Marriott Warszawa Hotel. 20 IT vendors and service providers help in organization, providing financing and content while 10 media partners offer news coverage. The agenda covers 29 keynotes and lectures, 1 panel discussion and 6 bring your own device (BYOD) workshops. More than 700 attendees participated while 3000 watched the proceedings online. Open Source Day 2015 The 8th edition of the conference was held on 23 April 2015 in the Marriott Warsaw. The conference will be performed under the auspices of the Polish Ministry of Administration and Digitization. 16 IT vendors helped in the organization of the event, providing financing and content, while 17 media partners provided news coverage. The agenda covered 17 keynotes and lectures as well as a discussion panel. Key topics of this edition were: Cloud, IT Infrastructure and IT Security. Open Source Day 2016 The 9th edition of the conference was held on 26 April 2016 in the Marriott Warsaw. Open Source Day 2017 The 10th edition of the conference was held on 17 May 2017 in the Marriott Warsaw. Open Source Day 2018 The 11th edition of the conference was held on 23 May 2018 in the Marriott Warsaw. See also List of free-software events References External links Official web site of the Open Source Day Conference Computer-related events Computer conferences Free-software events Linux conferences Recurring events established in 2007 2007 establishments in Poland Free-software conferences