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7-9 October, 2026
Prague, Czechia
View More Details & Registration
Important Note: Timing of sessions and room locations are subject to change.

The Sched app allows you to build your schedule but is not a substitute for your event registration. You must be registered for Open Source Summit Europe 2026 to participate in the sessions. If you have not registered but would like to join us, please go to the event registration page to purchase a registration.



Venue: Prague Congress Centre clear filter
Monday, October 5
 

09:00 CEST

ValkeyConf 2026 [Additional Fee; Pre-Registration Required]
Monday October 5, 2026 09:00 - 17:00 CEST
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).

Monday October 5, 2026 09:00 - 17:00 CEST
Prague Congress Centre

09:00 CEST

Observability Summit [Additional Fee; Pre-Registration Required]
Monday October 5, 2026 09:00 - 18:00 CEST
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.

Monday October 5, 2026 09:00 - 18:00 CEST
Prague Congress Centre
 
Tuesday, October 6
 

08:00 CEST

Zephyr Maintainers Forum [Additional Fee; Pre-Registration Required]
Tuesday October 6, 2026 08:00 - 17:00 CEST
This forum is a working set of meetings with Zephyr maintainers and technical leaders to decide strategic directions for the project. The forum will focus on release planning, security & safety support, technical decisions and process changes, maintainer workflows, and cross-subsystem coordination. The agenda will be designed by the Zephyr Technical Steering Committee (TSC) with the intentions of highly interactive discussions that will advance development and strategies.
Interested participants are encouraged to attend in-person as sessions will not be recorded. Maintainers, TSC members, subsystem owners, and frequent contributors to the project who want to be active in shaping the technical strategy for Zephyr in the coming year are welcome.
How to Register: Pre-registration is required. To register for Zephyr Maintainers Forum, add it to your Open Source Summit Europe registration.
Tuesday October 6, 2026 08:00 - 17:00 CEST
Prague Congress Centre

09:00 CEST

Project Jupyter Mini Summit [Additional Fee; Pre-Registration Required]
Tuesday October 6, 2026 09:00 - 12:30 CEST
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.

How to Register: Pre-registration is required. To register for Jupyter Mini Summi, add it to your Open Source Summit Europe registration.
Tuesday October 6, 2026 09:00 - 12:30 CEST
Prague Congress Centre

09:00 CEST

OpenSSF Community Day [Additional Fee; Pre-Registration Required]
Tuesday October 6, 2026 09:00 - 17:00 CEST
OpenSSF Community Day brings 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).

Tuesday October 6, 2026 09:00 - 17:00 CEST
Prague Congress Centre

09:00 CEST

Valkey Contributor Summit [Additional Fee; Pre-Registration Required]
Tuesday October 6, 2026 09:00 - 17:00 CEST
Calling all Valkey contributors, maintainers, product leaders, and community builders! Join us for the annual Valkey Contributor Summit: a community-led forum of builders who actively shape the direction of this fast-growing open source project. Together, we’ll share ideas, discuss priorities, and plan the future of Valkey.
To learn more, visit the event website.
How to Register: Pre-registration is required. Register for Valkey Contributor Summit as a stand alone event.

Tuesday October 6, 2026 09:00 - 17:00 CEST
Prague Congress Centre

09:00 CEST

The Linux Foundation Member European Forum [Additional Fee; Pre-Registration Required]
Tuesday October 6, 2026 09:00 - 18:00 CEST
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.

Tuesday October 6, 2026 09:00 - 18:00 CEST
Prague Congress Centre

13:30 CEST

Civil Infrastructure Platform Mini Summit [Additional Fee; Pre-Registration Required]
Tuesday October 6, 2026 13:30 - 17:00 CEST
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.
Tuesday October 6, 2026 13:30 - 17:00 CEST
Prague Congress Centre

13:30 CEST

Real-Time Linux User Forum [Additional Fee; Pre-Registration Required]
Tuesday October 6, 2026 13:30 - 17:00 CEST
The Real-Time Linux User Forum connects developers and users building products or solutions with PREEMPT_RT. This event focuses on sharing user stories and practical experiences, fostering collaboration to address real-world challenges and explore advancements in Real-Time Linux.

How to Register: Pre-registration is required. To register for Real-Time Linux User Forum, add it to your Open Source Summit Europe registration.
Tuesday October 6, 2026 13:30 - 17:00 CEST
Prague Congress Centre
 
Thursday, October 8
 

09:00 CEST

Linux Security Summit [Additional Fee; Pre-Registration Required]
Thursday October 8, 2026 09:00 - 17:00 CEST
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.

Thursday October 8, 2026 09:00 - 17:00 CEST
Prague Congress Centre
 
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