OSM2Go is an Openstreetmap editor designed to run on small devices.
Current featureset includes:
* Managing multiple mapping projects.
* Adding, moving and deletion of ways and nodes and editing their tags.
* JOSM-style presets for speedy tagging.
* Import GPS traces or Live GPS trace for GPS-enabled devices
* WMS server support: NASA satellite imagery
* Limited relation support
* Upload and download changes to the OSM servers!