Developers Guide

This is the place to start if you're interested in contributing to the development of the core JOSM application or existing plugins, or if you'd like to create a new JOSM plugin.

• Installing and Compiling JOSM
• Develop Plugins
• Development Guidelines (Coding style and Internationalization)
• Patch Guidelines (How to submit a patch)
• Track the state of development (Release Schedule)
• JOSM and JMapViewer JavaDoc class documentation
• How to create a JOSM build
• How to use your JOSM SVN account
• Various Eclipse tips

Tutorial videos

• ​Video: how to checkout JOSM into Eclipse
• ​Video: how to checkout a JOSM plugin into Eclipse

JOSM Help System

• Context-sensitive help
• Current list of context-sensitive help topics

Shortcuts

• Current list of used shortcuts

Developers

Dirk Stöcker is currently the lead maintainer of JOSM. Developers of JOSM with SVN commit privileges active in the past several months include:

Trac username	Name
akks	Alexei Kasatkin
bastiK	Paul Hartmann
Don-vip	Vincent Privat
framm	Frederik Ramm
jttt	Jiri Klement
simon04	Simon Legner
stoecker	Dirk Stöcker

Immanuel Scholz was the original creator of JOSM, and previous maintainers include Frederik Ramm.

Many others have contributed through bug reports, patches, translations, and documentation work.