@eladrin My own isn't published anywhere, so far it only sees use within my circle of friends or when I take it to a local convention. Even if I had the energy to pursue publishing, I wouldn't even know where to start to put it in a generic, generally usable form. It's basically a more elaborated "Black Hack" (which is awesome, btw, and I highly recommend it both for play and customization) with talent lists and equally easy rules for vehicles, firearms and cybernetics.

Every class/archetype has a set of talents from which players choose at every level. I use it for fantasy, cyberpunk and science fiction games. The thing is, it gets custom-fit to every setting it's running in, until this specific branch is completely bonded to its setting. Ran a two-year campaign in each the "Borderlands" and "Warcraft" universes with it. Same system, wildly different talent trees and ability flavours (not to mention character sheet designs).