Lets you monitor your GPS-phone. You have full control of your own data. Both client software (for phones) and server software is free open source, so you might set up your own server or use the default one at opengeotracker.org
APRS World is comprised of an Automatic Packet Reporting System (APRS) parser and a web interface. The parser connects to an APRS feed and inserts packets into a MySQL database. The web interface provides a convenient means of retrieving this data. This