| 26 May | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 26 May | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 26 May | OSM-Verkehrswende #75 | Berlin, Germany |
| 27 May | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 27 May | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 28 May | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 29 May | OSMF Engineering Working Group meeting |
| 30 May | Incontro sul free software | Catania, Sicily, Italy |
| 30 May | Braunschweiger OSM-Treffen Mappingtour: Zusammen Bad Harzburg mappen | Bad Harzburg (Innenstadt), Lower Saxony, Germany |
| 31 May | Mapping Party @ Coimbatore | Coimbatore, Tamil Nadu, India |
| 2 Juni | Cartopartie Bayonne | Bayonne, Nouvelle-Aquitaine, France |
| 2 Juni | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 2 Juni | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 2 Juni | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 2 Juni | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 3 Juni | OSM Indoor Meetup |
| 3 Juni | Kvartální OSM pivo | Brno, South Moravian Region, Czechia |
| 3 Juni | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 4 Juni | State of the Map Baltics 2026 | Riga, Latvia |
| 4 Juni | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 5 Juni | OSM Syria Solidarity Mapathon #6 | Damascus, Damascus Governorate, Syria |
| 5 Juni | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Plugins QGIS para OSM | Rio de Janeiro, Rio de Janeiro, Brazil |
| 6 Juni | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 Juni | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8 Juni | OpenStreetMap x Wikidata Taipei #89 | Chengnei, Taipei, Taiwan |
| 9 Juni | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 9 Juni | Hamburger Mappertreffen | Hamburg, Germany |
| 9 Juni | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 10 Juni | iD Community Chat |
| 11–13 Juni | State of the Map US 2026 | Madison, Wisconsin, United States |
| 11 Juni | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 Juni | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 14 Juni | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 14 Juni | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 Juni | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 16 Juni | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 16 Juni | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16 Juni | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16 Juni | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 16 Juni | 1er Apéro du groupe local de Strasbourg | Strasbourg, Grand Est, France |
| 16 Juni | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 17 Juni | 21. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 18 Juni | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 19 Juni | UN 2.0 side event: UN Mappers Mappy Hour |
| 19 Juni | ReMapping Syria 2025: Humanitarian Mapping & Community Collaboration Webinar | Damascus, Damascus Governorate, Syria |
| 19 Juni | UN Mappers Mappy Hour: Progress and Highlights of the UN Maps Community Ambassador Pilot Initiative |
| 19 Juni | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Formulários Web com KoboToolbox | Rio de Janeiro, Rio de Janeiro, Brazil |
| 19 Juni | Missing Maps Mapathon in Stuttgart | Stuttgart, Baden-Württemberg, Germany |
| 20 Juni | Atelier du groupe local de Metz - Partez en voyage avec OpenStreetMap | Metz, Grand Est, France |
| 20 Juni | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South) | Maharashtra, India |
| 21 Juni | Sommermapping 2026 | Fulda, Hesse, Germany |
| 22 Juni | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 22 Juni | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 23 Juni | 2. OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 23 Juni | OSM-Verkehrswende #76 | Berlin, Germany |
| 25 Juni | OSM-Treffen Freiburg im Breisgau | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 26–28 Juni | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26 Juni | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 Juni | Mapathon @ Casorate Sempione | Casorate Sempione, Lombardy, Italy |
| 29 Juni | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 30 Juni | East Midlands pub meet-up | Derby, England, United Kingdom |
| 3–4 Juli | State of the Map Colombia (SotMCol) 2026 | Bogota, Bogota, Capital District, Colombia |
| 3 Juli | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Mapas Web com uMap | Rio de Janeiro, Rio de Janeiro, Brazil |
| 7 Juli | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 Juli | OSM-Znacht in Bern | Bern, Bern, Switzerland |
| 7 Juli | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 9–11 Juli | FOSS4G IT & OSMit 2026 | Sardagna, Trento, Trentino – Alto Adige/Südtirol, Italy |
| 13 Juli | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 14 Juli | Hamburger Mappertreffen | Hamburg, Germany |
| 14 Juli | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 Juli | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 21 Juli | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 21 Juli | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 Juli | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 Juli | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21 Juli | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29 Juli | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4 August | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 4 August | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 10 August | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 11 August | Hamburger Mappertreffen | Hamburg, Germany |
| 11 August | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 16 August | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 18 August | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 18 August | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 August | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 August | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 August | East Midlands pub meet-up | Derby, England, United Kingdom |
| 26 August | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 26 August | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 August | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28–30 August | State of the Map 2026 | Champs-sur-Marne, Ile-de-France, France |
| 28 August | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 31 August | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 September | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 September | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 September | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 8 September | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 September | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 September | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 September | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 September | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 September | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 22 September | East Midlands pub meet-up | Derby, England, United Kingdom |
| 25 September | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 September | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 2–4 Oktober | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 Oktober | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5 Oktober | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 Oktober | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 Oktober | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 13 Oktober | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 20 Oktober | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 Oktober | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 Oktober | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 Oktober | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 Oktober | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 Oktober | State of the Map LATAM 2026 in Mexico City | Mexico City, Mexico City, Mexico |
| 27 Oktober | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 Oktober | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 November | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 November | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 9 November | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 November | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 17 November | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 November | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 November | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 November | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 November | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 December | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 December | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 December | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 December | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 December | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 13 December | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15 December | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 December | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 December | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 December | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 December | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 Januar | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 März | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 31 May | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 Juli | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 September | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 November | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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