CASL is a rapid application development environment (RAD) which allows you to create applications for Palm, PocketPC and Windows. The language syntax is easy to learn, powerful enough for creating commercial applications. Try it today! CASL is free for non-commercial use.

HS GPS is a software library (with full C source code) which provides access to a NMEA-183 compliant GPS receiver via a serial communications port, decoding NMEA sentences: $GPGGA, $GPGSA, $GPGSV, $GPGLL, $GPRMC and $GPVTG. Decoded parameters include: time, date, position, altitude, speed, course and heading, according to standard - NMEA-183 (National Marine Electronics Association, Interface Standard 0183.)