https://www.openfest.org/2017/en/2017/09/13/da-fest-2017-2/ 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. Wed, 13 Sep 2017 04:27:53 +0000 hourly 1 https://wordpress.org/?v=5.2.20