Kyberia
Kyberia is a social network founded in Slovak Republic in 2001 which later forked into Czech cyberspace. Kyberia.sk was awarded one of the main prizes of the best Slovak web competition in 2007 In 2013 an application of both kyberia.sk and kyberia.cz was awarded an honorary mention in the Digital Communities category of Prix Ars Electronica primarily for their tentatives to implement Parallel Democracy Model. Its source code is freely available on GitHub under AGPL licence.