https://www.openfest.org/2015/en/2015/11/14/the-program-committee-of-openfest-2015-and-the-making-of-the-program/ 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, 14 Nov 2015 12:19:52 +0000 hourly 1 https://wordpress.org/?v=5.2.20