Open Source Summit Japan


Japan VISA Requirements
Please read carefully

At this time a visa is required for all foreigners to enter Japan, due to COVID-19 protocols. The first step in obtaining a visa is to be entered into the ERFS system by The Linux Foundation. Click here to see more information.


対面参加される方は、COVID-19ウイルスの完全なワクチン接種を受け、イベント会場ではマスクを着用する必要があります。また、すべての参加者は、The Linux Foundationの行動規範に従い、会場におけるすべての安全・健康対策を遵守する必要があります。イベント参加者の安全を確保するための取り組みについては、健康と安全のための要件のWebページを参照してください。

Current OnSite Requirements

In-person attendees will be required to be fully vaccinated against the COVID-19 virus and wear a mask while onsite at the event. Additionally, all attendees will need to comply with all on-site health measures, in accordance with The Linux Foundation Code of Conduct. To learn more about what is being done to keep our in-person event attendees safe, visit the Health + Safety webpage.


一般参加者 Attendee

早期登録 Early BirdApr 6–Oct 24, 2022
通常登録 StandardOct 25–Nov 14, 2022
料金 LateNov 15–Dec 6, 2022
会場登録 OnsiteDec 7–Oct 1, 2022


一般参加者 Attendee

通常登録 StandardMar 21–Dec 6, 2022
通常登録 Standard Dec 7–Oct 1, 2022

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

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.


Have a discount code? Enter and apply discount codes on the Payment page of the registration form.

Linux Foundation 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. On the Summary page of the registration form, you’ll click ‘Add Group Member’ to continue registering additional people. When 5 or more people are added the 10% discount will be automatically applied.


Registration Invoices
You should receive an invoice upon registration, however, if you need an additional copy or an updated invoice please submit a request here

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. 


If you must cancel for any reason, please log back into your registration, click the “Register/Modify” button, and select “Unregister.” If you need further assistance, email Due to the ongoing COVID-19 pandemic, refunds will be issued up until the start date of the event and all processing fees will be waived.

スポンサー Sponsors

ダイアモンド Diamond

プラチナ Platinum

ゴールド GOLD

シルバー Silver