JOSM – extensible editor for ​OpenStreetMap

JOSM is an extensible editor for ​OpenStreetMap (OSM).

The editing tool contains many features that are not present in OSM’s default online editor.

This is free and open source software.

Features include:

  • Supports loading GPX files (GPS tracks).
  • Background imagery with support for WMS, TMS and WMTS protocols.
  • Support for multiple cartographic projections, layers, and relations editing.
  • Data validation tools.
  • Data filtering.
  • Offline work.
  • Presets.
  • Rendering style.
  • OSM data from local sources as well as from online sources.
  • Edit the OSM data (nodes, ways, and relations) and their metadata tags.
  • Plugins support.
  • Cross-platform support: Runs under Linux, MacOS, Windows, and other operating systems that support Java 8+.

Support: Help, Forum
Developer: Dirk Stöcker and other contributors
License: GNU General Public License v2 or later

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JOSM is written in Java. Learn Java with our recommended free books and free tutorials.

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