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OpenStreetMapへようこそ。それは世界のために、フリーな地図データを作成・配布する事を目指したプロジェクトです。多くの人々は地図を「フリー」であると思っています。しかし実際には、地図の利用には著作権などの法的問題・技術的な制約があります。それらが、人々が創造的・生産的・革新的に地図を利用することを阻んでいるのです。そこでわたしたちは、この問題を解決するためにOpenStreetMapプロジェクトを始めました。

OpenStreetMapについて | 協力方法 | ヘルプ

OpenStreetMapを使う
フリーの地図データに協力
ソフトウェア開発
  • ソフトウェア開発でのOpenStreetMap利用方法
  • OpenStreetMapのソフトウェアに協力
作業する方を募集中 ±
ニュース edit
2025
12月30日2025-12-30–2025-12-31 Thank you for the 2 Bitcoin donation to OpenStreetMap!
12月14日2025-12-14–2025-12-15 Announcing the 2025 Microgrant Program Grantees
12月8日2025-12-08–2025-12-09 Results of the State of the Map 2025 Travel Grant Programme.
12月5日2025-12-05–2025-12-06 Announcement: The State of the Map 2026 conference will take place in Paris.
10月5日2025-10-05–2025-10-06 Maintenance: The OpenStreetMap.org website and our mapping API will be read-only for server maintenance on the 5 October 2025 between 9:00 and 12:00 (UTC/GMT). Further details will be posted on community.osm.org and Mastodon.
10月3日2025-10-03–2025-10-04 The OSM Foundation at State of the Map Latin America 2025.
9月24日2025-09-24–2025-09-25 Meet Pablo Brasero Moreno, the OSM Foundation's new Core Software Engineer!
9月20日2025-09-20–2025-09-21 Voting for the OpenStreetMap Awards is open now and closes Sept. 30! There are seven categories and the winners will be announced at State of the Map 2025 in Manila.
9月6日2025-09-06–2025-09-07 OSM Foundation board election: Voting is open until 13 September 2025 at 1600 UTC.
9月2日2025-09-02–2025-09-03 Read about the OSM Foundation's participation in the United Nations' Open Source Week, attended by Minh Nguyễn and Sarah Hoffman.
8月16日2025-08-16–2025-08-17 The Call for posters for the State of the Map 2025 conference is open! Submit yours by September 15.
8月1日2025-08-01–2025-08-02 Apply to be the OpenStreetMap Core Software Engineer
7月22日2025-07-22–2025-07-23 Vector Tiles are deployed on OpenStreetMap.org
7月20日2025-07-20–2025-07-21 The Call for Venues for the 2026 State of the Map conference is now open! Can your community host this great event? Bid submissions are due August 31.
7月16日2025-07-16–2025-07-17 The State of the Map 2025 conference programme was published.
7月14日2025-07-14–2025-07-15 Have a bold, brilliant idea that could improve the OpenStreetMap ecosystem? Then we’ve got good news for you: the OpenStreetMap Foundation is thrilled to launch the 2025 edition of our Engineering Microgrants program! The deadline for submissions was extended to July 31.
7月11日2025-07-11–2025-07-12 There was a fix to openstreetmap-website security, if you are a developer using this, some action may be required.
7月1日2025-07-01–2025-07-02 Nominations for OpenStreetMap Awards 2025 are open until 23 July 2025.
6月18日2025-06-18–2025-06-19 The call for State of the Map 2026 venues is open until August 31.
6月15日2025-06-15–2025-06-16 Nominate yourself until July 5 to be an OSM Foundation board candidate. Or submit questions to OSM Foundation board candidates (until July 12).
6月9日2025-06-09–2025-06-10 State of the Map 2025 early bird tickets (for in-person or just online participation) are now available.
古いニュース...
See also Recently approved tags · ブログOpenStreetMap · 週刊OSM · メディア上のOpenStreetMap
Upcoming events (add) – 関連情報: Past Events Event archive 2004-2020
3 1月OSM Braga meetup / mapathonReal, Braga, Portugal
3 1月OpenStreetMap Belgium at the MAP-Mercator museumSint-Niklaas, East Flanders, Belgium
3 1月Braunschweiger Mappertreffen im Stratum0 HackerspaceBrunswick, Lower Saxony, Germany
4 1月OSM India - Monthly Online MapathonNew Delhi, India
6 1月Missing Maps London: (Online) Mapathon [eng]
7 1月iD Community Chat
7 1月Stuttgarter OpenStreetMap-TreffenStuttgart, Baden-Württemberg, Germany
8 1月MapYourGrid webinar: Data quality in OpenStreetMap for energy system planning
8 1月OSM-Treffen in BochumBochum, North Rhine-Westphalia, Germany
8 1月OpenStreetMap Midwest MeetupOhio, United States
8 1月OSM-Stammisch DresdenDresden, Saxony, Germany
9 1月OSMF Engineering Working Group meeting
9 1月Erstes Online-Treffen der OSM-Mapper:innen im SauerlandBad Fredeburg, Schmallenberg, North Rhine-Westphalia, Germany
9 1月183. OSM-Stammtisch ZürichZurich, Zurich, Switzerland
10 1月Mapping party @ New Year's brunch by Wikimedia CHPedrinate, Chiasso, Ticino, Switzerland
11 1月OSM Delhi Mapping Party No.25 (Connaught Place)New Delhi, India
11 1月OSMmapperCPHCopenhagen, Capital Region of Denmark, Denmark
12 1月Missing Maps : Mapathon en ligne - CartONG [fr]
12 1月OpenStreetMap x Wikidata Taipei #84Chengnei, Taipei, Taiwan
13 1月Münchner OSM-TreffenMunich, Bavaria, Germany
18 1月Mapping Party @ SurathkalMukka, Karnataka, India
20 1月East Midlands pub meet-upDerby, England, United Kingdom
20 1月OpenStreetMap Belgium — Arlon / Ardenne belge / Gaume — SocialAubange, Luxembourg, Belgium
20 1月Missing Maps London: (Online) Mid-Month Mapathon [eng]
20 1月Réunion du groupe local de LyonLyon, Auvergne-Rhône-Alpes, France
20 1月196. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
20 1月East Midlands pub meet-upDerby, England, United Kingdom
20 1月OpenStreetMap Belgium — Arlon / Ardenne belge / Gaume — MeetingAubange, Luxembourg, Belgium
20 1月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
24 1月State of the Map India 2026Nashik, Maharashtra, India
26 1月Missing Maps : Mapathon en ligne - CartONG [fr]
27 1月Kieler Mapper*innentreffenKiel, Schleswig-Holstein, Germany
27 1月OSM-Verkehrswende #71Berlin, Germany
29 1月2026 Kickoff Meetup – Mapping, Fireside Chats, Show & Tell, and More!Amsterdam, North Holland, Netherlands
30–31 1月Mapping USA 2026
30 1月OpenStreetMap meetup in GentGhent, East Flanders, Belgium
31 1月Wikiraduno e mapping party ad Aosta @ Fiera di Sant'OrsoArpuilles, Aosta, Aosta Valley, Italy
31 1月OSM Mumbai Mapping Party No.6 (Mumbai City)Mumbai, Maharashtra, India
1 2月OSM India - Monthly Online MapathonNew Delhi, India
3 2月Missing Maps London: (Online) Mapathon [eng]
5 2月OSM-Treffen Freiburg/Brsg.Freiburg im Breisgau, Baden-Württemberg, Germany
7 2月Braunschweiger Mappertreffen im Stratum0 HackerspaceBrunswick, Lower Saxony, Germany
8 2月OSM Delhi Mapping Party No.26 (North Zone)Delhi, India
8 2月OSMmapperCPHCopenhagen, Capital Region of Denmark, Denmark
9 2月Missing Maps : Mapathon en ligne - CartONG [fr]
9 2月OpenStreetMap x Wikidata Taipei #85Chengnei, Taipei, Taiwan
11 2月Online Mapathon von ÄRZTE OHNE GRENZEN
11 2月Münchner OSM-TreffenMunich, Bavaria, Germany
17 2月Missing Maps London: (Online) Mid-Month Mapathon [eng]
17 2月Réunion du groupe local de LyonLyon, Auvergne-Rhône-Alpes, France
17 2月197. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
17 2月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
21–22 2月Karlsruhe Hack Weekend February 2026Karlsruhe, Baden-Württemberg, Germany
21 2月OSM Mumbai Mapping Party No.7 (Western Line - South)Mumbai, Maharashtra, India
23 2月Missing Maps : Mapathon en ligne - CartONG [fr]
1 3月OSM India - Monthly Online MapathonNew Delhi, India
3 3月Missing Maps London: (Online) Mapathon [eng]
8 3月OSM Delhi Mapping Party No.27 (East Zone)Delhi, India
9 3月Missing Maps : Mapathon en ligne - CartONG [fr]
12 3月Münchner OSM-TreffenMunich, Bavaria, Germany
16 3月OpenStreetMap x Wikidata Taipei #86Chengnei, Taipei, Taiwan
17 3月Missing Maps London: (Online) Mid-Month Mapathon [eng]
17 3月Réunion du groupe local de LyonLyon, Auvergne-Rhône-Alpes, France
17 3月198. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
17 3月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
21 3月OSM Mumbai Mapping Party No.8 (Western Line - North)Vasai-Virar, Maharashtra, India
23 3月Missing Maps : Mapathon en ligne - CartONG [fr]
24 3月Rencontre OpenStreetMap et TerritoiresPlouzané, Brittany, France
28–29 3月Chemnitzer Linux-Tage 2026Chemnitz, Saxony, Germany
5 4月OSM India - Monthly Online MapathonNew Delhi, India
7 4月Missing Maps London: (Online) Mapathon [eng]
12 4月OSM Delhi Mapping Party No.28 (Meerut)Meerut, Uttar Pradesh, India
13 4月Missing Maps : Mapathon en ligne - CartONG [fr]
13 4月OpenStreetMap x Wikidata Taipei #87Chengnei, Taipei, Taiwan
14 4月Münchner OSM-TreffenMunich, Bavaria, Germany
18 4月OSM Mumbai Mapping Party No.9 (Central Line)Mumbai, Maharashtra, India
21 4月Missing Maps London: (Online) Mid-Month Mapathon [eng]
21 4月Réunion du groupe local de LyonLyon, Auvergne-Rhône-Alpes, France
21 4月199. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
21 4月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
27 4月Missing Maps : Mapathon en ligne - CartONG [fr]
28 4月Kieler Mapper*innentreffenKiel, Schleswig-Holstein, Germany
30 4月–3 5月FOSSGIS-OSM-Communitytreffen im LinuxhotelEssen, North Rhine-Westphalia, Germany
3 5月OSM India - Monthly Online MapathonNew Delhi, India
5 5月Missing Maps London: (Online) Mapathon [eng]
10 5月OSM Delhi Mapping Party No.29 (South Zone)Delhi, India
11 5月Missing Maps : Mapathon en ligne - CartONG [fr]
11 5月OpenStreetMap x Wikidata Taipei #88Chengnei, Taipei, Taiwan
13 5月Münchner OSM-TreffenMunich, Bavaria, Germany
16 5月OSM Mumbai Mapping Party No.10 (Trans-Harbour Line - North)Navi Mumbai, Maharashtra, India
19 5月Missing Maps London: (Online) Mid-Month Mapathon [eng]
19 5月Réunion du groupe local de LyonLyon, Auvergne-Rhône-Alpes, France
19 5月200. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
19 5月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
25 5月Missing Maps : Mapathon en ligne - CartONG [fr]
2 6月Missing Maps London: (Online) Mapathon [eng]
7 6月OSM India - Monthly Online MapathonNew Delhi, India
8 6月Missing Maps : Mapathon en ligne - CartONG [fr]
8 6月OpenStreetMap x Wikidata Taipei #89Chengnei, Taipei, Taiwan
11 6月Münchner OSM-TreffenMunich, Bavaria, Germany
14 6月OSM Delhi Mapping Party No.30 (West Zone)Delhi, India
16 6月Missing Maps London: (Online) Mid-Month Mapathon [eng]
16 6月Réunion du groupe local de LyonLyon, Auvergne-Rhône-Alpes, France
16 6月201. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
16 6月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
20 6月OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South)Maharashtra, India
22 6月Missing Maps : Mapathon en ligne - CartONG [fr]
26–28 6月State of the Map Africa 2025Dar es-Salaam, Tanzania
7 7月Missing Maps London: (Online) Mapathon [eng]
13 7月OpenStreetMap x Wikidata Taipei #90Chengnei, Taipei, Taiwan
21 7月Missing Maps London: (Online) Mid-Month Mapathon [eng]
21 7月202. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
21 7月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
4 8月Missing Maps London: (Online) Mapathon [eng]
10 8月OpenStreetMap x Wikidata Taipei #91Chengnei, Taipei, Taiwan
18 8月Missing Maps London: (Online) Mid-Month Mapathon [eng]
18 8月203. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
18 8月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
27 8月OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day
1 9月Missing Maps London: (Online) Mapathon [eng]
7 9月OpenStreetMap x Wikidata Taipei #92Chengnei, Taipei, Taiwan
15 9月Missing Maps London: (Online) Mid-Month Mapathon [eng]
15 9月204. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
15 9月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
5 10月OpenStreetMap x Wikidata Taipei #93Chengnei, Taipei, Taiwan
6 10月Missing Maps London: (Online) Mapathon [eng]
20 10月Missing Maps London: (Online) Mid-Month Mapathon [eng]
20 10月205. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
20 10月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
3 11月Missing Maps London: (Online) Mapathon [eng]
9 11月OpenStreetMap x Wikidata Taipei #94Chengnei, Taipei, Taiwan
17 11月Missing Maps London: (Online) Mid-Month Mapathon [eng]
17 11月206. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
17 11月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
1 12月Missing Maps London: (Online) Mapathon [eng]
7 12月OpenStreetMap x Wikidata Taipei #95Chengnei, Taipei, Taiwan
15 12月Missing Maps London: (Online) Mid-Month Mapathon [eng]
15 12月207. OSM-Stammtisch BonnBonn, North Rhine-Westphalia, Germany
15 12月Lüneburger Mappertreffen (online)Lüneburg, Lower Saxony, Germany
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