| 12 abuztua | Missing Maps Online Mapathon von Ärzte ohne Grenzen |
| 12 abuztua | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 abuztua | UN Mappers Mappy Hour |
| 15–16 abuztua | OSM auf der FrOSCon 2026 in Sankt Augustin | Sankt Augustin, North Rhine-Westphalia, Germany |
| 15–16 abuztua | OSM auf der Maker Faire Hannover 2026 | Hanover, Lower Saxony, Germany |
| 16 abuztua | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 16 abuztua | OSM Chennai Mapping Party – Tambaram Market |
| 18 abuztua | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 18 abuztua | 3. OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 18 abuztua | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 18 abuztua | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 abuztua | East Midlands pub meet-up | Derby, England, United Kingdom |
| 18 abuztua | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 abuztua | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 19 abuztua | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 20 abuztua | Maptime Amsterdam: 2026 Summertime Maptime | Amsterdam, North Holland, Netherlands |
| 21 abuztua | Potsdamer Mappertreffen × 218. OSM-Stammtisch Berlin-Brandenburg | Potsdam, Brandenburg, Germany |
| 24 abuztua | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 25 abuztua | OSM-Verkehrswende #78 | Berlin, Germany |
| 26 abuztua | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 26 abuztua | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26 abuztua | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 27 abuztua | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28–30 abuztua | State of the Map 2026 | Champs-sur-Marne, Ile-de-France, France |
| 28 abuztua | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 31 abuztua | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 31 abuztua | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 31 abuztua | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 iraila | OSM-Stammtisch Münster | Münster, North Rhine-Westphalia, Germany |
| 1 iraila | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 iraila | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 2 iraila | SOTM/2 CZ | Prague, Czechia |
| 2 iraila | OSM Indoor Meetup |
| 2 iraila | OSM Indoor Meetup |
| 2 iraila | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 3 iraila | Angers Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 5 iraila | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 iraila | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 8 iraila | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 8 iraila | Hamburger Mappertreffen | Hamburg, Germany |
| 8 iraila | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 10 iraila | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 iraila | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 13 iraila | OSM Delhi Mapping Party No.32 (Outside Delhi) | New Delhi, India |
| 14 iraila | CartONG : Mapathons en ligne 2026-2027 |
| 15 iraila | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 iraila | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 iraila | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 iraila | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 iraila | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 16 iraila | Map The Climate! Ein Mapathon | St. Gallen, St. Gallen, Switzerland |
| 16 iraila | OSM Stammtisch Köln | Cologne, North Rhine-Westphalia, Germany |
| 22 iraila | East Midlands pub meet-up | Derby, England, United Kingdom |
| 24 iraila | OSM-Treffen Freiburg/Br. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 25 iraila | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 iraila | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 26 iraila | Sudan Solidarity Series |
| 28 iraila | CartONG : Mapathons en ligne 2026-2027 |
| 30 iraila | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 1 urria | Angers Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 2–4 urria | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 urria | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 3 urria | OSM India - Monthly Online Mapathon | New Delhi, India |
| 5 urria | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 urria | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 urria | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 11 urria | OSM Delhi Mapping Party No.33 (East Zone) | New Delhi, India |
| 12 urria | CartONG : Mapathons en ligne 2026-2027 |
| 13 urria | Hamburger Mappertreffen | Hamburg, Germany |
| 13 urria | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 urria | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 20 urria | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 urria | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 urria | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 urria | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 urria | CartONG : Mapathons en ligne 2026-2027 |
| 26 urria | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 urria | State of the Map LATAM 2026 | Mexico City, Mexico City, Mexico |
| 27 urria | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 urria | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 azaroa | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 azaroa | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 7 azaroa | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 azaroa | OSM Delhi Mapping Party No.34 (South Zone) | New Delhi, India |
| 9 azaroa | CartONG : Mapathons en ligne 2026-2027 |
| 9 azaroa | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 azaroa | Hamburger Mappertreffen | Hamburg, Germany |
| 10 azaroa | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11 azaroa | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 17 azaroa | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 azaroa | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 azaroa | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 azaroa | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 23 azaroa | CartONG : Mapathons en ligne 2026-2027 |
| 25 azaroa | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 25 azaroa | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 abendua | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 abendua | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 5 abendua | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 abendua | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 abendua | Hamburger Mappertreffen | Hamburg, Germany |
| 8 abendua | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 abendua | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 10 abendua | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 abendua | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 abendua | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 14 abendua | CartONG : Mapathons en ligne 2026-2027 |
| 15 abendua | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 abendua | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 abendua | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 abendua | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 abendua | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 11 urtarrila | CartONG : Mapathons en ligne 2026-2027 |
| 25 urtarrila | CartONG : Mapathons en ligne 2026-2027 |
| 25 urtarrila | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 8 otsaila | CartONG : Mapathons en ligne 2026-2027 |
| 22 otsaila | CartONG : Mapathons en ligne 2026-2027 |
| 8 martxoa | CartONG : Mapathons en ligne 2026-2027 |
| 22 martxoa | CartONG : Mapathons en ligne 2026-2027 |
| 29 martxoa | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 12 apirila | CartONG : Mapathons en ligne 2026-2027 |
| 26 apirila | CartONG : Mapathons en ligne 2026-2027 |
| 10 maiatza | CartONG : Mapathons en ligne 2026-2027 |
| 24 maiatza | CartONG : Mapathons en ligne 2026-2027 |
| 31 maiatza | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 14 ekaina | CartONG : Mapathons en ligne 2026-2027 |
| 28 ekaina | CartONG : Mapathons en ligne 2026-2027 |
| 26 uztaila | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 iraila | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 azaroa | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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