Turbo GPS -The most flexible and precise track / offroad GPS you have seen. Available for both Windows and Windows Mobile.
Features:
# Multiple Screens
* GPS View
o XYZ
o Cell ID
o Satellite and Precision
o Time
o Speed
+ Km/H
+ MpH
+ Knots
+ m/s
o Course Compass
* Today plugin
o Show XYZ, Speed, Playback, Satelline and more
* Map View
o Unlimited horizontal/vertical zoom out
o Unlimited move up/down/left/right
o Cartesian and Polar map
o View your Waypoints
o 360 rotation
o Zoom to track or to waypoint
* Satellite view
o All satellites in view - azimuth and elevation
o Satellite signal strength
* Speedometer
o With main/track counter, supports configuration
* Tracks
o Unlimited number of tracks, unlimited number of track points.
o Import from KML or LOC
o Export to KML or LOC
o Run straight or reversed
o Track normalization
o Round normalization
o Zones, allowed and forbidden areas
o Put multiple tracks in a map
o View in T-GPS, or Yahoo! map.
* Waypoints
o Unlimited XYZ waypoints
o Waypoint categories
o View in T-GPS, or Yahoo! map.
o Import from KML or LOC
o Export to KML or LOC
o Click-and-learn waypoint
o Ability to sort by distance from here
* Statistics
* Custom Maps
o View maps
o Delete maps
* Sun info
o Position and Bearing
* Moon info
o Position, Bearing and Cycle
* Playback Map
o Auto - follow position
o Auto - rotate
o Compass and Bearing
o Speed
* Compass
o True and Magnetic compasses
* Raw Log
o NMEA support
o SIRF support

# Full Screen Mode
# Recording Mode

* Record track
* Smart recording when route is not altered or speed is low

# Playing mode

* Playback track or go to waypoint
* Notifications to change route

# View Mode

* Day view
* Night view
* Custom view
* Full screen toggle

# GPS Setup

* Select COM port/Speed
* Simulation Enabled
* GPS Api (WM5+) Supported

# Calculators

* 1D Distance calculator of track or between points
* 2D Area XY calculator
* 3D Volume XYZ calculator

# Debugging mode

* Logging
* Track Simulation
* Save Track to GPS Log Simulation
* Tapping or timer mode

# SIRF Options

* Switch to SIRF / NMEA
* Set NMEA Rates
* WAAS mode
* Reset options

# Map Options

* Dynamic Maps from Yahoo!
* Calibrate and Load your own Maps!
* Save dynamic maps
* Automatic rotation

# Record/Play Options

* Seconds recalculation
* Minimum distance/seconds
* Normalize options

# Unit Options

* Speed
o Km/H
o MpH
o m/s
o Knots
* Length
o Km/m
o Mi/inch
o Nautical Mi/feet
* More units available

# Internet tracking Options

* Post position to URL
* Get unlimited posted positions from other TGPS's to your map.

# Internet Pursuit Options

* Get position from URL
* Track an unlimited number of targets

# Automatic Updates