Open Source Summit Europe 2026: 85 exhibitors & sponsors
Open Source Summit Europe 2026 had 85 exhibitors and sponsors in Prague, Czech Republic from 15 countries. Developer Tools & Platforms is the biggest block on the floor at 22% of the companies we matched, ahead of hardware, semiconductors & iot and cybersecurity. No single country dominates: United States leads with 40%.
- 85
- exhibitors & sponsors as of 5 Nov 2026
- 15
- headquarters countries most from United States
- 57
- matched to a company profile industry, size, HQ
- 2,000
- expected visitors organiser’s figure
The show floor, by sector
Each square is a company we matched to a profile, grouped by its main sector. Developer Tools & Platforms makes up 22% of Open Source Summit Europe 2026; the gray block is the other 10 sectors combined.
- Developer Tools & Platforms 11 · 22%
- Hardware, Semiconductors & IoT 7 · 14%
- Cybersecurity 6 · 12%
- Enterprise Software 4 · 8.2%
- IT Services & Consulting 3 · 6.1%
- Software Development (custom / web / mobile) 2 · 4.1%
- Everything else 16 · 33%
Each square is one company.
Who exhibits at Open Source Summit Europe
Company size and headquarters for the 57 exhibitors we matched. An enterprise-heavy floor: 32% have more than 1,000 employees.
Open Source Summit Europe 2026 exhibitor list
The first 25 of 85: sponsors and exhibitors from the show’s core sectors first. The full list adds every company, its website, and the people to contact.
| Company | Industry | Size | HQ | Role |
|---|---|---|---|---|
Red Hat redhat.com | Developer Tools & Platforms | 10,001+ | United States | Sponsor |
Dynatrace dynatrace.com | Developer Tools & Platforms | 5,001–10,000 | United States | Sponsor |
Hitachi hitachi.com | IT Services & Consulting | 10,001+ | Japan | Sponsor |
Texas Instruments ti.com | Hardware, Semiconductors & IoT | 10,001+ | United States | Sponsor |
Analog Devices analog.com | Hardware, Semiconductors & IoT | 10,001+ | United States | Sponsor |
SAP sap.com | Enterprise Software | 10,001+ | Germany | Sponsor |
Cloud Native Computing Foundation (CNCF) cncf.io | Developer Tools & Platforms | 51–200 | United States | Sponsor |
Nordic Semiconductor nordicsemi.com | Hardware, Semiconductors & IoT | 1,001–5,000 | Norway | Sponsor |
ReversingLabs reversinglabs.com | Cybersecurity | 201–500 | United States | Sponsor |
Nextcloud nextcloud.com | Enterprise Software | 51–200 | Germany | Sponsor |
Percona percona.com | Developer Tools & Platforms | 201–500 | United States | Sponsor |
ExpressVPN expressvpn.com | Cybersecurity | 501–1,000 | Virgin Islands, British | Sponsor |
Coder coder.com | Developer Tools & Platforms | 51–200 | United States | Sponsor |
OpenSSF openssf.org | Cybersecurity | 201–500 | United States | Sponsor |
AlmaLinux almalinux.org | Developer Tools & Platforms | 2–10 | United States | Sponsor |
Igalia igalia.com | IT Services & Consulting | 51–200 | Spain | Sponsor |
Edera edera.dev | Developer Tools & Platforms | 11–50 | United States | Sponsor |
ELISA Project elisa.tech | Developer Tools & Platforms | 2–10 | United States | Sponsor |
Minimus (acquired by Echo) minimus.io | Cybersecurity | 51–200 | — | Sponsor |
Embedd.it embedd.it | Developer Tools & Platforms | 11–50 | United Kingdom | Sponsor |
Anaconda anacondagroup.com | Software Development (custom / web / mobile) | 2–10 | Spain | Sponsor |
NXP Semiconductors nxp.com | Hardware, Semiconductors & IoT | 10,001+ | Netherlands | Exhibitor |
Affinidi affinidi.com | Cybersecurity | 51–200 | Singapore | Exhibitor |
Adfinis adfinis.com | IT Services & Consulting | 51–200 | Switzerland | Exhibitor |
Momento gomomento.com | Developer Tools & Platforms | 11–50 | United States | Exhibitor |
Book a 15-minute call. We'll walk you through the full list and how we can help you reach the right people while the show is fresh.
Book a call →Open Source Summit Europe exhibitors also show up at
The events sharing the most exhibitors with Open Source Summit Europe 2026. 26% of the companies we matched here also exhibit at Machine Learning Prague 2026.
What people do with this list
Follow up with Open Source Summit Europe exhibitors
We'll walk you through all 85 companies and the decision-makers at each, then RocketSDR can research every account and write the outreach. Reach them while the show is still fresh.
Find sponsors among companies that exhibit at shows like this
Exhibitors at Open Source Summit Europe and Machine Learning Prague already budget for events in your space. We find the ones that fit your audience and the person who signs off on sponsorship.
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Open Source Summit Europe 2026: quick answers
How many companies exhibit at Open Source Summit Europe 2026?
85 companies are listed as exhibitors or sponsors at Open Source Summit Europe 2026, as of 5 Nov 2026. Of those, 60 are listed as sponsors and 6 as exhibitors; the rest come from combined exhibitor and sponsor lists. We matched 57 of them to a company profile with industry, size and headquarters.
What industries exhibit at Open Source Summit Europe 2026?
Among the 49 exhibitors we matched, the largest groups are Developer Tools & Platforms (22%), Hardware, Semiconductors & IoT (14%), Cybersecurity (12%). In total they span 16 sectors.
Where are Open Source Summit Europe exhibitors from?
Exhibitors we matched are headquartered in 15 countries. The most represented are United States (23), Germany (6), Spain (4).
When and where is Open Source Summit Europe 2026?
Open Source Summit Europe 2026 took place 7–9 Oct 2026 at Prague Congress Centre, Prague, Czech Republic, organised by LF Events.
Turn the Open Source Summit Europe list into meetings
RocketSDR finds the right person at every exhibitor, researches each account, and runs personalised outreach across email and LinkedIn — so you walk into the show with meetings booked.