https://www.openfest.org/2014/en/2014/10/06/3257/ OpenFest is the only conference of its kind in Bulgaria, dedicated to open culture, free and open-source software, the free exchange of knowledge - a festival of the open culture. Sat, 18 Oct 2014 13:52:43 +0000 hourly 1 https://wordpress.org/?v=5.2.20