Software

Animated STACK Competition Figures
Flash animations of all the STACK competition figures, including individual, pairs and team, dual and multi-line.
http://www.reeddesign.co.uk/kites/index.html

Bob's Java Kite
Playable simulation of a dual line stunt kite.
http://www.bsteele.com/kite.html

Hangtime Kite Design Software
Download kitesurfing kite design software.
http://www.redhot.freeuk.com/Hangtime.htm