| 29 Mezheven | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 29 Mezheven | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 Mezheven | Rencontre Saint-Étienne et sud Loire | Saint-Étienne, Auvergne-Rhône-Alpes, France |
| 30 Mezheven | Webinaire en ligne - Hydrants, armoires de rue, poteaux et bâtiments de service |
| 30 Mezheven | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 30 Mezheven | London pub meet-up | City of Westminster, England, United Kingdom |
| 30 Mezheven | East Midlands pub meet-up | Derby, England, United Kingdom |
| 1–31 Gouere | MapCup Asia Pacific 2026 |
| 1 Gouere | iD Community Chat |
| 1 Gouere | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 2–3 Gouere | Missing Maps mapathon Žilina #23 a StreetComplete Žilina #3 | Žilina, Slovakia |
| 2 Gouere | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 2 Gouere | IntroLAB ✦ OpenStreetMap | Ghent, East Flanders, Belgium |
| 2 Gouere | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 3–4 Gouere | State of the Map Colombia (SotMCol) 2026 | Bogota, Bogota, Capital District, Colombia |
| 3 Gouere | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Mapas Web com uMap | Rio de Janeiro, Rio de Janeiro, Brazil |
| 4 Gouere | Braunschweiger OSM-Treffen Mappingtour: Zusammen Braunschweig mappen | Brunswick, Lower Saxony, Germany |
| 4 Gouere | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 Gouere | London Data Week: Mapping festival with Missing Maps Mapathon | Greater London, England, United Kingdom |
| 7 Gouere | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 Gouere | OSM-Znacht in Bern | Bern, Bern, Switzerland |
| 7 Gouere | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 8–9 Gouere | FOSS4GNL | Groningen, Groningen, Netherlands |
| 9–11 Gouere | FOSS4G IT & OSMit 2026 | Sardagna, Trento, Trentino – Alto Adige/Südtirol, Italy |
| 11–12 Gouere | Indoor OSM Workshop 2026 | Berlin, Germany |
| 12 Gouere | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 12 Gouere | OSM Chennai Mapping Party – Tambaram Market |
| 13 Gouere | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 14 Gouere | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14 Gouere | Hamburger Mappertreffen | Hamburg, Germany |
| 14 Gouere | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 Gouere | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 21 Gouere | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 21 Gouere | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 Gouere | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21 Gouere | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 Gouere | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 28 Gouere | OSM-Verkehrswende #77 | Berlin, Germany |
| 29 Gouere | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 Eost | OSM India - Monthly Online Mapathon | New Delhi, India |
| 4 Eost | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 4 Eost | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 6 Eost | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 9 Eost | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 9 Eost | OSM Delhi Mapping Party No.31 (North Zone) | New Delhi, India |
| 10 Eost | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 11 Eost | Hamburger Mappertreffen | Hamburg, Germany |
| 11 Eost | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 12 Eost | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 15–16 Eost | OSM auf der Maker Faire Hannover 2026 | Hanover, Lower Saxony, Germany |
| 16 Eost | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 18 Eost | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 18 Eost | 3. OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 18 Eost | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 Eost | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 Eost | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 Eost | Potsdamer Mappertreffen | Potsdam, Brandenburg, Germany |
| 25 Eost | East Midlands pub meet-up | Derby, England, United Kingdom |
| 26 Eost | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 26 Eost | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26 Eost | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 27 Eost | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28–30 Eost | State of the Map 2026 | Champs-sur-Marne, Ile-de-France, France |
| 28 Eost | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 31 Eost | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 Gwengolo | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 Gwengolo | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 2 Gwengolo | OSM Indoor Meetup |
| 5 Gwengolo | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 Gwengolo | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 8 Gwengolo | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 10 Gwengolo | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 Gwengolo | OSM Delhi Mapping Party No.32 (Outside Delhi) | New Delhi, India |
| 15 Gwengolo | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 Gwengolo | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 Gwengolo | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 Gwengolo | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 Gwengolo | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 16 Gwengolo | OSM Stammtisch Köln | Cologne, North Rhine-Westphalia, Germany |
| 22 Gwengolo | East Midlands pub meet-up | Derby, England, United Kingdom |
| 25 Gwengolo | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 Gwengolo | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 2–4 Here | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 Here | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 3 Here | OSM India - Monthly Online Mapathon | New Delhi, India |
| 5 Here | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 Here | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 Here | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 11 Here | OSM Delhi Mapping Party No.33 (East Zone) | New Delhi, India |
| 13 Here | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 Here | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 20 Here | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 Here | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 Here | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 Here | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 Here | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 Here | State of the Map LATAM 2026 in Mexico City | Mexico City, Mexico City, Mexico |
| 27 Here | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 Here | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 Du | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 Du | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 7 Du | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 Du | OSM Delhi Mapping Party No.34 (South Zone) | New Delhi, India |
| 9 Du | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 Du | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11 Du | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 17 Du | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 Du | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 Du | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 Du | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 Du | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 Kerzu | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 Kerzu | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 5 Kerzu | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 Kerzu | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 Kerzu | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 Kerzu | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 10 Kerzu | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 Kerzu | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 Kerzu | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15 Kerzu | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 Kerzu | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 Kerzu | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 Kerzu | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 Kerzu | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 Genver | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 Meurzh | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 31 Mae | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 Gouere | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 Gwengolo | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 Du | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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