Patrick Todoroff offers Firefight 2050, a set of rules for 1/72 figures in a near future setting.
skirmish
My Kingdom For Horse Free Medieval Rules
Ian Hopping offers My Kingdom For A Horse, a set of free wargames skirmish rules for the dark ages and medieval periods.
Celtic Skirmish Game
From Warspawn Games: Celtic Skirmish, a combination miniatures / board game.
Extra Terrae Crepusculum Fantasy Skirmish Game
Crunch Waffle Games offers Extra Terrae Crepusculum, a free fantasy skirmish wargame designed to allow you to use miniatures from any other game system or line. Crunch Waffle is of course, a miniatures company and surely hopes that this will spur sales. It’s a great idea. I’ve long thought that miniatures companies should give away their rules to sell the miniatures — sort of the Gillette theory of game sales: give away the handle and charge them for the blades.
Breaking News Modern Skirmish Rules
Italian wargames magazine Dadi&Piombo (Dice and Lead) is offering a free set of modern skirmish wargames rules called Breaking News