Open Source Summit Europe
A couple with kids completing registration using an Ipad before event starts


Open Source Summit RATES

The registration deadline is 11:59 PM Central European Time on the respective date.


Early BirdFeb 8–Jul 6, 2023
$ 799Expired
StandardJul 7–Sep 4, 2023
$ 999Expired
LateSep 5–21, 2023
$ 1,249

Small Business

Early BirdFeb 8–Jul 6, 2023
$ 500Expired
StandardJul 7–Sep 4, 2023
$ 500Expired
LateSep 5–21, 2023
$ 500


Early BirdFeb 8–Jul 6, 2023
$ 275Expired
StandardJul 7–Sep 4, 2023
$ 275Expired
LateSep 5–21, 2023
$ 275


Early BirdFeb 8–Jul 6, 2023
$ 275Expired
StandardJul 7–Sep 4, 2023
$ 275Expired
LateSep 5–21, 2023
$ 275

Hall Pass

Early BirdFeb 8–Jul 6, 2023
$ 99Expired
StandardJul 7–Sep 4, 2023
$ 99Expired
LateSep 5–21, 2023
$ 99


Early BirdFeb 8–Jul 6, 2023
$ 0Expired
StandardJul 7–Sep 4, 2023
$ 0Expired
LateSep 5–21, 2023
$ 0

Registration Types

Quick Note:
We never sell attendee lists or contact information, nor do we authorize others to do so. If you receive an email claiming to sell an attendee list for a Linux Foundation event, please forward it to

Small Business:
Our small business registration discount is available to companies that have less than $5 million in annual revenue AND less than 30 employees. Please contact us at to request the Small Business Registration discount code.

You may choose this selection if you are paying for yourself to attend this event and are currently active in the community. Please contact us at to request the Hobbyist Fee access code. Note, there are a limited number of Hobbyist access codes available.

Academic and student registrations are for current full-time students and faculty members. Full-time faculty and students will need to upload a valid copy of their Faculty or Student ID when registering. If you have any questions, please email

In-Person Exhibit Hall Pass:
This option allows access to the keynote sessions, exhibit hall (during attendee hours), coffee breaks, and the booth crawl. It does not include access to any conference sessions, special programming, or any morning or evening events aside from the booth crawl.

Virtual registration is not required to access the event live stream. All conference sessions will be live-streamed to the Linux Foundation YouTube channel with freely available access during the event. Live stream links for each session can be accessed from each session listing in the schedule. Want more information on virtual attendance? Click here for more information.

You should have received a registration link in your acceptance email. If you did not, please contact for more details.

A registration link was shared in an email to your company’s sponsorship contact. Please reach out to your company’s sponsorship contact if you need to register as a Sponsor. For further questions, please email

If you are a member of the media interested in attending this event and have not received a complimentary access code to attend, please contact and a member of our PR team will be in touch.

What’s Included?

Your Open Source Summit Europe Registration Includes:

  • All conference content within the Open Source Summit conference umbrella – keynotes, conference sessions, BoFs and more.
  • Social Events & Networking Activities: All-Attendee Reception, Onsite Reception, Women and Non-Binary in Open Source Lunch, Better Together Diversity Lunch, Speed Mentoring & Networking, First-Time Attendee Breakfast, Morning Activities, and more.
  • Sponsor Showcase entry
  • Continental breakfasts, morning and afternoon coffee & snacks from Tuesday – Thursday
  • Conference T-Shirt
  • Access to LF project mini-summits on Monday
  • Access to co-located events (some may have an additional fee) on Monday
  • Access to watch all on-demand sessions

Additional Information


For information about scholarship and travel funding opportunities, please click here.


LF Members:
Linux Foundation Members are eligible to receive a 20% discount. Please email to request the LF Member discount code.

Non-Profit Professionals:
Professionals who work at a tax-exempt organization as defined by the IRS may receive a 20% discount on the applicable, full-event registration rate. Please email for a discount code. Please note: this discount may not be combined with any additional discounts. Professionals must submit proof of employment as a tax-exempt organization before receiving this discount.

Group Discounts:
If you have a group of 5 or more people, you can receive a 10% discount on all passes. All pass types must be the same, and all registrations must be processed under one group registration and must be paid with the same credit card. To create a group, select “Add Another Person” to your registration. When 5 or more people are added the 10% discount will be automatically applied. Please contact for any questions.

Invoices & Certificates of Attendance

Registration Invoices:
Invoice receipts are downloadable from the confirmation email you received after registering under the Payment Receipt Information section. If the downloadable invoice receipt does not meet your needs or you need to have your confirmation email resent, please submit your request here. Please include any additional customization you need for your invoice receipt in the request.

Certificates of Attendance:
To request a Certificate of Attendance, please submit a request herePlease Note: We verify attendance through the registration system, and Certificate of Attendance letters are sent out after the event is completed.

Refund Policy

If you must cancel for any reason, please sign back into your registration, click the “Register/Modify” button and select “Unregister.” If you need further assistance, email

Refunds will only be issued for cancellations received two weeks prior to the event start date, including bulk ticket request refunds, and will appear as a credit on the card’s statement 7 – 10 business days after cancellation. Individual refund requests for late cancellations due to sickness or emergency will be considered on a case by case basis – contact us at

Please note: Refunds can only be issued on the card the original payment was made.

If you are unable to attend, you may substitute another attendee in lieu of cancellation. To substitute an attendee, sign back into your registration, click the “Register/Modify”, and select “Transfer Registration” on your confirmation page.