September 2025

KCD El Salvador 2025

CFP OPEN
San Salvador, El Salvador
Dates: Sat Sep 20, 2025 to Sat Sep 20, 2025 CFP: Wed May 21, 2025 to Mon Jul 7, 2025

AWS Community Day Bolivia 2025

CFP OPEN
Cochabamba, Bolivia
Dates: Sat Sep 20, 2025 to Sat Sep 20, 2025 CFP: Thu May 22, 2025 to Mon Jul 28, 2025

Fluttercon Europe 2025

CFP OPEN
Berlin, Germany
Dates: Tue Sep 23, 2025 to Thu Sep 25, 2025 CFP: Sun Dec 8, 2024 to Fri Jul 4, 2025

Data Streaming Summit San Francisco 2025

CFP OPEN
San Francisco, California, United States
Dates: Mon Sep 29, 2025 to Tue Sep 30, 2025 CFP: Thu May 29, 2025 to Sat Jul 19, 2025

October 2025

BSidesChicago 2025

CFP OPEN
Chicago, Illinois, United States
Dates: Fri Oct 31, 2025 to Sat Nov 1, 2025 CFP: Thu May 22, 2025 to Fri Aug 1, 2025

ThunderPlains 2025

CFP OPEN
Oklahoma City, Oklahoma, United States
Dates: Wed Oct 22, 2025 to Wed Oct 22, 2025 CFP: Fri May 23, 2025 to Fri Aug 1, 2025

FTSCon 2025 hosted by the Volatility Foundation

CFP OPEN
Arlington, Virginia, United States
Dates: Mon Oct 20, 2025 to Mon Oct 20, 2025 CFP: Fri May 23, 2025 to Thu Jul 24, 2025

E&M Excellence Symposium 2025

CFP OPEN
Dates: Fri Oct 17, 2025 to Sat Oct 18, 2025 CFP: Sat May 10, 2025 to Wed Jul 16, 2025

November 2025

Pycon Ireland 2025

CFP OPEN
Dublin, Ireland
Dates: Sat Nov 15, 2025 to Sun Nov 16, 2025 CFP: Thu May 22, 2025 to Sat Aug 2, 2025

Cloud Day 2025

CFP OPEN
Milan, Italy
Dates: Wed Nov 19, 2025 to Wed Nov 19, 2025 CFP: Fri May 2, 2025 to Thu Jul 31, 2025

DevFest Hamburg 2025

CFP OPEN
Hamburg, Germany
Dates: Thu Nov 13, 2025 to Fri Nov 14, 2025 CFP: Sat May 24, 2025 to Thu Jul 31, 2025

Wey Wey Web

Málaga, Spain
Dates: Mon Nov 17, 2025 to Tue Nov 18, 2025 CFP: Tue Jul 1, 2025 to Fri Aug 1, 2025

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Helsinki, Finland
Dates: Fri Nov 21, 2025 to Fri Nov 21, 2025 CFP: Tue Jul 1, 2025 to Thu Jul 31, 2025

December 2025

WPC 2025

CFP OPEN
Assago, Italy
Dates: Mon Dec 1, 2025 to Wed Dec 3, 2025 CFP: Wed May 21, 2025 to Sun Jul 13, 2025

April 2026

Great International Developer Summit (GIDS)

Bengaluru, India
Dates: Tue Apr 21, 2026 to Fri Apr 24, 2026 CFP: Tue Jul 1, 2025 to Tue Sep 30, 2025