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 […]

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 […]

  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 […]

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 […]

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 […]

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.

Waracle turns bold ideas into digital products used by millions of people around the world. With more than 15 years of experience in technology, the company expanded its presence to Bulgaria in 2025 with the acquisition of HackSoft. Today the Sofia team is growing and building innovative solutions with global impact.

The countdown is on! The full schedule of presentations and hands-on workshops is officially live. Start planning your weekend and check out this year’s awesome lineup: 👉 OpenFest 2026 Full Schedule 👕 IMPORTANT: Merch pre-orders close TOMORROW, October 30th (Friday)! Don’t miss your chance to grab an official t-shirt or hoodie. Hoodies are available strictly […]

OpenFest 2026 is just 3 weeks away – we look forward to seeing you on November 7 and 8 at Interpred. What’s coming up The schedule is published at https://www.openfest.org/2026/en/full-schedule/. Some of this year’s highlights: Bozhidar Bozhanov will show how social media can be restricted for children without breaking the Internet; Stanimira Zhelezova will talk […]

Traditionally, every year we publish a link where you can vote on which of the lectures you want to see at OpenFest as a help information for the program committee. You can see the submitted proposals at https://cfp.openfest.org/openfest-2026/p/halfnarp/ and tell what would be interesting to you.

👕 Order your t-shirt or hoodie online now, pay on-site at the reception. Important: Reserved t-shirts and hoodies are only held until 1:00 PM on Sunday (November 8th). Don’t forget your order number from the email! We accept cash and card payments on-site. ➡️ Order here: https://shop.initlab.org/

The future is TBD. We support the people building it. On November 7 and 8, at the Interpred center, OpenFest will once again bring together the Bulgarian community dedicated to free software, open source, and shared knowledge. We live in times of rapid change and countless ready-made predictions. OpenFest chooses an honest starting point: we […]

With a little delay and great pleasure, we announce the dates for OpenFest 2026 – November 7 and 8, 2026. The event will be held at the Interpred Convention Center, 36 Dragan Tsankov Street. This year’s motto is “TBD”, which can be translated as “to be discussed” or “to be decided”. You’ve probably come across […]