| Event | When | Where | Deadline | | | Expired CFPs |
| 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 |
| Open FinTech Forum 2018 |
Open FinTech Forum | |
| Oct 10, 2018 - Oct 11, 2018 |
New York |
Jul 13, 2018 |
| OSSummit EU 2018 |
Open Source Summit Europe 2018 | |
| Oct 22, 2018 - Oct 24, 2018 |
UK |
Jul 1, 2018 |
| FrOSCon 2018 |
Free and Open Source Software Conference | |
| Aug 25, 2018 - Aug 26, 2018 |
Sankt Augustin, Germany |
May 23, 2018 |
| OpenSuCo @ ISC HPC 2018 |
OpenSuCo 3 @ ISC HPC 2018 : 3rd International Workshop on Open Source Supercomputing | |
| Jun 28, 2018 - Jun 28, 2018 |
Frankfurt, Germany |
Apr 20, 2018 |
| CAReOSS 2018 |
International workshop on the Critical Aspects of Releasing Open Source Software | |
| Jun 10, 2018 - Jun 10, 2018 |
Athens Greece |
Apr 1, 2018 |
| R/Finance 2018 |
R/Finance 2018: Applied Finance with R | |
| Jun 1, 2018 - Jun 2, 2018 |
Chicago |
Feb 2, 2018 |
| DEC 2018 |
DataEngConf | |
| Apr 17, 2018 - Apr 18, 2018 |
San Francisco |
Jan 5, 2018 |
| OpenSuCo @ SC 2017 |
2017 Workshop on Open Source Supercomputing (OpenSuCo-2017) | |
| Nov 17, 2017 - Nov 17, 2017 |
Denver, CO, USA |
Sep 29, 2017 |
| GRCon 2017 |
GNU Radio Conference 2017 | |
| Sep 11, 2017 - Sep 15, 2017 |
San Diego, CA, US |
Jul 1, 2017 (Jun 1, 2017) |
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