Chimoosoft's GPS Connect for Mac OS X is a freeware program which connects to Garmin GPS receivers and allows upload and download of waypoints. NMEA Protocol is also supported for other brands of GPS receivers.
GPSy -- Macintosh GPS Communications. GPSy is the only Macintosh GPS program compatible with
any NMEA-0183 compatible GPS/Loran-C/DECCA or other navigational system.
Chimoosoft - Terrabrowser is a program for Mac OS X to browse images from the USGS/Microsoft Terraserver. It also supports Garmin and NMEA connections to GPS receivers.
www.chimoosoft.com/terrabrowser.html
-
Get Site Info
GPSBabel converts waypoints, tracks, and routes between popular GPS receivers and mapping programs. It also has powerful manipulation tools for such data.