Valherjar: The Chosen Slain sounds horrifyingly like a roleplaying idea I thought of (and ran twice in cons).
Wushu Open is an updated version of Dan Bayn’s action roleplaying system, released under a creative commons license. I really liked the original version, and it looks like this version includes some improvements to make it clearer how exactly to play a game where the players determine what happens before anyone even rolls their dice…