Dino Hunt is exactly what the title says: a set of dinosaur hunting rules for 25mm – 28mm figures. Some of the dinos in that scale have to be huge.
EGBZine is an online archive of more than 10,000 pages of Edgar Rice Burroughs goodness — stories, articles, art and more. If you’re contemplating (as I am) a John Carter of Mars game, this is a good place to start.
Classic Battletech is a free 24 page set of rules for playing the original game of giant robots on hex maps.
Full Thrust Cross Dimensions is a Full Thrust rules variant. It brings together rules from the various books and tries out some new ideas.
Hostile Stars is a set of free wargames rules for fighting fleet actions in the Dark Realms universe.