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February

20 AlpOSS fr in Echirolles, France by City of Echirolles
21-22 International FOSS Hackathon en in multiple cities, International by OS-SCi, FOSSTECH Projects
28-01 Winterkongress de in Winterthur, Switzerland by Digitale Gesellschaft CH

March

08 Teckids-Campdays de in Worms, Germany by Teckids-Gemeinschaft
10-11 FOSS Backstage en in Berlin, Germany by Plain Schwarz UG
11 Open Source Job Fair nl/en in Leuven, Belgium by ULYSSIS VZW
12 FOSS Backstage Design en in Berlin, Germany by Plain Schwarz UG
13-14 t3chfest es in Madrid, Spain by Volunteers
22-23 Chemnitzer Linuxtage de in Chemnitz, Germany by Individual Network Chemnitz
26-29 FOSSGIS 2025 de in Münster, Germany by FOSSGIS e.V.
26-29 FOSSGIS-Konferenz de in Hamburg, Germany by FOSSGIS e.V.
27 OC3 en in Berlin, Germany by Edgeless Systems
27 OC3 online en/de by Edgeless Systems in Berlin (Germany)

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.

Take part in the Call for Participation. Deadline: 28.02.2025

07-08 sambaXP en in Göttingen, Germany by SerNet GmbH
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.
18-21 Easterhegg de in Hamburg, Germany by Chaos Computer Club Hamburg
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

Take part in the Call for Participation. Deadline: 21.02.2025

26 Augsburger Linux-Infotag de in Augsburg, Germany by Linux User Group Augsburg (LUGA)

Take part in the Call for Participation. Deadline: 01.03.2025

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

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 in Gent, Belgium by Gent hackerspace

June

15-17 Berlin Buzzwords en in Berlin, Germany by Plain Schwarz UG

Take part in the Call for Participation. Deadline: 23.02.2025

17-18 OW2Con'25 en in Paris, France

Take part in the Call for Participation. Deadline: 23.02.2025

19-22 23. Gulaschprogrammiernacht en/de in Karlsruhe, Germany by Entropia e.V. - CCC Karlsruhe
20-21 Opensouthcode es in Malaga, Spain

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
05 Tübix de in Tübingen, Germany
14-20 FOSS4G Europe 2025 en in Mostar, Europe 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.

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.

22-29 ConTeXt meeting en in Chmielno, Poland by context group, Ryszard Kubiak
28-31 WAMP de in Rotenhain, Germany by Westwoodlabs e.V.

October

31-02 eth0 nl/en in Someren, Netherlands by Stichting eth0

Take part in the Call for Participation. Deadline: 01.10.2025

November

18-20 Open Source Monitoring Conference en/de in Nuremberg, Germany

Take part in the Call for Participation.

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