Main developers:
 Michael Hruby <michal.mhr@gmail.com>
 Seif Lotfy <seif@lotfy.com>
 Siegfried-Angel Gevatter Pujals <siegfried@gevatter.com>
 Rico Tzschichholz <ricotz@ubuntu.com>

Contributors:
 Christian Dywan <christian@twotoasts.de>
 Manish Sinha <manishsinha@ubuntu.com>
 Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
 Moritz Neeb <nt4u@kpvn.de>
 Stefano Candori <stefano.candori@gmail.com>
 Trever Fischer <tdfischer@fedoraproject.org>

From the Python implementation:
 Markus Korn <thekorn@gmx.de>
 Mikkel Kamstrup Erlandsen <mikkel.kamstrup@gmail.com>

Zeitgeist development has been sponsored by:
 - Canonical Ltd.
 - Collabora Ltd.
 - GNOME Foundation
 - Google (Summer of Code)