OpenFest is conference for open culture, free and open software and knowledge sharing.
OpenFest 2025 is over, see you at the next edition.

You can give feedback in the links in the schedule or write to us at info@openfest.org.

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OpenFest 2025 After-Party

After two days packed with intensive lectures, workshops, and valuable networking, OpenFest 2025 will culminate with its traditional After-Party! We invite you to join us and celebrate the successful edition of the festival in an informal, musical atmosphere. Final Event Details The party will take place on Sunday, October 19, 2025. Start Time: We kick […]

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OpenFest 2025: Sustainability and Responsibility – Our ESG Commitment

OpenFest 2025 builds upon its commitment to the principles of ESG (Environmental, Social, and Governance). We believe that responsibility towards the community and the planet is ours. Here are the measures we are taking and how every visitor and volunteer can get involved in creating a more sustainable festival: 1. Environmental Responsibility (E) 🌳 Our […]

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Share Your Idea: Lightning Talks at OpenFest 2025

This year, OpenFest is once again giving everyone a chance to take the stage with a Lightning Talk! These are brief, 5-minute presentations that offer you the opportunity to share your project, discovery, or idea with the wider community. Registration and Deadlines: How to Sign Up: You can register for a Lightning Talk at the […]

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Milestone supports OpenFest 2025

             Milestone Systems is a leading provider of data-driven video technology software. Our portfolio comprises XProtect video management software, Arcules video surveillance as a service, and BriefCam analytics. We amplify what organizations of any size can see, do and achieve with video.  Our video technology empowers people, businesses and societies; […]

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StorPool Storage Supports OpenFest in 2025

             StorPool Storage is among the sponsors who are with us for another consecutive year, in line with its goal to support the Bulgarian open-source community. You will have the opportunity to meet their team and talk to them at the company booth during the conference. About StorPool Storage StorPool […]

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Telelink Business Services supports OpenFest2025

             Telelink Business Services is a Bulgarian-owned technology service provider, a leader in the Balkans, offering tailor-made IT solutions that serve multiple workloads in both private and public sectors. Founded in 2001, Telelink Business Services operates in 11 countries with Sofia as its headquarters, over 300 clients and a workforce of […]

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Sponsors

Partners

BulStreamipacct logoСофия Тех Парк

Venue: "John Atanasoff" forum, Sofia Tech Park, Sofia, Bulgaria

By trolleybus

Trolley busses 5 and 8 to the Sofia Tech Park stop.

Trolley bus 4 to the Aviation Square bus stop.

By bus

Bus 73, 84, 184 or 306 to the Sofia Tech Park bus stop.

Bus 305 to the Aviation Square bus stop.

Map of all routes (click to enlarge):

OpenFest map