Extensible OpenStreetMap editor
JOSI is a cross platform editor for OpenStreetMap. It's fast, and can handle large amounts of data.
JOSM also has a large number of plugins, allowing it to support functionality such as reverting changesets, importing pictures as layers, and other advanced functionality.
released on 4 June 2015
svn co https://josm.openstreetmap.de/svn/trunk josm
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