New Planetouched Races. Specific planetouched races for Ysgard, Acheron, Elysium, The Grey Waste, The Outlands, Pandemonium, Carceri, Bytopia and the Beastlands.
Arcane Magic
A new system for Arcane Magic in D&D, including a sorcerer and wizard base class, several new spells and feats.
Findelwald's Diseases of the Planes
The Journal of Findelwald Tungsten, Planar Explorer and Magister of Applied Pathology, in his quest to find, get infected with, cure and describe the most interesting diseases on the planes.
Etherworld
My homebrew campaign setting. The prime material was destroyed by incomprehensible forces from outside reality, and a thousand years later, survivors in the Aether are rebuilding civilization.