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Transport coordinate between earth(WGS-84) and mars in china(GCJ-02)
...The README documents the API signatures and describes expected numeric accuracy (e.g., ~1–2 m for the standard inverse, <0.5 m for the exact inverse) and when to use each routine.
OpenGTS Navigator seeks to help OpenGTS users to create their own look and feel of the telematics software by providing a skeleton which can be used as a way to start their customization.
Open Source GPS Tracking System. It allows to use mobile phones with J2ME support as mobile trackers and see its tracks on Google Maps online. There is a web RESTful API for GPS data input. See details on http://redmine.wannatrak.com