Version 244 (modified by, 5 years ago) (diff)

clarify a bit


JOSM is an extensible editor for OpenStreetMap (OSM) written in Java 7.

It supports loading GPX tracks, background imagery and OSM data from local sources as well as from online sources and allows to edit the OSM data (nodes, ways and relations) and their metadata tags.

JOSM is open source and licensed under GPL.

source:trunk/images/openlocation.png Launch josm.jnlp (version 17428)

recommended version, all platforms, automatic update (if link above doesn't work for you, please read Web Start)

source:trunk/images/download.png Download josm-tested.jar (version 17428)

all platforms (how to run)

Windows installer (version 17428)

Mac OS X package (version 17428, requires Java 7). Users of Mountain Lion see Download.

Latest development version (17551, josm-latest.jar), Ubuntu package repository and download options and older versions .

What has been changed recently?

Topic or extension


Create and improve
Materials how to create new solutions


JOSM program



After you encounter question, you ask for help at:

JOSM source code

Make useful change in code and create a patch

source:trunk/images/preferences/plugin.png Plugins Installation instructions

Developing plugins and other resources




New Icons


Scripts, Install and execute scripts

New scripts



Found a bug? | Have an idea? | Make a suggestion?


  • Use JOSM
    • Report bugs, discuss ideas, think of possible enhancements (see above).
  • Participate in bug tracking
    • Review bugs, up/down vote tickets, find duplicates, test bugs, add more descriptive texts.
  • Correct/update/extend the online help
    • Unify all JOSM-related Wiki pages and join them with the online help.
  • Translate program/documentation.
  • Design fancy new icons.
  • Write code – get the code and write patches …

This site

  • This site is a combined online help and bug tracking system for JOSM and JOSM plugins.
  • No login is required to use this site (neither for reading nor for changes to wiki or bug tracker).
  • A login has the following advantages:
    • Mail is sent for changes in your own bug tracker tickets. This is possible by entering an e-mail as user name in the tickets, too, but then be aware that the address is openly visible and you are unable to change that later.
    • Page settings are remembered (e.g. input field size and a lot of other stuff).
  • Logins which have no e-mail address or which have not been used at least once are automatically deleted.
  • Logins to edit the OpenStreetMap database are separate from the logins on this server.
  • Copyright (CC-BY-SA and LGPL since April 2014) of this site is stated in the footer.


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