| Event | When | Where | Deadline | | | Expired CFPs |
| 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 |
| SCaLE 20x 2023 |
Southern California Linux Expo | |
| Mar 9, 2023 - Mar 12, 2023 |
Pasadena, CA |
Dec 2, 2022 |
| FOSSback 2023 |
FOSS Backstage 2023 | |
| Mar 13, 2023 - Mar 14, 2023 |
Berlin, Germany |
Nov 6, 2022 |
| OID 2022 |
Open Identity Summit 2022 | |
| Jul 7, 2022 - Jul 8, 2022 |
Copenhagen, Denmark |
Feb 21, 2022 |
| OSMSES 2022 |
1st International Workshop on Open Source Modelling and Simulation of Energy Systems | |
| Apr 4, 2022 - Apr 5, 2022 |
Aachen, Germany |
Dec 10, 2021 |
| FOSS-Backstage 2022 |
FOSS Backstage | |
| Mar 17, 2022 - Mar 18, 2022 |
Online-Berlin |
Nov 15, 2021 |
| OpenSym 2021 |
The 17th International Symposium on Open Collaboration | |
| Sep 15, 2021 - Sep 17, 2021 |
Madrid, Spain; Virtual |
Jun 15, 2021 (Jun 3, 2021) |
| OID 2021 |
Open Identity Summit 2021 | |
| Jun 1, 2021 - Jun 2, 2021 |
Copenhagen, Denmark |
Mar 1, 2021 |
| OSAD 2020 |
Open Source Automation Days | |
| Oct 19, 2020 - Oct 21, 2020 |
Munich |
May 15, 2020 |
| COSCUP 2020 |
Conference for Open Source Coders, Users and Promoters 2020 | |
| Aug 1, 2020 - Aug 2, 2020 |
Taipei, Taiwan |
May 11, 2020 |
| bbuzz 2020 |
Berlin Buzzwords | |
| Jun 7, 2020 - Jun 7, 2020 |
Berlin, Germany |
Feb 16, 2020 |
| OID 2020 |
Open Identity Summit 2020 | |
| May 26, 2020 - May 27, 2020 |
Copenhagen, Denmark |
Jan 31, 2020 |
| OSCON 2020 |
O'Reilly Open Source Software Conference | |
| Jul 13, 2020 - Jul 16, 2020 |
Portland, OR, USA |
Jan 14, 2020 |
| OPENWEST 2019 |
OpenWest 2019 | |
| Apr 10, 2019 - Apr 12, 2019 |
Salt Lake City, UT |
Jan 7, 2019 |
| OID 2019 |
Open Identity Summit | |
| Mar 28, 2019 - Mar 29, 2019 |
Garmisch-Partenkirchen, Germany |
Oct 19, 2018 |
| MLOSS 2018 |
Machine Learning Open Source Software 2018: Sustainable communities | |
| Dec 8, 2018 - Dec 8, 2018 |
Palais des Congrès de Montréal, Canada |
Sep 30, 2018 |
| MLOSS 2018 |
NIPS workshop on Machine Learning Open Source Software | |
| Dec 8, 2018 - Dec 8, 2018 |
NIPS Montreal |
Sep 30, 2018 |
| DEC-NYC 2018 |
DataEngConf NYC '18 | |
| Nov 8, 2018 - Nov 9, 2018 |
Columbia University |
Sep 7, 2018 |
| OSAD 2018 |
Open Source Automation Day | |
| Oct 16, 2018 - Oct 16, 2018 |
Mercedes-Benz Tower Munich |
Jul 31, 2018 |
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