the Wars of the Roses