Mailing lists

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The mailing lists are the traditional communication channel of the OpenStreetMap project, and nowadays coexist with other platforms such as the forums. An attempt to collect the information about local communication channels is done at the osm-community-index (browse as a website).

The canonical list of mailing lists available is at

Please note that even if the lists are moderated, you have to become a member of the mailing list to send an email to that list!

Lists provided by OSMF or a local chapter

The OpenStreetMap mailing lists by OSMF live on The French and the German local chapters provide lists at and The following list excludes unused lists.

Topic lists in English

Info Description Code of Conduct Admins Additional moderators Archive Mirrors
accessibility For discussion about accessibility: OSM for disabled users and mappers (Blind, wheelchair, deaf etc.). Lulu-Ann Bahnpirat archive Gmane
announce a low-volume moderated announcement list (mostly about technical downtimes) Mike Collinson
Jonathan Bennett
archive Gmane
dev For developer discussion. Mikel Maron
Mike Collinson
Andy Robinson
Ian Dees archive Gmane
diversity-talk For discussion of diversity initiatives in OpenStreetMap Yes Amanda McCann (+1 other) archive Gmane
geocoding For discussion of geocoding. Tom Hughes archive Gmane
historic Historic mapping (time dimension, historical data not allowed on OSM) Yes Jeff Meyer archive Gmane
HOT For Humanitarian OSM Team discussion and response. Yes Mikel Maron archive Gmane
HOT-announce Important HOT announcements and updates only. Very low volume. archive
imports For discussion of data imports. Ian Dees archive Gmane
imports-us For discussion of data imports impacting the United States. Yes Ian Dees archive Gmane
josm-dev For JOSM developer discussion. Frederik Ramm archive Gmane
learnosm-coord Coordination group for archive
legal-general General discussions about alternative OSM licensing scenarios. Mike Collinson
Frederik Ramm
archive Gmane
legal-talk For discussion of specific legal issues relating to the current and proposed license including use of OSM data and compatibility of other data sources. Richard Fairhurst archive Gmane
local-chapters General discusion of topics relevant for (local) chapters of the OSM Foundation Simon Poole archive Gmane
lorodux-dev LoroDux developers Lulu-Ann
Daniel Haenssgen
machine-learning Conversations around machine learning and OpenStreetMap. Felix Delattre archive
mapcss For MapCSS implementers and stylesheet authors. Richard Fairhurst archive
maproulette MapRoulette general discussion and development archive
merkaartor For Merkaartor OpenStreetMap editor for Unix/Windows/Mac discussion. Christian Browet archive Gmane
openhiking Mailing list to discuss tagging and rendering hiking trails using the OpenStreetMap Database archive
osm-professional OSM Professional. A general discussion forum for professional (commercial, government, non-profit , NGO, ...) users of OpenStreetMap geodata. Kate Chapman archive
osm2world Discussion about OSM2World, the 3D renderer Tobias Knerr archive
osm4j Discussion about osm4j, a lightweight Java programming framework for working with OSM data archive
osmcha-dev Discussion of OSMCha development and APIs (higher level talks, announcements of downtime and releases, etc) archive
osmf-announce OpenStreetMap Foundation member announcements (low volume), Foundation members only. Mike Collinson archive
osmf-talk Talk about the OpenStreetMap Foundation, closed list for Foundation members. Archives are public. Mike Collinson
Frederik Ramm
Simone Cortesi
osmosis-dev For Osmosis developer discussion. Brett Henderson archive Gmane
osrm-talk Mailing list to discuss Project OSRM archive
outdoor-natural Outdoor sports, wilderness and natural features mapping. Everything from scuba diving to paragliding, from undersea volcanoes to Mount Everest, related software and talk. All

languages welcome.

User:RicoZ archive
Overpass dev Overpass API development / system administration list User:Sletuffe archive Gmane
party For discussion and organisation of mapping parties. Richard Fairhurst archive
photon Photon Geocoder archive
photos For discussion and organisation of the use of photos in mapping. John McKerrell archive Gmane
potlatch-dev For Potlatch developer discussion. Richard Fairhurst archive
rails-dev Discussion of rails port (web site) development Tom Hughes archive
routing For discussion about routing with vector data. Jörg Ostertag archive Gmane
science Discuss anything science related in the OpenStreetMap ecosystem Joost Schouppe archive
sotm-asia Planning for SotM Asia archive
strategic Fundraising, planning and strategy for OSMF Mikel Maron Richard Weait archive
tagging For tag discussion, strategy and related tools. - High traffic! It may be a good idea to register with a secondary email account. Richard Fairhurst archive Gmane
taginfo-dev For developers of Taginfo, users of the Taginfo API and people running their own Taginfo instance. Jochen Topf archive
talk For general OpenStreetMap user discussion. Mikel Maron
Mike Collinson
Andy Robinson
archive Gmane
talk-transit For discussion about public transport. Peter Miller
Frankie Roberto
Stefan Bethke
archive Gmane
teachOSM teachOSM project discussion Yes Steven Johnson archive
tile-serving For discussion about OSM tile serving infrastructure. archive
umap Discussions about uMap project archive

Topic lists in a local language

Info Description Code of Conduct Admins Additional moderators Archive Mirrors
dev-fr Technical topics in French archive Gmane
dev-italia Developer discussion in Italian archive
HOT-francophone For Humanitarian OSM Team discussion and response (discussion in French). sev_osm
augustind archive
tagging-fr For tag discussion, strategy and related tools (discussion in French). sev_osm archive
transport French public transport discussion archive

Country-specific lists

Info Description Code of Conduct Admins Additional moderators Archive Mirrors
talk-af Afghanistan specific topics and discussion Kate Chapman archive
talk-africa African topics Mikel Maron archive
talk-al OpenStreetMap mailing list of the Albanian speaking community archive
talk-ar Argentina specific topics and discussion Guillermo Sansovic archive
talk-asia OpenStreetMap across Asia archive
talk-at Austria specific topics and discussion (Usually in German but English is welcome) Norbert Wenzel
Andreas Labres
Nabble Account: Markus Mayr
archive Gmane
talk-au Australia specific topics and discussion Richard Weait archive Gmane
talk-ba Bosnia and Herzegovina specific topics and discussion archive
talk-baltics Discussion on topics for three small baltic states - Estonia, Latvia, Lithuania archive
talk-bd Bangladesh specific topics and discussion Larry O'Neill
Syed Ishtiaque Ahmed
TasaufA BakiBillah Ribin
talk-be Belgium specific topics and discussion. English used as compromise between French and Dutch. But everyone can use their own language, especially for regional topics. Johan Huysmans
Mark Van den Borre
archive Gmane
talk-bf Burkina Faso specific topics and discussion Helge Fahrnberger archive
talk-bi Burundi specific topics and discussion archive
talk-bj Benin specific topics and discussion Benedikt
talk-blr Belarus specific topics and discussion archive
talk-bo Bolivia specific topics and discussion Alex Infantes
Marco Antonio Frias
talk-br Brazil specific topics and discussion (Brazilian Portuguese) Vitor George archive Gmane
talk-ca Canada specific topics and discussion Richard Weait archive Gmane
talk-carib Caribbean-related content archive
talk-cat Catalan mailing list archive
talk-cd Democratic Republic of the Congo, mostly in French - Discussions sur OSM en RDC archive
talk-cf Liste de discussion sur OpenStreetMap en République Centrafricaine archive
talk-ci Côte d'Ivoire specific topics and discussion archive
talk-cl Chile specific topics and discussion Julio Costa archive
talk-cm Cameroon specific topics and discussion archive
talk-cn China specific topics and discussion Sun Ning archive
talk-co Colombia specific topics and discussion Fredy Rivera archive
talk-cr Costa Rica-specific topics and discussion Ben Konrath
Jorge R
talk-cu Cuba specific topics and discussion Elpbatista
Mike Collinson
talk-cz Czech discussion Dan Barta
archive Gmane
talk-de German discussion Frederik Ramm archive Gmane
Germany Regional lists Due to the high traffic on talk-de, separate lists for regions in Germany are available on Infos on requesting regional lists: Deutsche Mailinglisten
talk-dk Danish discussion archive Gmane
talk-do Dominica specific topics and discussion archive
talk-ee Estonia-specific topics and discussion archive
talk-es Spain discussion Francisco Santos
Iván Sánchez Ortega
archive Gmane
talk-et Ethiopia-specific topics and discussion archive
talk-fi Finland-specific topics and discussion archive
talk-fr French speaking discussion archive Gmane lists Mailing lists hosted by association, conseil-administration, contact, ga (Groupe d'Accompagnement), opentraffic, pro-fr, roborthos (aerial imagery), tech, transport, many local-* lists, others
talk-fr-bzh Mapping, mapping parties and localisation in the Bretagne / Breizh / Brittany region of France. archive
talk-gb UK-specific topics, such as UK mapping parties and meetups Matthew Newton archive Gmane
talk-gb-london Mapping in the UK London area Mike Collinson archive Gmane
talk-gb-midanglia Mapping in the UK area loosely based around Cambridge David Earl archive
talk-gb-oxoncotswolds Mapping and development in the UK area of ["Oxfordshire"], the Cotswolds and nearby. Richard Fairhurst archive
talk-gb-thenorth Mapping in the North of England, UK Simon Ward
Tim Waters
talk-gb-westmidlands Mapping in the UK West Midlands (Birmingham) area Andy Robinson archive Gmane
talk-ge Georgia, Abkhazia, and South Ossetia specific topics and discussion archive
talk-gh Ghana specific topics and discussion archive
talk-gr Greece specific topics and discussion archive
talk-hn Honduras specific topics and discussion archive
talk-hr Croatia-specific topics, discussion archive Gmane
talk-ht Haiti-specific topics, in English and French Jaakko Helleranta archive Gmane
talk-hu Hungary-specific topics, discussion archive
talk-id Indonesia-specific topics, in Bahasa Indonesian archive
talk-ie Ireland-specific topics, such as Irish mapping parties and meetups Gareth Eason archive Gmane
talk-il Israel discussion - preferred language: Hebrew. This is being phased out in favour of Israel-Forum archive
talk-in India-specific topics, such as Indian mapping parties and meetups archive
talk-iq Iraq specific topics and discussion archive
talk-ir Iran-specific topics and discussion. archive
talk-is Iceland-specific topics, such as the OSM data in Iceland and Icelandic mapping parties. Discussions in Icelandic or English archive Gmane

Italian discussion - but english is welcome

Simone Cortesi archive Gmane
talk-it-appulo-lucana Italian regional talk list for Basilicata and Puglia - Lista regionale della Basilicata e della Puglia archive
talk-it-bici Italian bicycle discussion - but english is welcome Luca Delucchi archive
talk-it-cai Italian Alpine Club - Discussioni riguardanti la convenzione con il CAI archive
talk-it-fvg Italian region Friuli Venezia Giulia discussion - but english is welcome archive
talk-it-lazio Italian region Lazio discussion - but english is welcome Martin Koppenhöfer archive Gmane
talk-it-liguria Italian region Liguria discussion - but english is welcome Luca Delucchi archive
talk-it-lombardia Italian region Lombardia discussion - but english is welcome Lorenzo Stucchi archive
talk-it-marche Italian region Marche discussion - but english is welcome Lorenzo Mastrogiacomi archive
talk-it-piemonte Italian region Piemonte discussion - but english is welcome archive
talk-it-sardinia Italian region Sardegna discussion - but english is welcome archive
talk-it-sicilia Italian region Sicilia discussion - but english is welcome archive Gmane
talk-it-southtyrol Italian regional South Tyrol discussion - Lista regionale dell' Alto Adige - Regionale Mailingliste für Südtirol - (Italian, German and English welcome) Martin Raifer archive Gmane
talk-it-trentino Italian region Trentino discussion - but english is welcome Luca Delucchi archive Gmane
talk-it-veneto Italian region Veneto discussion - but english is welcome archive
talk-ja Japanese discussion. archive
talk-ke Kenya specific topics and discussion. Daniel Westergren
Mikel Maron
talk-kg Kyrgyzstan discussion. archive
talk-ko Korean discussion. Korean and English language. archive Gmane
talk-kosovo Kosovo specific topics and discussion. Discussion in English and Albanian. archive
talk-latam Latin America - Postings in Spanish, Portuguese and Englisch are welcome. archive
talk-lb Lebanon specific topics and discussion. Discussion in Arabic, English, French. archive
talk-lk SriLanka specific topics and discussions. Vivien Deparday archive
talk-lt Lithuania specific topics and discussion. archive Gmane
talk-lu Luxembourg specific topics and discussion. Discussion usually in English, but French, German or Luxembourgish are ok too. archive
talk-lv Latvia specific topics and discussion archive
talk-ly Libya specific topics and discussion archive
talk-ma Morocco specific topics and discussion archive
talk-mg Madagascar specific topics and discussion. archive
talk-ml Mali specific topics and discussion archive
talk-mm Myanmar specific topics and discussion. archive
talk-mn Mongolia specific topics and discussion. archive
talk-mw Malawi specific topics and discussion archive
talk-mx Mexico specific topics and discussion. archive
talk-my Malaysia specific topics and discussion archive
talk-nc New Caledonia specific topics and discussion archive
talk-ne Niger specific topics and discussion. Discussion usually in French, but English is welcome. Orsolya Jenei archive
talk-ng Nigeria specific topics and discussion Rafael Ávila Coya archive
talk-ni Nicaragua specific topics and discussion Felix Delattre archive
talk-nl Dutch discussion Henk Hoff
Martijn van Exel
archive Gmane
talk-np Nepal specific topics and discussion PrabhasP archive
talk-nz New Zealand specific topics and discussion ( host email list. Jan 2018 - ) Eliot Blennerhassett archive
talk-pacific Regional list for and by the peoples of the Moana/Oceania/Pacific archive
talk-pe Peru specific topics and discussion Omar Vega archive
talk-ph Philippines specific topics and discussion, archive Gmane
talk-pl Poland specific topics and discussion Inactive, osm forum is primary location for discussion in OSM community in Poland Zbigniew Czernik archive
talk-pr Puerto Rico specific topics and discussion. Víctor Ramírez
Agustín Graterole
talk-ps Palestine specific topics and discussion. archive
talk-pt Portuguese specific topics and discussion. ViriatoLusitano archive
talk-py Paraguay specific topics and discussion archive
talk-ro Romania specific topics and discussion. archive
talk-rs Serbia specific topics and discussion. archive
talk-ru Russia specific topics and discussion. Inactive from March 2015. See other contact channels. archive Gmane
talk-sc Seychelles specific topics and discussion archive
talk-scotland Scotland specific topics and discussion archive
talk-se Swedish discussion (Feel free to discuss Swedish issues in English though). archive Gmane
talk-si Slovenian discussion archive
talk-sn Senegal specific topics and discussion archive
talk-sy Syria specific topics and discussion. Discussion in Arabic, English and French Crataegus archive
talk-td Chad specific topics and discussion archive
talk-tg Togo specific topics and discussion archive
talk-tn Tunisia specific topics and discussion Chedli Ghedira archive
talk-tr Turkish discussion archive Gmane
talk-tw Taiwan specific topics and discussion in Chinese. archive Gmane
talk-tz Tanzania specific topics and discussion archive
talk-ug Uganda sample topics and discussion. Douglas Ssebaggala
talk-us USA-specific topics, such as US mapping parties and meetups; see also imports-us in Topic Lists table Yes Ian Dees
Dave Hansen
archive Gmane
talk-us-massachusetts Topics specific to Massachusetts Yes Alan Bragg archive
talk-us-newyork New York-specific topics Yes Richard Welty archive
talk-us-nps USA national parks related content Yes Clifford Snow archive
talk-us-pugetsound Topics specific to the Puget Sound region, Washington State Chase Stephens archive
talk-us-sfbay USA local list for the San Francisco Bay Area and Northern California in general Yes Minh Nguyen archive Gmane
talk-uy Uruguay specific topics and discussion in Spanish archive
talk-ve Venezuela specific topics and discussion archive
talk-vi Vietnam specific topics and discussion archive Gmane
talk-za South Africa specific topics and discussion Grant Slater archive Gmane
talk-zm Zambia specific topics and discussion archive

Archived mailing lists

Mailing lists that were removed but archives continue to be available.

Info Description Admins Additional moderators Archive Mirrors
design This was a place to discuss design related issue in OpenStreetMap. The topics include things such as user interface, user experience and general aesthetics. Kate Chapman archive Gmane
moderation The Moderation mailing list was used to discuss how to respond to Vandalism and mistakes. archive Gmane
newbies This list was intended for questions by new users. This role has been taken over by [1] and the forum [2]. Richard Fairhurst archive
OSMF-membership OSMF membership services working group
rebuild Temporary forum for technical discussion of process, tools and functionality for rebuilding the OSM database ready for ODbL change-over Mike Collinson archive
voting This list was originally used for electronic voting for board members. It has now been superseded by other methods and will probably be deleted.
welcomewg Working group discussions: Why do we have such a hard time retaining mappers after they sign up, and do something about it. archive

Lists provided by external services

Info Description Admins Additional moderators Archive Mirrors
abul French speaking discussion around Bordeaux and Aquitaine. archive
kart Norwegian discussion. Norway archive
openstreetmap-hr Croatian discussion archive
maps-l Discussion and development coordinating the integration of OpenStreetMap and other free map sources into Wikimedia projects. archive
mkgmap-dev General development list for mkgmap. archive Gmane
nantes French speaking discussion around Nantes. archive
nzopengis New Zealand specific topics and discussion (Google group) nzopengis archive
openrailwaymap Discussions of users and developers of OpenRailwayMap, but also other railway-related stuff. User icon 2.svgRurseekatze (on osm, edits, contrib, heatmap, chngset com.),
System-users-3.svgNakaner (on osm, edits, contrib, heatmap, chngset com.)
archive Gmane
openseamap-develop OpenSeaMap developer discusssion. archive
openseamap-maps Everything about using and creating maps for OpenSeaMap. archive
talk-ch Switzerland specific topics and discussion Jiuka archive Gmane
talk-md Moldova specific topics and discussion. This is a Google group.
talk-sk Slovak discussion (google group) archive Gmane

Other mirrored mailing lists

Other mailing lists mirrored on Gmane NNTP:

Requests for new lists

If you want a new list for your country or language, send an email to Michael Collinson, list-requests at openstreetmap dot org.

Non-ASCII language digest support

OSM lists operate using Mailman. Some lists that use non-ASCII character sets may not display digests correctly. If you are the list administrator a suggested solution is to login to the admin panel, go to "Digest options" and change the digest format to MIME. You may also need to un-set the 'Plain' setting for existing users in the membership list.

Reading mailing lists via newsgroup interface

You can read and participate in the mailing list using a NNTP-compatible newsgroup client. The advantage is that the software shows discussion in a thread-like view. This simplifies following multiple discussions in high volume mailing lists.

Thunderbird has built-in newsgroup-support. To add, a newsgroup server which is syndicating the OSM mailing lists, you need to do the following:

  1. Select Tools -> Accounts...
  2. Press the 'Add account'-button
  3. For the account type select Newsgroup-account
  4. Enter the name that should appear when sending mails to the list in the name field and your email adress in the second one.
  5. The nntp server address is
  6. Enter a descriptive account name for Thunderbird and hit 'Finish'
  7. Now right-click on the new branch in your Thunderbird folder overview and select 'Subscribe...'
  8. Enter openstreetmap in the filter field and subscribe to the (regional) osm mailing list(s) of your liking.

Search the mailing lists

A few lists have their own search site: check the 'archive' column in the tables above. If a list doesn't have a search site, you can use Google search or The Mail Archive. It is also possible to download mailing list archives for offline search using scripts[1].

Download the archives

You can download the archive of a mailing list in Mbox format (compatible with Thunderbird) after registering to it by using the following link and replacing the parameters:
For the Tagging list, for example, replace each LISTNAME by "tagging" (without quotes).
You will then be presented with a form asking your email address and password (the password you chose or that was sent to you when registering to that list).
Optionally, you can set these by adding ?username=YOUREMAILADRESS&password=YOURPASSWORD at the end of the url (replace YOUREMAILADRESS by your email address and YOURPASSWORD by your password).

  1. See bash scripts for offline mailing list downloads