Metal Perfection - a template for creatures born on Mirrodin.
True Ferocity - a simple fix for Orcs and Half-Orcs.
Monastic Magus - a spiritual successor to the Unarmed Swordsage.
Pathfinder-ish Synthesist - a simple fix making Synthesist Summoners follow polymorph rules.
Sword & Sorcery for Sneaky Scoundrels - rogue archetypes/fixes that aim to turn the rogue into a warrior/caster.