| 26 mei | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 26 mei | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 26 mei | OSM-Verkehrswende #75 | Berlin, Germany |
| 27 mei | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 27 mei | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 28 mei | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 29 mei | OSMF Engineering Working Group meeting |
| 30 mei | Braunschweiger OSM-Treffen Mappingtour: Zusammen Bad Harzburg mappen | Bad Harzburg (Innenstadt), Lower Saxony, Germany |
| 31 mei | 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 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 2 juni | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 2 juni | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 3 juni | Kvartální OSM pivo | Brno, South Moravian Region, Czechia |
| 3 juni | OSM Indoor Meetup |
| 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 |
| 11–13 juni | State of the Map US 2026 | Madison, Wisconsin, United States |
| 11 juni | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 11 juni | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14 juni | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 14 juni | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 juni | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 16 juni | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 16 juni | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16 juni | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 16 juni | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, 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 | ReMapping Syria 2025: Humanitarian Mapping & Community Collaboration Webinar | Damascus, Damascus Governorate, Syria |
| 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] |
| 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 | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21 juli | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 juli | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 juli | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29 juli | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4 augustus | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 4 augustus | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 10 augustus | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 11 augustus | Hamburger Mappertreffen | Hamburg, Germany |
| 11 augustus | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 16 augustus | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 18 augustus | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 18 augustus | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 augustus | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 augustus | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 augustus | East Midlands pub meet-up | Derby, England, United Kingdom |
| 26 augustus | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26 augustus | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 27 augustus | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28–30 augustus | State of the Map 2026 | Champs-sur-Marne, Ile-de-France, France |
| 28 augustus | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 31 augustus | 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 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 september | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 september | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 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 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 oktober | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, 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 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 november | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, 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 januari | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 maart | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 31 mei | 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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