Quick and Easy Games has made Star Run, their sci-fi RPG system, free to download from their website. Why not go check it out?
From the release:
Quick and Easy Games is now giving away their flagship RPG, Star Run, as a PDF download. The space opera game that inspired the novel Tales of The Screaming Eagle is a fast moving, star spanning adventure! This offer is ONLY for the month of Augusts 2014. Just go to the website at quickandeasygames.wordpress.com and double click on the icon in the catalog page.