JOSM Java OpenStreetMap Editor
JOSM or Java OpenStreetMap Editor is a free and open source offline map editor for Windows, MacOS and Linux. It is released under open source GNU General Public License v2 or later. Using this you can edit the OSM data (nodes, ways, and relations) and their metadata tags. It supports loading GPX tracks, background imagery, and OSM data from local sources as well as from online sources. You can extend its features via plugins, presets, rules, styles and backgrounds.
