| 6–7 سپتامبر | State of the Map Asia 2026 | Osaka, Japan |
| 7 سپتامبر | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 8 سپتامبر | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 8 سپتامبر | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 8 سپتامبر | Hamburger Mappertreffen | Hamburg, Germany |
| 8 سپتامبر | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 سپتامبر | iD Community Chat |
| 9 سپتامبر | Rencontre locale de Touraine | Tours, Centre-Val de Loire, France |
| 10 سپتامبر | 219. OSM-Stammtisch Berlin-Brandenburg | Berlin, Germany |
| 10 سپتامبر | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 10 سپتامبر | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 سپتامبر | 191. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 13 سپتامبر | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 13 سپتامبر | OSM Delhi Mapping Party No.32 (South Extension) | Delhi, Delhi, India |
| 14 سپتامبر | EAW Volunteering Event | Greater London, England, United Kingdom |
| 14 سپتامبر | CartONG : Mapathons en ligne 2026-2027 |
| 15 سپتامبر | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 سپتامبر | Bay Area WikiSalon | San Francisco, California, United States |
| 15 سپتامبر | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15 سپتامبر | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 سپتامبر | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 سپتامبر | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 سپتامبر | South Bay Map Night | San Jose, California, United States |
| 15 سپتامبر | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 16 سپتامبر | Map The Climate! Ein Mapathon | St. Gallen, St. Gallen, Switzerland |
| 16 سپتامبر | OSM Stammtisch Köln | Cologne, North Rhine-Westphalia, Germany |
| 16 سپتامبر | COntrib'atelier | Nantes, Pays de la Loire, France |
| 16 سپتامبر | Réunion du groupe local de Vienne | Vienne, Auvergne-Rhône-Alpes, France |
| 18–19 سپتامبر | OSM auf der Kielux 2026 | Kiel, Schleswig-Holstein, Germany |
| 22 سپتامبر | East Midlands pub meet-up | Derby, England, United Kingdom |
| 22 سپتامبر | OSM-Verkehrswende #79 | Berlin, Germany |
| 23 سپتامبر | Stammtisch | Hanover, Lower Saxony, Germany |
| 23 سپتامبر | OpenStreetMap, la carte à la carte ! | Nantes, Pays de la Loire, France |
| 23 سپتامبر | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 23 سپتامبر | London pub meet-up | City of Westminster, England, United Kingdom |
| 24 سپتامبر | Pravidelný Missing Maps CZ-SK online Mapathon |
| 24 سپتامبر | OSM-Treffen Freiburg/Br. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 25–27 سپتامبر | OSM India @ IndiaFOSS 2026 | Bengaluru, Karnataka, India |
| 25 سپتامبر | UN Mappers Mappy Hour |
| 25 سپتامبر | Conferencia "OpenStreetMap: Datos abiertos y más" | Torreón, Coahuila, Mexico |
| 25 سپتامبر | Taller "Mapeando mi entorno" | Torreón, Coahuila, Mexico |
| 25 سپتامبر | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 سپتامبر | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 26 سپتامبر | OpenStreetMap, la balade de la data | Nantes, Pays de la Loire, France |
| 26 سپتامبر | Sudan Solidarity Series |
| 27 سپتامبر | Mapping meetup in Uppsala | Uppsala, Sweden |
| 28 سپتامبر | CartONG : Mapathons en ligne 2026-2027 |
| 30 سپتامبر | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 1 اکتبر | Angers Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 1 اکتبر | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 2–4 اکتبر | Hackathon Wikimedia & OSM | Messina, Sicily, Italy |
| 2–4 اکتبر | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 اکتبر | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 3 اکتبر | OSM India - Monthly Online Mapathon | New Delhi, India |
| 5 اکتبر | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6–9 اکتبر | Open Transport Community Conference 2026 | Bern, Bern, Switzerland |
| 6 اکتبر | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 اکتبر | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 اکتبر | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 8 اکتبر | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 11 اکتبر | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 11 اکتبر | OSM Delhi Mapping Party No.33 (East Zone) | New Delhi, India |
| 12 اکتبر | CartONG : Mapathons en ligne 2026-2027 |
| 13 اکتبر | Hamburger Mappertreffen | Hamburg, Germany |
| 13 اکتبر | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 اکتبر | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 اکتبر | FOSS4G Belgium | Brussels, Belgium |
| 17 اکتبر | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 20 اکتبر | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 اکتبر | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 20 اکتبر | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 اکتبر | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 اکتبر | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 24–25 اکتبر | OSM Hackweekend Berlin-Brandenburg 10/2026 | Berlin, Germany |
| 25 اکتبر | Mapping meetup in Uppsala | Uppsala, Sweden |
| 26 اکتبر | CartONG : Mapathons en ligne 2026-2027 |
| 26 اکتبر | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 اکتبر | State of the Map Latam 2026 | Mexico City, Mexico City, Mexico |
| 27 اکتبر | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 اکتبر | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 نوامبر | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 5 نوامبر | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 7 نوامبر | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 7 نوامبر | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 نوامبر | OSM Delhi Mapping Party No.34 (South Zone) | New Delhi, India |
| 9 نوامبر | CartONG : Mapathons en ligne 2026-2027 |
| 9 نوامبر | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 نوامبر | Hamburger Mappertreffen | Hamburg, Germany |
| 10 نوامبر | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11 نوامبر | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 17 نوامبر | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 نوامبر | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 نوامبر | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 نوامبر | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 نوامبر | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 نوامبر | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 23 نوامبر | CartONG : Mapathons en ligne 2026-2027 |
| 25 نوامبر | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 نوامبر | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 1 دسامبر | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 دسامبر | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 3 دسامبر | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 5 دسامبر | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 دسامبر | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 دسامبر | Hamburger Mappertreffen | Hamburg, Germany |
| 8 دسامبر | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 دسامبر | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 10 دسامبر | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 دسامبر | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 دسامبر | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 14 دسامبر | CartONG : Mapathons en ligne 2026-2027 |
| 15 دسامبر | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 دسامبر | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15 دسامبر | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 دسامبر | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 دسامبر | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 دسامبر | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 11 ژانویه | CartONG : Mapathons en ligne 2026-2027 |
| 25 ژانویه | CartONG : Mapathons en ligne 2026-2027 |
| 25 ژانویه | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 8 فوریه | CartONG : Mapathons en ligne 2026-2027 |
| 22 فوریه | CartONG : Mapathons en ligne 2026-2027 |
| 8 مارس | CartONG : Mapathons en ligne 2026-2027 |
| 22 مارس | CartONG : Mapathons en ligne 2026-2027 |
| 29 مارس | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 12 آوریل | CartONG : Mapathons en ligne 2026-2027 |
| 26 آوریل | CartONG : Mapathons en ligne 2026-2027 |
| 10 مه | CartONG : Mapathons en ligne 2026-2027 |
| 24 مه | CartONG : Mapathons en ligne 2026-2027 |
| 31 مه | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 14 ژوئن | CartONG : Mapathons en ligne 2026-2027 |
| 28 ژوئن | CartONG : Mapathons en ligne 2026-2027 |
| 26 جولای | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 سپتامبر | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 نوامبر | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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