https://www.openfest.org/2017/en/2017/10/31/extending-cars/ 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. Tue, 31 Oct 2017 17:25:10 +0000 hourly 1 https://wordpress.org/?v=5.2.20