When? 7-8 November
Where? Interpred WTC Sofia
OpenFest is conference for open culture, free and open software and knowledge sharing.
OpenFest 2026 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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Merch Alert!

A reminder that all pre-ordered t-shirts and sweatshirts will be waiting for you until 13:00 on Sunday. Please pick up your orders from the reception desk before then. After 13:00, unclaimed items will go back into the general stock for sale, and we won’t be able to guarantee they’ll still be available if you come […]

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OpenFest is this weekend!

We look forward to seeing you on November 7th and 8th at Interpred for two days of lectures, workshops, and discussions. Before we meet, here are a few final reminders: Yes, the venue is new This year, OpenFest is taking place at Interpred. Even if you know the way to the festival by heart, please […]

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Thank You, StorPool Storage, for Supporting OpenFest 2026!

  StorPool Storage is one of the companies who actively support the Bulgarian open-source community. They are also among this year’s sponsors. Meet their team and participate in their games (including the traditional server challenge) at the company booth during the conference. About StorPool Storage StorPool Storage is a Bulgarian company which develops a software […]

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Thank you, Grafana Labs! – sponsor of OpenFest 2026

Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Customers, including Anthropic, Bloomberg, NVIDIA, Microsoft, and Salesforce, rely on Grafana Labs so they can see, understand, and act on all their disparate data, wherever […]

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Thank you, Schwarz Digits! – sponsor of OpenFest 2026

Schwarz Digits is the IT and digital division of Schwarz Group and offers impressive digital products and services that meet the high Europe data protection standards. With the aim of achieving the greatest possible digital sovereignty, Schwarz Digits provides the IT infrastructure and solutions for the extensive ecosystem of Schwarz Group’s companies and develops it […]

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Thank you, E-Card – sponsor of OpenFest 2026

E-Card is a Bulgarian technology company with more than 25 years of experience, behind a number of innovative digital products, including the first internet cards in Bulgaria. Today the company continues to develop software solutions, online platforms and original digital products, combining technological expertise, creativity and unconventional thinking.

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Sponsors

Partners

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Venue: Interpred, Sofia, Bulgaria