Polish:
Kamil Les <les.kamil@gmail.com>

Russian:
Sergey Potapov <potapov.s.a@gmail.com>
Vladimir Botov <vbotov@gmail.com>
Nikoli <nikoli@lavabit.com>

Ukrainian:
Evgenij Zarutskij <Stereodinamik@gmail.com>
Igor Gritsenko <xenomorph@mail.univ.kiev.ua>

German:
Harald Becker <ralda@gmx.de>
