In addition to the bespoke work by our volunteer developers, TrailWise incorporates products, code, technologies and techniques from many sources:

PHP php.net
MySQL www.mysql.com
TechPatterns techpatterns.com
Chirp Internet www.chirp.com.au
Google Code code.google.com/projecthosting
Braemoor Software www.braemoor.co.uk
Chris Snyder chxor.chxo.com
Bobby van der Sluis.com www.bobbyvandersluis.com
Google maps code.google.com/apis/maps
Mike Williams econym.org.uk
Bill Chadwick www.bdcc.co.uk/Gmaps
FPDF www.fpdf.org