Basic and Advantage Classes are covered in the following links:
d20 Modern Classes
d20 Future Classes
Urban Arcana Classes

Advanced Classes
All advanced classes that are part of an organization and is a received benefit for been part of a larger group. See individual descriptions in the Organizations Chapter of the d20 Future Scenery. There are even restricted classesbased on race, planet of origin, government, Alliances or sex.

Advance Class (Module) Restriction

FUT = d20 Future
FPE = Future Player Companion
MOD = d20 Modern
URB = Urban Arcana


d20 Future: CODEX GALACTICA Galero