OpenFest is conference for open culture, free and open software and knowledge sharing.

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Merkle – Truth in Data. Proof in Performance.

Merkle is a leading data-driven customer experience management company (CXM) that delivers unique, personalized customer experiences across the entire customer journey. Furthermore, Merkle is part of Dentsu – one of the world’s largest agency networks – giving them more leverage and recourses. Merkle’s mission is to help its clients better serve their customers. In Bulgaria […]

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Which Lectures and Workshops You’d Like to Visit at OpenFest 2022

The deadline for accepting proposals for lectures and workshops has already passed and now we have the tough task of preparing the program for OpenFest 2022. There is only one reason for this – all submitted proposals are interesting and worth seeing. Help us prepare the program by selecting those lectures and workshops you would […]

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SAP Supports OpenFest 2022

“Build bridges, not silos” is one of our core values at SAP, and it’s what we recognize in the open-source topic — the more we share, the more able we’re to grow together. That is why we’re an active contributor, user and creator of open-source software, and we’re happy to have the opportunity to support […]

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HALO Diagnostics – Easy Access to Modern Diagnostics

HALO Diagnostics is a fast-growing technological company which delivers life-saving radiology solutions. The company offers unprecedented results where the patients always come first. HALO is working on innovative solutions in the area of Mobile and SaaS technologies, AI as well as genome based modern diagnostics.  The company’s mission is Saving Lives with Precision Diagnostics via easy […]

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Apply to Become a Volunteer

Have you been following the OpenFest editions over the years, or is this the first time you come across this conference’s website? Do you have free time on or before the weekend of October 15th and 16th? In that case, you have the opportunity to become a volunteer. 🚀 Fill out the following form and […]

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CFP – New Deadline, September 12th

For those of you who couldn’t submit your lecture or workshop proposals by September 1st, we have good news. The deadline is extended to September 12th. Proposals are accepted again at:

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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