GPL, Software-Lizenzen und Rechte

Software	License	Homepage
wxWidgets:	wxWidgets-License (roughly L-GPL)	http://www.wxwidgets.org/about/newlicen.htm
libarchive:	BSD-license?	http://people.freebsd.org/~kientzle/libarchive/
ibpp:	ibpp-license	http://www.ibpp.org/license
bzip2:	BSD-style license	http://www.bzip.org/index.html
gzip:	GNU GENERAL PUBLIC LICENSE	http://www.math.utah.edu/docs/info/gzip_toc.html