CORPS - BTRC On-line Catalog. A six attribute, 1d10-based system for any sort of campaign based on human norms or alternate worlds. So, while it can handle mages, psychics and mercenaries, it doesn't handle giant robots, powerful superheroes and city-stomping monsters.
CORPS - Review of diceless conspiracy roleplaying game from Politically Incorrect Games.
Corps / Kult Conversion Rules - Converting the dark horror setting to the omniversal system. From Eric Growen's "My Personal Purgatory" pages.
Crises in Infinite Worlds Articles - CORPS resources: melee weapon writeups, converting from GURPS and Hero, spells and monster writeups. John McMullen.
Stuff for CORPS - Writeups for vehicles, 1ed NPCs, Barbara Hambly's "Dark", Warhammer races, a few variant rules. Bertil Jonell.