OSS + ELC EU 2026

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.

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).

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.

Get ready for Yocto Project Developer Day 2026 in Prague! This one-day presentation and hands-on training day puts you in direct contact with Yocto Project technical experts and developers. Come learn about creating, customizing, and optimizing Linux distributions for embedded devices using the rich features, tools, and content of Yocto Project. You’ll come away with a deeper understanding on topics like build system workflow, embedded security, working with containers, building applications, optimizing images, hardening your devices, and leveraging tools like devtool.
To learn more, visit the event website. CFP submissions are available now and will close on August 11. Submit a CFP!

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.

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.

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.