| 22 rujna | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 22 rujna | East Midlands pub meet-up | Derby, England, United Kingdom |
| 22 rujna | Edinburgh Social | City of Edinburgh, Scotland, United Kingdom |
| 22 rujna | OSM-Verkehrswende #79 | Berlin, Germany |
| 22 rujna | Mappiamo le piste ciclabili - Catania | Catania, Sicily, Italy |
| 23 rujna | PoliMappers Maptedì | Milan, Lombardy, Italy |
| 23 rujna | OpenStreetMap, la carte à la carte ! | Nantes, Pays de la Loire, France |
| 23 rujna | Stammtisch | Hanover, Lower Saxony, Germany |
| 23 rujna | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 23 rujna | London pub meet-up | City of Westminster, England, United Kingdom |
| 24 rujna | Pravidelný Missing Maps CZ-SK online Mapathon |
| 24 rujna | 🇧🇷 Lançamento de livros sobre mapeamento colaborativo | Rio de Janeiro, Rio de Janeiro, Brazil |
| 24 rujna | OSM-Treffen Freiburg/Br. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 25–27 rujna | OSM India @ IndiaFOSS 2026 | Bengaluru, Karnataka, India |
| 25 rujna | UN Mappers Mappy Hour |
| 25 rujna | Conferencia "OpenStreetMap: Datos abiertos y más" | Torreón, Coahuila, Mexico |
| 25 rujna | Taller "Mapeando mi entorno" | Torreón, Coahuila, Mexico |
| 25 rujna | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 rujna | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 26 rujna | OSM Workshop SotM Kerala Pre-event -1 | Kozhippara, Kerala, India |
| 26 rujna | OpenStreetMap, la balade de la data | Nantes, Pays de la Loire, France |
| 26 rujna | Sudan Solidarity Series |
| 27 rujna | Mapping meetup in Uppsala | Uppsala, Sweden |
| 28 rujna | CartONG : Mapathons en ligne 2026-2027 |
| 29 rujna | 4. OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 29 rujna | South Bay Wiki and OpenStreetMap Meetup | Palo Alto, California, United States |
| 30 rujna | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 1 listopada | Angers Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 1 listopada | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 2–4 listopada | Hackathon Wikimedia & OSM | Messina, Sicily, Italy |
| 2–4 listopada | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 listopada | GeoCamp 2026 | Langreo, Asturias, Spain |
| 3 listopada | OSM India - Monthly Online Mapathon | New Delhi, Delhi, India |
| 3 listopada | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5 listopada | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6–9 listopada | Open Transport Community Conference 2026 | Bern, Bern, Switzerland |
| 6 listopada | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 listopada | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 6 listopada | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 listopada | iD Community Chat |
| 7 listopada | Junta d'OpenStreetMap Català | Barcelona, Catalonia, Spain |
| 7 listopada | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 8 listopada | Missing Maps Mapathon (Beginner) - Bangkok, Thailand |
| 8 listopada | Brussels meetup - byebye Thierry & Joost | Brussels, Belgium |
| 8 listopada | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 9 listopada | OSM-Znacht in Bern | Bern, Bern, Switzerland |
| 10 listopada | Modifichiamo Wiki e OSM insieme! - Catania | Catania, Sicily, Italy |
| 10 listopada | OpenStreetMap, des cartes à la carte ! | Angers, Pays de la Loire, France |
| 11 listopada | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 11 listopada | OpenStreetMap, des cartes à la carte ! | Angers, Pays de la Loire, France |
| 11 listopada | OSM Delhi Mapping Party No.33 (East Zone) | New Delhi, India |
| 12 listopada | Panoramax Nederland - Online Community Meeting #1 |
| 12 listopada | CartONG : Mapathons en ligne 2026-2027 |
| 12 listopada | 2026 Autumn Maptime | Amsterdam, North Holland, Netherlands |
| 13 listopada | Hamburger Mappertreffen | Hamburg, Germany |
| 13 listopada | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 listopada | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 14 listopada | Assemblea d'OpenStreetMap Català | Barcelona, Catalonia, Spain |
| 15 listopada | FOSS4G Belgium | Brussels, Belgium |
| 16 listopada | OSMF Engineering Working Group meeting |
| 17 listopada | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 20 listopada | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 listopada | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 20 listopada | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 listopada | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 listopada | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 listopada | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 24–25 listopada | OSM Hackweekend Berlin-Brandenburg 10/2026 | Berlin, Germany |
| 25 listopada | Mapping meetup in Uppsala | Uppsala, Sweden |
| 26 listopada | CartONG : Mapathons en ligne 2026-2027 |
| 26 listopada | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 listopada | State of the Map Latam 2026 | Mexico City, Mexico City, Mexico |
| 27 listopada | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 27 listopada | East Midlands pub meet-up | Derby, England, United Kingdom |
| 28 listopada | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 31 listopada | Linux Day 2026 in Pesaro | Pesaro, Marche, Italy |
| 3 studenoga | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 5 studenoga | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 7 studenoga | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 7 studenoga | Mapathon @ Angera | Angera, Lombardy, Italy |
| 7 studenoga | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 studenoga | OSM Delhi Mapping Party No.34 (South Zone) | New Delhi, India |
| 9 studenoga | CartONG : Mapathons en ligne 2026-2027 |
| 9 studenoga | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 studenoga | Hamburger Mappertreffen | Hamburg, Germany |
| 10 studenoga | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11 studenoga | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14–15 studenoga | State of the Map Kerala | Ettumanoor, Kerala, India |
| 17 studenoga | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 studenoga | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 studenoga | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 studenoga | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 studenoga | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 studenoga | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 23 studenoga | CartONG : Mapathons en ligne 2026-2027 |
| 25 studenoga | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 studenoga | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 1 prosinca | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 prosinca | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 3 prosinca | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 5 prosinca | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 prosinca | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 prosinca | Hamburger Mappertreffen | Hamburg, Germany |
| 8 prosinca | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 prosinca | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 10 prosinca | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 prosinca | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 prosinca | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 14 prosinca | CartONG : Mapathons en ligne 2026-2027 |
| 15 prosinca | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 prosinca | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15 prosinca | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 prosinca | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 prosinca | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 prosinca | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 11 siječnja | CartONG : Mapathons en ligne 2026-2027 |
| 25 siječnja | CartONG : Mapathons en ligne 2026-2027 |
| 25 siječnja | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 8 veljače | CartONG : Mapathons en ligne 2026-2027 |
| 22 veljače | CartONG : Mapathons en ligne 2026-2027 |
| 8 ožujka | CartONG : Mapathons en ligne 2026-2027 |
| 22 ožujka | CartONG : Mapathons en ligne 2026-2027 |
| 29 ožujka | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 12 travnja | CartONG : Mapathons en ligne 2026-2027 |
| 26 travnja | CartONG : Mapathons en ligne 2026-2027 |
| 10 svibnja | CartONG : Mapathons en ligne 2026-2027 |
| 24 svibnja | CartONG : Mapathons en ligne 2026-2027 |
| 31 svibnja | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 14 lipnja | CartONG : Mapathons en ligne 2026-2027 |
| 28 lipnja | CartONG : Mapathons en ligne 2026-2027 |
| 26 srpnja | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 rujna | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 studenoga | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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