Umbral Domains: Mage
Categories
Canon Compatible
New/Revised Powers
Alternate Spheres
Spheres (version 1) - One attempt at a revised Sphere system (still in progress).
New Rotes
New/Revised merits
Other Assorted Stuff
Rules
Settings & Setting Elements
Canon Incompatible
Powers
Rules
Settings
Recommended Reading
Links
Mage Page - One of the older Mage websites out there, with a comprehensive array of topics and ideas, including both the canonical and brilliantly non-canonical.