Free and open-source map hosting solution with custom styles
Open Source Routing Machine - C++ backend
GWC is a tile server and caching proxy written in Java
GPS track editor for editing tracks and planning (multiple) day tours
Transport coordinate between earth(WGS-84) and mars in china(GCJ-02)
Open-source JavaScript library for mobile-friendly interactive maps
Minimalistic wide-open GPS-locator/tracker
Print specially styled OpenStreetMap maps for detail surveys
Braille & ASCII world map renderer for your console
Flights, vessels, satellites and trackers realtime 2D/3D display
A tile-based map viewer with support for GPX files.
Using PHP-CLI to parse NMEA data to generate depth maps with GD
See you and your friends on a map
Tile Cache Server
A map-based discussion forum ("argumentation map")