Surge
Simple Universal Relative Gaming Environment¸ "all the elegance of a point distribution system without the cumbersome math" [Thx to UncleBear.com] Superhelden. Merrymeeting Games. The SURGE core rules are available for free download¸ in a shareware system. The full system is advertised to be complete and universally applicable to various common roleplaying settings¸ such as superheros¸ science fiction¸ and so forth. The core rules require Adobe Acrobat (also available for free) to read.