https://www.openfest.org/2017/en/2017/10/11/the-first-speakers-at-openfest-2017/ 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. Mon, 16 Oct 2017 19:16:49 +0000 hourly 1 https://wordpress.org/?v=5.2.20