StreetComplete - Help to improve the OpenStreetMap with StreetComplete!
JOSM - JOSM is a Java-based editor for OpenStreetMap (OSM).
Vespucci - Vespucci is the first OpenStreetMap editor for Android.
iD - iD is an OpenStreetMap editor programmed in JavaScript with the aims to be simple and friendly.
MapComplete - MapComplete is an OpenStreetMap viewer and editor. It shows map features on a certain topic, and allows to see, edit and add new features to the map. It can be seen as a webversion crossover of StreetComplete and MapContrib.
Merkaartor - Merkaartor is an OpenStreetMap editor for Unix, Windows and Mac OSX (prerelease, Intel only)...