Host a co-located event
Interested in hosting an event alongside Open Source Summit Europe 2026? Submit your request below.
Have questions about a co-located event? Email us at [email protected].
Civil Infrastructure Platform Mini Summit
Tuesday, 6 October
Time: 13:30 – 17:00
Location: Prague Congress Centre
Registration Cost: €25
Join us to learn how the CIP community establishes an open source base layer of industrial grade software to enable the use and implementation of software building blocks for civil infrastructure – like transportation, energy, and industry.
How to Register: Pre-registration is required. To register for Civil Infrastructure Platform Mini Summit, add it to your Open Source Summit Europe registration.
jupyter mini summit
Tuesday, 6 October
Time: 9:00 – 12:30
Location: Prague Congress Centre
Registration Cost: €25
Join us for the Jupyter Mini Summit at Open Source Summit Europe, where we’ll bring together contributors, users, and community members to connect, collaborate, and share ideas. This gathering is an opportunity to discuss the future of Project Jupyter, highlight ongoing initiatives, and explore ways to strengthen the ecosystem. Whether you’re a long-time contributor or new to the community, the Mini Summit offers a space to engage in meaningful conversations, exchange insights, and help shape what’s next for Jupyter.
How to Register: Pre-registration is required. To register for Real-Time Linux Workshop, add it to your Open Source Summit Europe registration.
The Linux Foundation Member European Forum
Tuesday, 6 October
Time: 9:00 – 18:00
Location: Prague Congress Centre
Registration Cost: Invitation Only
The Linux Foundation Member European Forum is an annual regional gathering for Linux Foundation European members interested in discussing and shaping how European organisations participate in the global technology commons.
How to Register: Participation is by invitation only. If you are interested in attending, please submit a request for an invitation. All requests will be reviewed, and you will receive an email notification once a decision has been made.
Linux Security Summit Europe
Thursday, 8 October
Time: 9:00 – 17:00
Location: Prague Congress Centre
Registration Cost: Early: €110 | Standard: €150 | Late: €175
Linux Security Summit (LSS) is a technical forum for collaboration between Linux developers, researchers, and end users with the primary aim of fostering community efforts to analyze and solve Linux security challenges.
LSS is where key Linux security community members and maintainers gather to present their work and discuss research with peers, joined by those who wish to keep up with the latest in Linux security development and who would like to provide input to the development process.
To learn more, visit the event website.
How to Register: Register for Linux Security Summit Europe as a stand alone event or add it to your Open Source Summit Europe registration.
Observability Summit Europe
Monday, 5 October
Time: 9:00 – 18:00
Location: Prague Congress Centre
Registration Cost: Early: €150 | Standard: €215 | Late: €300
Observability Summit brings together developers, operators, and business leaders who are shaping the future of open source observability. From deep-dives to hands-on workshops, every moment is curated by the community, for the community! This event will be focused on real challenges, practical solutions, and innovations driving the next era of visibility and control. This is a must attend event to help you build, scale and succeed.
To learn more, visit the event website.
How to Register: Pre-registration is required. Register for Observability Summit Europe as a stand alone event or add it to your Open Source Summit Europe registration.
OpenSSF Community Day Europe 2026
Tuesday, 6 October
Time: 9:00 – 17:00
Location: Prague Congress Centre
Registration Cost: €20
OpenSSF Community Days bring together a vibrant community from across the Security and Open Source ecosystems to share ideas and progress on capabilities that make it easier to sustainably secure the development, maintenance, and consumption of the software on which we all depend. These events, held regionally and co-located Open Source Summits, offer an opportunity to engage with the brightest minds in security for a day of collaboration and innovation in software security best practices. As a home for tools, standards, and education, OpenSSF provides attendees the chance to explore these resources, share their experiences, and contribute to a safer and more secure digital world.
To learn more, visit the event website.
How to Register: Pre-registration is required. Register for OpenSSF Community Day Europe as a stand alone event or add it to your Open Source Summit Europe registration. 20 Euro (only in-person reg).
Real-time linux workshop Mini Summit
Tuesday, 6 October
Time: 13:30 – 17:00
Location: Prague Congress Centre
Registration Cost: €25
The Real-Time Linux Workshop brings together developers, tooling experts, and users working with Linux as a real-time operating system. The event is designed to foster open discussion, shared learning, and collaboration around real-world challenges, tooling, and advancements in real-time Linux.
How to Register: Pre-registration is required. To register for Real-Time Linux Workshop, add it to your Open Source Summit Europe registration.
ValkeyConF 2026
Monday, 5 October
Time: 9:00 – 17:00
Location: Prague Congress Centre
Registration Cost: €30
ValkeyConf is a day for anyone running Valkey in production, and those seriously thinking about it. Developers, SREs, DBAs, and DevOps pros come together to talk shop, share hard-won knowledge, and connect with the people building Valkey’s future. Sessions, lightning talks, and plenty of time for real conversation. If you care about where Valkey goes next, this is where it happens.
To learn more, visit the event website.
How to Register: Pre-registration is required. Register for ValkeyConf as a stand alone event or add it to your Open Source Summit Europe registration. 30 Euro (only in-person reg).
