Open Source Day

Last updated
Open Source Day Conference logo Open Source Day Conference logo.png
Open Source Day Conference logo

Open Source Day is an international conference gathering fans of open solutions from Central and Eastern Europe. Mission of the event is to introduce open source solutions to Polish public and business institutions and popularize it as a secure, efficient, cost saving alternative to proprietary software. [1] The conference has taken place in Warsaw since its beginning in 2007. Participants are mainly managers, developers, technical officers of public, banking, and insurance industries.

Contents

The conference has become a platform for exchanging experience, contacts and use cases of open source solutions in fields of: virtualization, cloud computing, database, big data, Information security.

Promotion of Open Source software

Founders of the conference believe that by making open software popular they might initialize local communities as well as give start to small businesses in Poland which would provide support and develop open source solutions locally. Due to its role in promoting Open Source software in wider business and public applications, the Open Source Day Conference won support from public administration and were operated under the auspices of: Ministry of Education, Ministry of Administration and Digitization, [2] Ministry of Economy [3] and European Commission as well.

History

More than 400 participants registered for the 3rd Open Source Day in 2010 Open Source Day 2010 Registration.jpg
More than 400 participants registered for the 3rd Open Source Day in 2010

Open Source Day was launched in 2007 by a handful of open source enthusiasts. They wanted to inform the public about the opportunities open software provides for market. Initial event drew only a moderate number of participants. Since then however each consecutive edition the event has grown in scope of subjects as well as the size of auditorium.

Open Source Day 2008

The first full-fledged conference of Open Source Day took place on 9 April in Radisson SAS Hotel, Warsaw. Seven sessions were organized on different open source successful implementations in public administration: French project Copernic, city administration of Vienna and Swedish Police. Technical presentation were dealing with open source project: Xen, SELinux (Security Enhanced Linux), Metamatrix and SOA. [4] [5] [6]

Open Source Day 2009

Deputy Prime Minister, Minister of Economy, Waldemar Pawlak having a keynote during the 3rd Open Source Day Deputy Prime Minister Waldemar Pawlak at Open Source Day 2010.jpg
Deputy Prime Minister, Minister of Economy, Waldemar Pawlak having a keynote during the 3rd Open Source Day

The 2nd Open Source Day Conference took place on 6 May 2009 in the Radisson Blu Sobieski Hotel in Warsaw. 350 attendees participated. The event was supported by main technological partners Red Hat and IBM. Technical sessions covered: enterprise-class Linux distributions, virtualization, application servers and SOA platforms as well. [7] [8] [9]

Open Source Day 2010

The 3rd Open Source Day Conference came about on 12 May 2010 in the Palace of Culture and Science in Warsaw. The event gathered 400 guests and was supported by 12 technology vendors and 5 media partners. Polish Deputy Prime Minister Waldemar Pawlak had an opening keynote focusing on the major impact of Open Source on the IT market as a competitive alternative to proprietary solutions and reiterating an opportunity for the Polish IT professionals in deepening its participation in the world-wide IT revolution. [10] [11] Open Source trends were discussed from the point of view of Red Hat by its Vice President Werner Knoblich. During consecutive sessions latest updates about Open Source technologies were presented: middleware: JBoss, RDBMS: PostgreSQL/EnterpriseDB and MySQL as well as Alfresco (software) and Zimbra. [12]

Open Source Day 2011

Nearly 500 attendees in the Main Hall during the 4th Open Source Day Conference in the Palace of Culture and Science in 2011 Open Source Day 2011 Audience.jpg
Nearly 500 attendees in the Main Hall during the 4th Open Source Day Conference in the Palace of Culture and Science in 2011

The 4th Open Source Day Conference followed on 22 March 2011 in the Palace of Culture and Science in Warsaw. 500-strong audience arrived. The organization of the event was a performed with the help of 11 technology vendors and service providers as well as 6 media partners. The conference was under the auspices of Ministry of Education. Opening keynotes were provided by Red Hat, EnterpriseDB and Zarafa Vice Presidents. Technical sessions presented latest news from the area of OS Linux, databases, ESB, scalability, monitoring and IT security. [13] [14]

Open Source Day 2012

More than 500 attendees registered for the 5th Open Source Day Conference in Palace of Culture and Science in 2012 Open Source Day 2012 Registration.jpg
More than 500 attendees registered for the 5th Open Source Day Conference in Palace of Culture and Science in 2012

The 5th Open Source Day Conference took place on 8 May 2012 once again in the Palace of Culture and Science. More than 500 guests attended while 14 technology partners provided support to make the event happen. [15] The conference performed under the auspices of the European Commission and Ministry of Administration and Digitization. [16] Opening keynotes were introduced by the representatives of: European Commission, Hewlett Packard, Red Hat and Linux Polska. Technical sessions focused that year on: Enterprise Content Management. It was the first time Big data aspects were discussed, especially in terms of storage capabilities, distributed processing and caching and data virtualization.

Polish Minister of Administration and Digitization, Michal Boni, having the opening keynote at the 6th Open Source Day Conference in Sheraton Warszawa Minister Michal Boni at Open Source Day 2013.jpg
Polish Minister of Administration and Digitization, Michał Boni, having the opening keynote at the 6th Open Source Day Conference in Sheraton Warszawa

Open Source Day 2013

The 6th Open Source Day Conference happened on 14 May 2013 this time in the Sheraton Warszawa hotel. 600 audience participated on-site while 1500 watched the event on-line. 9 technology partners supported the event while 5 media partners covered the proceedings. Polish Ministry of Administration and Digitization offered official patronage for the conference. The opening keynote was performed by Michał Boni, Minister of Administration and Digitization and covered the ever growing need for open standards and the opportunities Open Source is providing for Polish IT professionals and entrepreneurs. [17] [18]

600 strong audience listening to a keynote session during the 6th Open Source Day Open Source Day 2013 Keynote Session.jpg
600 strong audience listening to a keynote session during the 6th Open Source Day

Open Source Day 2014

The 7th edition of the conference was a 2-day event on 13–14 May 2014 in Marriott Warszawa Hotel. 20 IT vendors and service providers help in organization, providing financing and content while 10 media partners offer news coverage. [19] [20] [21] [22]

More than 700 attendees listening to keynotes on the opening session of the Open Source 2014 Day in Warsaw 700 attendees in the Main Hall listen to a keynote OSD 2014.jpg
More than 700 attendees listening to keynotes on the opening session of the Open Source 2014 Day in Warsaw

The agenda covers 29 keynotes and lectures, 1 panel discussion and 6 bring your own device (BYOD) workshops. [23]

More than 700 attendees participated while 3000 watched the proceedings online. [24] [25] [26]

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. [27]

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 anniversary edition of Open Source Day 2017 took place on May 17 at the Marriott Warsaw. The event was held under the honorary patronage of the Ministry of Digital Affairs and the National Center for Research and Development. Partners for the 10th edition included leading technology companies such as Red Hat, Google, Microsoft, SUSE, MySQL, Docker and EnterpriseDB. Media patrons included PC Format, Warsaw Business Journal, Linux.pl, OSworld.pl, ITwiz, Mamstartup.pl, and Magazyn Programista. [28] [29]

The special guest for the 10th edition was Dariusz Jemielniak, a professor of economic sciences and an expert in open collaboration, who has lectured at institutions such as Harvard University, the University of California, and the Massachusetts Institute of Technology. Representatives of leading global technology brands also spoke during the conference, discussing the crucial role of open source in the development of modern software. [28]

The conference was opened by Dariusz Świąder, President of Linux Polska, who, together with Krzysztof Rocki, CEE Regional Director at Red Hat, summarized the 10 years of organizing the conference and its impact on the development of open-source software in Poland. Michael Isnard, Vice President of Red Hat EMEA, then spoke about supporting the digital transformation of businesses and shifting their architecture toward open-source technologies. Sascha Scholing, Sales Director at Docker, discussed the changing architecture of applications and the role of Docker containers in deploying applications in production. It is also worth mentioning the presentation by James Brayshaw, EMEA Sales Director at EnterpriseDB, who spoke about the advantages of open-source database solutions and the contribution of the Postgres community in developing holistic solutions, ready for deployment in large enterprises. [29]

Furthermore, during the lectures, participants could learn about the role of individuals and communities in creating open technologies, as well as why companies that have previously relied on closed solutions are investing in open source. There were also topics dedicated to specific technological issues, such as how open source is improving public cloud services and how to manage a large number of servers in various architectures. [28] [30] [31]

The conference agenda was complemented by technical workshops prepared by Linux Polska experts. In 2017, there were as many as 7 technical tracks on various topics, such as container orchestration with Docker Swarm and Compose, webSSO, container automation with Docker and Ansible, container orchestration with OpenShift, container orchestration with Kubernetes, JBoss on the OpenShift platform, and collecting and analyzing logs from containerized applications. [28] [29]

The 2017 Open Source Day edition gathered over 800 participants and around 3000 online viewers. More than 300 people took part in the technology workshops led by Linux Polska experts. [28] [29]

Open Source Day 2018

The 11th edition of Open Source Day took place on May 23 at the Marriott Warsaw and gathered over 800 participants. The honorary patrons of the Open Source Day 2018 conference were the Ministry of Investment and Development, the Ministry of Entrepreneurship and Technology, and the National Center for Research and Development. Companies such as Red Hat, EnterpriseDB, Oracle, Zabbix, Emca, and MySQL joined the group of partners for the 11th edition of the event. [32] [33]

In turn, media patronage for the event was provided by editorial teams of TOK FM, Warsaw Business Journal, Magazyn Programista, ITWiZ, IT Reseller, Reseller News, Mamstartup.pl, and Dziennik Internautów. [33] [34]

The event was inaugurated by the President of Linux Polska - Dariusz Świąder, accompanied by Krzysztof Rocki, Senior Regional Manager CEE at Red Hat. Immediately afterwards, a special guest – Krzysztof Dyki, Member of the Board of ZUS supervising the Operations and Systems Exploitation Division, spoke about the potential of Open Source solutions in the public sector, using the example of the institution he represents. The next item on the agenda was a keynote session titled “Your Future is Built on What You Do Today”. The host of this session was Werner Knoblich, Senior Vice President and General Manager, Red Hat, EMEA. [32]

The culmination of the main part of the conference was the presentation of awards for innovative use of Open Source technology in the public and enterprise sectors. Winners:

What distinguished Open Source Day in 2018 was the particular emphasis on sharing knowledge in the form of practical technical sessions. Conference participants could choose from 18 technical sessions conducted within 7 thematic blocks: DevOps and Automation, Security, Application and Development, Data Science, IoT, Machine Learning and Artificial Intelligence, Monitoring, Management, Compliance, Database, Education. [35] [36]

Among them, there were, of course, workshops conducted by Linux Polska experts: [32]

Open Source Day 2019

The 12th edition of Open Source Day took place on May 14, 2019, at the Józef Piłsudski Legia Stadium. The conference was supported by the honorary patronage of the Ministry of Digital Affairs, the Ministry of Investment and Development, the Ministry of Entrepreneurship and Technology, and the National Center for Research and Development. Meanwhile, the media patrons of Open Source Day 2019 included the editorial offices of TOK FM, Warsaw Business Journal, Infor.pl, Egospodarka.pl, PC Format, CD Action, Magazyn Programista, ITWiZ, IT Reseller, Dziennik Internautów, OSworld.pl, Linux.pl, and Linux Magazine Polska. [37] [38] [39]

Among the partners of the 12th edition were companies such as Red Hat, EnterpriseDB, Microsoft, MySQL, Oracle, Sysdig, Zabbix, and Aplitt. [37] [39]

The conference was opened by Dariusz Świąder, President of Linux Polska. Among the keynote speakers were, among others, Adam Wojtkowski, Regional General Manager CEE at Red Hat, and Jan Karremans, Director of Sales Engineering EMEA at EnterpriseDB. [40]

Participants of the 12th edition of OSD had 9 technical sessions divided into 3 thematic blocks, dedicated to the most important and current directions of IT industry development. Among the discussed topics were subjects such as: containerization, automation, virtualization, cloud computing, security and monitoring of IT infrastructure, and the development of Open Source software. [41]

Traditionally, the conference program also included technical workshops led by the best industry experts. The organizers of the meeting, representatives of Linux Polska, keynote speakers, and invited guests all agreed on one issue – Open Source technology is the engine of global economic development, but open solutions are increasingly becoming an essential element in the development of Polish enterprises. [40]

See also

Related Research Articles

<span class="mw-page-title-main">Bruce Perens</span> American computer scientist

Bruce Perens is an American computer programmer and advocate in the free software movement. He created The Open Source Definition and published the first formal announcement and manifesto of open source. He co-founded the Open Source Initiative (OSI) with Eric S. Raymond.

<span class="mw-page-title-main">Red Hat</span> Computing services company

Red Hat, Inc. is an American software company that provides open source software products to enterprises and is a subsidiary of IBM. Founded in 1993, Red Hat has its corporate headquarters in Raleigh-Durham, North Carolina, with other offices worldwide.

<span class="mw-page-title-main">Michael Tiemann</span> American executive, software developer, and open source proponent

Michael Tiemann is an American software developer and executive, serving as vice president of open source affairs at Red Hat, Inc., and former President of the Open Source Initiative.

The Fedora Project is an independent project to co-ordinate the development of Fedora Linux, a Linux-based operating system, operating with the vision of "a world where everyone benefits from free and open source software built by inclusive, welcoming, and open-minded communities." The project's mission statement is to create "an innovative platform for hardware, clouds, and containers that enables software developers and community members to build tailored solutions for their users". The project also oversees Extra Packages for Enterprise Linux, a special interest group which maintains the eponymous packages. The project was founded in 2003 as a result of a merger between the Red Hat Linux (RHL) and Fedora Linux projects. It is sponsored by Red Hat primarily, but its employees make up only 35% of project contributors, and most of the over 2,000 contributors are unaffiliated members of the community.

<span class="mw-page-title-main">Red Hat Enterprise Linux</span> Linux distribution developed by Red Hat

Red Hat Enterprise Linux (RHEL) is a commercial open-source Linux distribution developed by Red Hat for the commercial market. Red Hat Enterprise Linux is released in server versions for x86-64, Power ISA, ARM64, and IBM Z and a desktop version for x86-64. Fedora Linux and CentOS Stream serve as its upstream sources. All of Red Hat's official support and training, together with the Red Hat Certification Program, focuses on the Red Hat Enterprise Linux platform.

<span class="mw-page-title-main">LinuxTag</span> Defunct German annual open-source conference

LinuxTag was an annual Free and Open Source Software (FOSS) conference and exposition with an emphasis on Linux but also BSD descendants located in Germany. The name is a compound with the German Tag meaning "Day", as it was initially a single day conference, but soon extended to multiple days, then always including a weekend. LinuxTag was the world's largest FLOSS conference and exhibition for years and aimed to provide a comprehensive overview of the Linux and Free Software market as well to promote contacts between users and developers. With this broad approach LinuxTag was one of the most important events of this kind.

<span class="mw-page-title-main">Red Hat Enterprise Linux derivatives</span>

Red Hat Enterprise Linux derivatives are Linux distributions that are based on the Red Hat Enterprise Linux (RHEL) Linux distribution.

<span class="mw-page-title-main">SipXecs</span>

SipXecs is a free software enterprise communications system. It was initially developed by Pingtel Corporation in 2003 as a voice over IP telephony server located in Boston, MA. The server was later extended with additional collaboration capabilities as part of the SIPfoundry project. Since its extension, sipXecs now acts as a software implementation of the Session Initiation Protocol (SIP), making it a full IP-based communications system.

<span class="mw-page-title-main">LinuxWorld Conference and Expo</span>

LinuxWorld Conference and Expo was a conference and trade show that focused on open source and Linux solutions in the information technology sector. It ran from 1998 to 2009, in venues around the world.

EnterpriseDB (EDB), a privately held company based in Massachusetts, provides software and services based on the open-source database PostgreSQL, and is one of the largest contributors to Postgres. EDB develops and integrates performance, security, and manageability enhancements into Postgres to support enterprise-class workloads. EDB has also developed database compatibility for Oracle to facilitate the migration of workloads from Oracle to EDB Postgres and to support the operation of many Oracle workloads on EDB Postgres.

<span class="mw-page-title-main">Oracle Linux</span> Linux distribution by Oracle

Oracle Linux is a Linux distribution packaged and freely distributed by Oracle, available partially under the GNU General Public License since late 2006. It is compiled from Red Hat Enterprise Linux (RHEL) source code, replacing Red Hat branding with Oracle's. It is also used by Oracle Cloud and Oracle Engineered Systems such as Oracle Exadata and others.

LinuxFest Northwest is an annual technology conference and expo held in Bellingham, Washington. It is a Saturday and Sunday weekend event held in late April or early May. The event is dedicated to discussion and development of the Linux operating system and other free and open-source software projects.

<span class="mw-page-title-main">Ksplice</span> Live patch extension for the Linux kernel

Ksplice is an open-source extension of the Linux kernel that allows security patches to be applied to a running kernel without the need for reboots, avoiding downtimes and improving availability. Ksplice supports only the patches that do not make significant semantic changes to kernel's data structures.

Sam Greenblatt was the chief technology office and architecture (CTO) in the Enterprise Solution Group of the Dell Corporation. Prior he was Chief Technology Officer for webOS and its technical strategy and project at Hewlett-Packard Prior to that he was in charge of Enterprise Business Solutions architecture as the CTO, previously CTO for HP.com and CTO for the LaserJet Enterprise Solutions group and General Manager of Core Technologies IPG within Hewlett-Packard's Imaging and Printing Group. He also ran the Core Technology Group which is responsible all software within both LaserJet and Inkjet Technology. Greenblatt spearheaded HP's move into alliance partnerships with Adobe and Microsoft by transitioning internal developed software to partner software. He has transformed HP's IPG software development process by moving them to Agile software development, metrics-based testing, and joint quality programs with customer support and external partners to increase IPG market share through usability and quality.

Polish Grid Infrastructure PL-Grid, a nationwide computing structure, built in 2009-2011, under the scientific project PL-Grid – Polish Infrastructure for Supporting Computational Science in the European Research Space. Its purpose was to enable scientific research based on advanced computer simulations and large-scale computations using the computer clusters, and to provide convenient access to the computer resources for research teams, also outside the communities, in which the high performance computing centers operate.

<span class="mw-page-title-main">CopyCamp</span>

CopyCamp is an international conference devoted to copyright, organized in Warsaw by the Modern Poland Foundation. Representatives of cultural institutions, the media, creative sectors, academic, legal, political and non-governmental circles gather annually to discuss the influence of copyright on the circulation of cultural goods and social changes taking place all over the world.

<span class="mw-page-title-main">DevConf.cz</span>

DevConf.cz is an annual, free, Red Hat sponsored community conference for developers, admins, DevOps engineers, testers, documentation writers and other contributors to open source technologies. The conference includes topics on Linux, Middleware, Virtualization, Storage and Cloud. At DevConf.cz, FLOSS communities sync, share, and hack on upstream projects together in the city of Brno, Czech Republic.

<span class="mw-page-title-main">Collabora Online</span> Online office suite based on LibreOffice

Collabora Online is an open source online office suite built on LibreOffice technology, enabling web-based collaborative real-time editing of word processing documents, spreadsheets, presentations, and vector graphics. Optional apps are available for desktops, laptops, tablets, smartphones, and Chromebooks.

References

  1. ↑ "Idea of Open Source Day". opensourceday.pl. 2012. Archived from the original on 2013-04-28.
  2. ↑ "Patronages of Ministry of Administration and Digitization" (in Polish). Archived from the original on 2014-05-06.
  3. ↑ "Zbliża się Open Source Day 2014". Dziennik Internautów (in Polish). 2014-04-26.
  4. ↑ "Open Source Day 2008". OSWorld.pl (in Polish).
  5. ↑ "Open Source Day 2008 - Agenda". Unixy.pl (in Polish). Archived from the original on 2014-05-07.
  6. ↑ "Open Source Day 2008" (in Polish). IDG. Archived from the original on 2015-09-24.
  7. ↑ "Red Hat Open Source Day 2009". Computerworld.
  8. ↑ "Red Hat Open Source Day 2009 - IT w Administracji". www.itwadministracji.pl. Archived from the original on 2014-05-06.
  9. ↑ "Red Hat Open Source Day 2009 | OSWorld.pl". 9 April 2009.
  10. ↑ "Wsparcie bezpieczeństwa dla Debiana 7 Wheezy przekazane do zespołu LTS" [Security support for Debian 7 Wheezy transferred to the LTS team]. Linux.PL (in Polish). Archived from the original on 2016-09-11.
  11. ↑ OSWorld http://osworld.pl/open-source-day-online-2010/
  12. ↑ http://archiwum.opensourceday.pl/pl/3,agenda
  13. ↑ DobreProgramy.pl http://www.dobreprogramy.pl/Open-Source-Day-2011-juz-w-marcu,News,23390.html
  14. ↑ Komputer Świat http://www.komputerswiat.pl/nowosci/wydarzenia/2011/08/open-source-day-2011.aspx
  15. ↑ OSWorld, Aktualności http://osworld.pl/open-source-day-2012/
  16. ↑ "Open Source Day 2012 - Open Source Day - opensourceday.pl". Archived from the original on 2014-05-07. Retrieved 2014-05-06.
  17. ↑ Mariusz Gibki, MarGib blog, 15 maja 2013 http://margib.blogspot.com/2013/05/open-source-day-2013-swietna.html
  18. ↑ DobreProgramy.pl http://www.dobreprogramy.pl/Open-Source-Day-2013-jutro-bedzie-mozna-ogladac-w-Sieci,News,41091.html
  19. ↑ "Open Source Day 2014 już w maju w Warszawie - Inwestycje.pl". Archived from the original on 2014-05-06. Retrieved 2014-05-06.
  20. ↑ Europejskie Towarzystwo Informatyczne, Wiadomości ze świata Open Source http://www.eti.org.pl/ Archived 2014-05-07 at the Wayback Machine
  21. ↑ Aktualności Biz24.net http://biz-24.net/start/41448-open-source-day-2014-juz-w-maju-w-warszawie.html
  22. ↑ "Open Source Day 2014 już w maju w Warszawie | Biznesfeed - Biznesowy przegląd prasy". Archived from the original on 2014-05-07. Retrieved 2014-05-06.
  23. ↑ "Open Source Day 2020". opensourceday.pl.
  24. ↑ IPO.pl 17.05.2014 http://www.ipo.pl/przeglad-prasy/post/zakonczyl-sie-open-source-day-2014/ Archived 2015-09-24 at the Wayback Machine
  25. ↑ 24 PR.pl 16.05.2014 http://24pr.pl/2014/05/zakonczyl-sie-open-source-day-2014/ Archived 2016-03-03 at the Wayback Machine
  26. ↑ Komputer Świat 16.05.2014 http://www.komputerswiat.pl/nowosci/wydarzenia/2014/20/open-source-day-2014-relacja-z-konferencji.aspx
  27. ↑ OSD 2015 Conference Program, opensourceday.com, 2015, http://opensourceday.com/osd-2015/agenda
  28. 1 2 3 4 5 Bednarczyk, Arkadiusz (2017-05-05). "Open Source Day 2017 za niecałe dwa tygodnie". Linux.pl (in Polish). Retrieved 2023-05-04.
  29. 1 2 3 4 Polska, Linux (2017-06-11). "Open Source Day 2017 – relacja z konferencji". Linux Polska (in Polish). Retrieved 2023-05-04.
  30. ↑ "Konferencja Open Source Day 2017: dlaczego firmy wybierają wolne oprogramowanie? - Gospodarka - polskieradio24.pl". polskieradio24.pl (in Polish). Retrieved 2023-05-04.
  31. ↑ "Konferencja Open Source Day 2017: dlaczego firmy wybierają wolne oprogramowanie?". reportaz.polskieradio.pl. Retrieved 2023-05-04.
  32. 1 2 3 4 5 Polska, Linux (2018-06-05). "Relacja z Open Source Day 2018". Linux Polska (in Polish). Retrieved 2023-05-04.
  33. 1 2 "Open Source Day 2018". opensourceday.com. Retrieved 2023-05-04.
  34. ↑ "Open Source Day 2018". Signs.pl - Polska Reklama i Poligrafia (in Polish). Retrieved 2023-05-04.
  35. ↑ Bednarczyk, Arkadiusz (2018-03-15). "11. Konferencja Open Source Day – największe w Europie Środkowo-Wschodniej wydarzenie dedykowane otwartym technologiom już w maju w Warszawie". Linux.pl (in Polish). Retrieved 2023-05-04.
  36. ↑ "Magazyn Programista | 11. Konferencja Open Source Day". programistamag.pl. Retrieved 2023-05-04.
  37. 1 2 "Open Source Day 2019". opensourceday.com. Retrieved 2023-05-05.
  38. ↑ "Open Source Day 2019". mojafirma.infor.pl. Retrieved 2023-05-05.
  39. 1 2 Bednarczyk, Arkadiusz (2019-05-10). "Open Source Day 2019 już 14 maja. Co w agendzie?". Linux.pl (in Polish). Retrieved 2023-05-05.
  40. 1 2 Polska, Linux (2019-06-06). "Otwarte rozwiązania dźwignią dla rozwoju polskiego biznesu. Za nami 12. edycjakonferencji Open Source Day". Linux Polska (in Polish). Retrieved 2023-05-05.
  41. ↑ "Tegoroczna edycja konferencji Open Source Day już 14 maja". ITwiz (in Polish). 2019-05-10. Retrieved 2023-05-05.
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.