Developer conferences in Europe

#	Conference	Companies	New	Returning	Packages from
1	1. Open Conf Nov 20–21, 2026 · Athens, Greece	47companies
2	2. J-Fall Nov 11–12, 2026 · Ede, Netherlands	31companies
3	3. Agentic Engineering Days Zurich Nov 20, 2026 · Zurich, Switzerland	26companies
4	4. Cloud Native Denmark Nov 19–20, 2026 · Copenhagen, Denmark	26companies
5	5. Porto Tech Hub Conference Nov 10, 2026 · Porto, Portugal	23companies			fromEUR 300
6	6. Kubernetes Community Days (KCD) Suisse Romande Dec 9–10, 2026 · Meyrin, Switzerland	23companies
7	7. DevFest Toulouse Nov 19, 2026 · Labège, France	21companies
8	8. DevFest Dijon Dec 4, 2026 · Dijon, France	20companies
9	9. Devops REX Dec 9–10, 2026 · Paris, France	18companies
10	10. Fabric February Feb 2–4, 2027 · Oslo, Norway	17companies
11	11. reactjsday Nov 19, 2026 · Verona, Italy	17companies
12	12. devNetNoord Nov 26, 2026 · Groningen, Netherlands	15companies
13	13. DevFest Lyon Dec 4, 2026 · Lyon, France	14companies
14	14. IT-Tage Dec 7–10, 2026 · Frankfurt, Germany	13companies
15	15. IT-Tage Dec 7–10, 2026 · Frankfurt, Germany	13companies
16	16. Agile Testing Days Nov 16–19, 2026 · Potsdam, Germany	11companies			fromEUR 700
17	17. WPC Nov 24–26, 2026 · Milano, Italy	11companies
18	18. Kubernetes Community Days Provence Dec 10, 2026 · Aix-en-Provence, France	9companies
19	19. Software Architecture Gathering Nov 16–19, 2026 · Berlin, Germany	9companies
20	20. Visugxl Nov 17, 2026 · Sint-Katelijne-Waver, Belgium	9companies
21	21. Tech Show Paris Nov 18–19, 2026 · Paris, France	8companies
22	22. Cloud Tech Tallinn Feb 4–5, 2027 · Tallinn, Estonia	7companies			fromEUR 2,000
23	23. Build Stuff Dec 2–4, 2026 · Vilnius, Lithuania				fromEUR 2,500
24	24. NDC Porto Nov 17–20, 2026 · Porto, Portugal				fromEUR 3,500

Companies: sponsors and exhibitors on each event’s current edition, read from its own directory, sponsor page or prospectus. New: not listed at the previous edition. Returning: share of the previous edition’s companies listed again.