Connecting people via the most comprehensive collection of Free, Libre and/or Open Source Software events happening in Europe and online. Unity in diversity!
Upcoming
March
| 26-29 | FOSSGIS 2025 de in Münster, Germany by FOSSGIS e.V. |
| 26-29 | FOSSGIS-Konferenz de in Hamburg, Germany by FOSSGIS e.V. |
| 26 | Document Freedom Day online |
| 27 | OC3 en in Berlin, Germany by Edgeless Systems |
| 27 | OC3 online en/de by Edgeless Systems in Berlin (Germany) |
| 28-30 | WMA Hackathon 2025 online en/fr by Wiki Mentor Africa |
| 29 | Linux-Install-Party de in Bielefeld, Germany by Hackerspace Bielefeld e.V. |
| 29 | International Open Hackerspace Day 2025 |
| 29 | Linux Meeting Palermo en/it in Palermo, Italy by Sputnix.it |
April
| 01-04 | PyCamp España in Sevilla, Spain by Python España |
| 01-02 | Fediforum online en by Volunteers |
| 03-05 | DANTE Frühjahrstagung de in Darmstadt, Germany by DANTE e.V. |
| 04-05 | Drupal Iberia Cáceres es in Cáceres, Spain by Comunidad Drupal |
| 05-06 | 19 Sesja Linuksowa pl in Wrocław, Poland by Akademickie Stowarzyszenie Informatyczne |
| 07-08 | sambaXP en in Göttingen, Germany by SerNet GmbH |
| 09 | 4. Open Data Barcamp 2025 in Erfurt, Germany by Bertelsmann Stiftung |
| 14-15 |
foss-north
en
in Gothenburg, Sweden
by Free Open Source Software North Conferences ek.för.
Take part in the Call for Participation. |
| 14-15 | foss-north en in Gothenburg, Sweden by Free Open Source Software North Conferences ek.för. |
| 15-18 | Drupal Dev Days 2025 online en by Drupal User Group Belgium in Leuven (Belgium) |
| 18-21 | Easterhegg de in Hamburg, Germany by Chaos Computer Club Hamburg |
| 19 | Hardware Freedom Day online |
| 25-26 | GLT25 en/de in Graz, Austria by Verein der Grazer Linuxtage |
| 25-26 | Linux App Summit (LAS) en in Tirana, Albania by KDE Community , GNOME Foundation |
| 26 | Augsburger Linux-Infotag de in Augsburg, Germany by Linux User Group Augsburg (LUGA) |
| 29-30 | stackconf 2025 en in Munich, Germany by NETWAYS Event Services GmbH |
| 30-04 |
BachoTeX
en/pl
in Brodnica, Poland
by GUST
Take part in the Call for Participation. Deadline: 31.03.2025 |
May
| 01-04 |
ElaCon 2025
en/de
in Alte Hölle, Germany
by Ela
Take part in the Call for Participation. Deadline: 14.04.2025 |
| 02-04 | Wikimedia Hackathon en in Istanbul, Turkey by Wikimedia Foundation |
| 05-06 | Congreso LliureX ca/es in Sant Vicent del Raspeig, Spain by LliureX |
| 09 |
Salmorejo Tech
es
in Cordoba, Spain
by Aula Software Libre
Take part in the Call for Participation. |
| 09-11 | FSCK2025 de in Backnang, Germany by Chaostreff Backnang e.V. |
| 10 | LibreCan 2025 es in Santa Cruz de Tenerife, Spain by LibreCan - Comunidad de Software Libre y Cultura Libre de Canarias |
| 12-14 |
German Perl/Raku Workshop
en/de
in Munich, Germany
by Perl Community
Take part in the Call for Participation. |
| 15 | Rencontres Professionnelles du Logiciel Libre fr in Lyon, France by Ploss-Ra |
| 21-23 |
DORS/CLUC
en
in Zagreb, Croatia
by HrOpen & Hulk
Take part in the Call for Participation. |
| 23 |
Helvetic Ruby
en
in Geneva, Switzerland
by Dimiter Petrov, Hana Harencarova
Take part in the Call for Participation. |
| 23-25 | Newline en in Gent, Belgium by Gent hackerspace |
| 30-01 |
Hackmeeting 0x1C
online
en/it
by Hackers
in Cagliari
(Italy)
Take part in the Call for Participation (see details). |
| 31-10 |
T-DOSE
nl/en
in Geldrop, Netherlands
by T-DOSE Foundation
Take part in the Call for Participation. Deadline: 31.03.2025 |
June
| 04-06 |
Chaos Feminist Convention
de
in Hamburg, Germany
by Haecksen e.V.
Take part in the Call for Participation. Deadline: 14.04.2025 |
| 11 |
Capital Series Poland
en/pl
in Warsaw, Poland
by OpenForum Europe
Take part in the Call for Participation. Deadline: 10.06.2025 |
| 12-14 | DevConf en in Brno, Czech Republic by Red Hat |
| 15-17 | Berlin Buzzwords en in Berlin, Germany by Plain Schwarz UG |
| 17-18 | OW2Con'25 en in Paris, France |
| 19-22 | 23. Gulaschprogrammiernacht en/de in Karlsruhe, Germany by Entropia e.V. - CCC Karlsruhe |
| 20-21 | UbuCon Europe en/es in Malaga, Spain by Ubuntu Volunteers |
| 20-21 |
Opensouthcode
en/es
in Malaga, Spain
by Volunteers
Take part in the Call for Participation. Deadline: 31.03.2025 |
| 26-28 |
openSUSE Conference
en
in Nürnberg, Germany
by openSUSE project
Take part in the Call for Participation. Deadline: 30.04.2025 |
July
| 01-03 | Pass the SALT en in Lille, France |
| 01-05 | HOA25 en/de in Gifhorn, Germany by Stratum 0 e.V. |
| 05 |
Tübix
de
in Tübingen, Germany
Take part in the Call for Participation. Deadline: 05.05.2025 |
| 14-20 |
FOSS4G Europe 2025
en
in Mostar, Bosnia and Herzegovina
by OSGeo, Ecoplan, University of Mostar
Take part in the Call for Participation. |
| 15-20 | Fedicamp en/de in Gedelitz, Germany by No OU. |
| 16-23 |
Bornhack
da/en
in Funen, Denmark
Take part in the Call for Participation. |
| 24-27 | SeeZeit 2025 de in Mainhausen, Germany by Chaos Computer Club Frankfurt e.V. |
| 24-29 | GUADEC en in Brescia, Italy by GNOME Foundation |
August
| 08-12 |
why2025
nl/en
in Geestmerambacht, Netherlands
by IFCAT
Take part in the Call for Participation. Deadline: 25.05.2025 |
| 16-17 |
FrOSCon 20
de
in Sankt Augustin, Germany
by FrOSCon e.V.
Take part in the Call for Participation. |
| 21-25 | Hack'n'Sun de in Bonn, Germany by Teckids-Gemeinschaft |
| 22-29 | ConTeXt meeting en in Chmielno, Poland by context group, Ryszard Kubiak |
| 28-31 | WAMP de in Rotenhain, Germany by Westwoodlabs e.V. |
| 28-31 | Cebulacamp en in Wrocław, Poland by Polish hackerspaces |
September
| 02-07 | End Summer Camp it in San Dona' di Piave, Italy by SM4X |
| 05-07 |
InselChaos 2025
de
in Bergen auf Rügen, Germany
by Port39 e.V. Stralsund
Take part in the Call for Participation. Deadline: 01.07.2025 |
| 12-14 | MRMCD online en/de by MRMCD e.V. in Darmstadt (Germany) |
| 17-19 |
Open-Access-Tage
in Konstanz, Germany
by Organisationsteam
Take part in the Call for Participation. Deadline: 30.03.2025 |
| 18-20 | DrupalCamp Spain 2025 es in Santiago de Compostela, Spain by Drupal Community |
| 19-21 | BalCCon2k25 en in Novi Sad, Serbia by LUGoNS |
| 20 | Software Freedom Day |
| 23 |
Open Tech Day
en
in Nuremberg, Germany
by NETWAYS Event Services GmbH
Take part in the Call for Participation. Deadline: 30.04.2025 |
| 25-28 | Hackmeeting 2025 en/es in Zaragoza, Spain by Hackers |
| 26-29 | Freedom not Fear en in Brussels, Belgium |
| 30-01 |
All Systems Go!
en
in Berlin, Germany
Take part in the Call for Participation. Deadline: 13.06.2025 |
October
| 04-05 | LinuxDays 2025 cs/en in Prague, Czech Republic by FIT ČVUT |
| 23-25 |
Distribits 2025
en
in Düsseldorf, Germany
Take part in the Call for Participation. Deadline: 01.05.2025 |
| 25 |
Linux Day
en/it
in Palermo, Italy
by Sputnix.it
Take part in the Call for Participation. Deadline: 15.09.2025 |
| 31-02 |
eth0
nl/en
in Someren, Netherlands
by Stichting eth0
Take part in the Call for Participation. Deadline: 01.10.2025 |
November
| 01-02 | OpenAlt cs in Brno, Czech Republic |
| 07-08 |
SFSCON
en
in Bozen, Italy
by NOI Techpark
Take part in the Call for Participation. Deadline: 30.06.2025 |
| 10-11 | Open Science Days in Berlin, Germany by Max Planck Digital Library |
| 18-20 |
Open Source Monitoring Conference
en/de
in Nuremberg, Germany
Take part in the Call for Participation. |
Contribute
If you know about an event that is not yet listed here and it matches the criteria, please contribute. For any questions get in contact.
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