Cog was written by Ned Batchelder (ned@nedbatchelder.com).

Contributions have been made by:

Alexander Belchenko
Anders Hovmöller
Blake Winton
Daniel Murdin
Doug Hellmann
Hugh Perkins
Jean-François Giraud
Panayiotis Gavriil
Petr Gladkiy
Phil Kirkpatrick
Ryan Santos
