Half-Golem: Refluffed Reborn or Warforged.
Karakuri/Automaton: Refluffed Gearforged from Tome of Heroes by Kobold Press. Each of the four chassis represents different configurations.
Kitsune: Refluffed Elf or Half-Elf. (Can't figure out the method to do the Tails though in a way that I like)
Dragonlance Draconians: Yup-Refluffed Dragonborn.
Wolf PC ala Great Wolf Sif: Refluffed Dog pc option from Animal Adventures.
Shulassakar: Well, refluffed Lawful Good Yuan-Ti seemed like a good idea, but Keith Baker says that apparently refluffed Assimar would fit better.
Psurlon PC: Refluffed Kalashtar.
Ixbian (Goat Men): Refluffed Minotaur.
Modron: Refluffed Glitchling or Refluffed Autognome.
Xixchili: Refluffed Thri-Kreen.
Half-Giant: Refluffed Goliath
Oni: Refluffed Firbolg or Orc (depending on if you're going Ogre Mage/Physical style of Oni)
Fey'ri: As somebody mentioned before in this post, refluffed Tiefling.
Tanarukk: Refluffed Orc
Merrow: Refluffed Merfolk.
Reigar: Refluffed Assimar.
Duhallan: Refluffed Hexblood or ????
Bullywug/Grippli: Refluffed Grung.
Harpy: Refluffed Siren from Odyssey of The Dragonlords.