Building
For now, please check http://gkos.net
or http://groups.google.com/group/gkos
GKOS on the open source Arduino microcontroller:
http://www.arduino.cc/playground/Main/GkosMain
GKOS through USB on Arduino:
https://bitbucket.org/legba7/usbkeyboardgkos/overview
Trying
Test the GKOS concept on your browser:
http://gkos.com/type/index.html
Want to try a virtual GKOS keyboard on iPhone, Android, MeeGo/Harmattan or Windows Phone?
No memorizing of characters needed (except for the iPhone version), all is shown on the keys! Go to:
http://gkos.com
A Windows application:
http://koti.mbnet.fi/gkos/gkosnet/gd-qwerty.html
Linux, Programming
A Gambas ('VB for Linux' on Ubuntu/Debian) application:
http://koti.mbnet.fi/gkos/gkoscom/linux/gkos_for_linux.html
Want to try a GKOS project on Linux (for experts)?
http://github.com/pib/gkos
Details
Useful information on how to implement Chord and Chordon detection (See Annex 3 and 4):
http://koti.mbnet.fi/gkos/gkoscom/gkos_spec.zip