As3kiss is a project mainly written in JAVASCRIPT and ACTIONSCRIPT, it's free.
Flex and Flash implementations of the KISS Metrics logging client.
An ActionScript 3 Library that contains two client implementations of the KISS Metrics API, a Flash version, and a Flex version.
Code is released under the Creative Commons 3.0 Attribution-Share Alike license http://creativecommons.org/licenses/by-sa/3.0/us/
Copyright (c) 2010, Tribal Crossing Inc. Some Rights Reserved