Merkaartor is an OpenStreetMap editor for Unix, Windows and Mac OS X (prerelease, Intel only), distributed under the GNU General Public License.

Merkaartor is a visually pleasing but performant editing environment for free geographical data. The Merkaartor was designed to be an openstreetmap mapping program. Merkaartor focuses on providing a visually pleasing but performant editing environment for free geographical data.

Glad you made it here. After starting the application the first time you can move the background map around by holding the right mouse button and dragging (or using the arrow keys).

Zoom the map with the mouse wheel (or the + and - keys, or F3 and selecting an area) and go to an area that you'd like to edit.

Merkaartor Features:
1. Map view near-WYSIWYG, anti-aliased, with road names
2. Transparent display of map features like roads, amenities and areas
3. Style editor for the map display, including multiple styles
4. Support for handling separated highways
5. Easy up/download from OpenStreetMap data
6. Render an area with the current style (SVG or Bitmap)
7. Native application (developed with the Qt4 toolkit)
8. Import NMEA
9. Live connection to your GPS
10. Experimental mobile device support (Pocket PCs)
11. View your GPS tracks and geotagged photos without the need to upload them

The license of this software is Free, you can free download and free use this graphing software.