| Event | When | Where | Deadline | |
| OpenSuCo @ ISC HPC 2017 |
2017 International Workshop on Open Source Supercomputing | |
| Jun 22, 2017 - Jun 22, 2017 |
Frankfurt, Germany |
Apr 21, 2107 |
| Expired CFPs |
| bbuzz 2025 |
Berlin Buzzwords 2025 | |
| Jun 15, 2025 - Jun 17, 2025 |
Kulturbrauerei Berlin Schönhauser Allee |
Feb 23, 2025 |
| BUSTECH 2025 |
The Fifteenth International Conference on Business Intelligence and Technology | |
| Apr 6, 2025 - Apr 10, 2025 |
Valencia, Spain |
Jan 20, 2025 |
| OSDay 2025 |
Open Source Day 2025 | |
| Mar 21, 2025 - Mar 21, 2025 |
Florence, Italy |
Jan 15, 2025 |
| UAKK 2024 |
The International Open Source Conference | |
| Dec 26, 2024 - Dec 28, 2024 |
Istanbul |
Nov 18, 2024 |
| fossback 2025 |
FOSS Backstage 2025 | |
| Mar 10, 2025 - Mar 11, 2025 |
bUm – Raum für solidarisches Miteinander |
Nov 13, 2024 |
| SCaLE 22x 2025 |
Southern California Linux Expo 2025 | |
| Mar 6, 2025 - Mar 9, 2025 |
Pasadena, CA |
Nov 1, 2024 |
| COSCUP 2024 |
COSCUP 2024: Conference for Open Source Coders, Users and Promoters (COSCUP) | |
| Aug 3, 2024 - Aug 4, 2024 |
Taipei, Taiwan |
May 19, 2024 |
| OSMSES 2024 |
3rd International Workshop on Open Source Modelling and Simulation of Energy Systems | |
| Sep 3, 2024 - Sep 6, 2024 |
Vienna, Austria |
May 15, 2024 |
| OID 2024 |
Open Identity Summit 2024 | |
| Jun 20, 2024 - Jun 21, 2024 |
Porto, Portugal |
Feb 19, 2024 |
| OSDay 2024 |
Open Source Day 2024 | |
| Mar 7, 2024 - Mar 8, 2024 |
Florence, Italy |
Jan 31, 2024 |
| FOSSback 2024 |
FOSS Backstage 2024 | |
| Mar 4, 2024 - Mar 5, 2024 |
Berlin, Germany |
Nov 15, 2023 |
| SCaLE 21x 2024 |
Southern California Linux Expo 2024 (SCaLE 21x) | |
| Mar 14, 2024 - Mar 17, 2024 |
Pasadena, CA |
Nov 1, 2023 |
| NLUUG Fall 2023 |
NLUUG Fall Conference 2023 | |
| Nov 28, 2023 - Nov 28, 2023 |
Utrecht, The Netherlands |
Sep 28, 2023 |
| COSCUP 2023 |
Conference for Open Source Coders, Users and Promoters (COSCUP) 2023 Call for Proposals | |
| Jul 29, 2023 - Jul 30, 2023 |
Taipei, Taiwan |
May 23, 2023 |
| FSC 2023 |
FOSS Security Campus | |
| Sep 26, 2023 - Sep 29, 2023 |
Berlin, Germany |
May 14, 2023 |
| OID 2023 |
Open Identity Summit 2023 | |
| Jun 15, 2023 - Jun 16, 2023 |
Heilbronn, Germany |
Feb 27, 2023 |
| bbuzz 2023 |
Berlin Buzzwords 2023 | |
| Jun 18, 2023 - Jun 20, 2023 |
Berlin, Germany |
Feb 19, 2023 |
| OSday 2023 |
Open Source Day 2023 | |
| Mar 24, 2023 - Mar 24, 2023 |
Florence, Italy |
Feb 5, 2023 |
| OSMSES 2023 |
2nd International Workshop on Open Source Modelling and Simulation of Energy Systems | |
| Mar 27, 2023 - Mar 29, 2023 |
Aachen, Germany |
Jan 8, 2023 |
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