Tahoe Lafs Windows User Knowledge Base: FAQs , Scripts , HOW DOs , GUIs , DOCs , ...
https://github.com/WinLAFS/WinLAFS-Knowledge-Base/wiki
LICENCE
Copyright 2006-2014 The Tahoe-LAFS Software Foundation
You may use this package under the GNU General Public License, version 2 or, at your option, any later version. You may use this package under the Transitive Grace Period Public Licence, version 1.0, or at your option, any later version. (You may choose to use this package under the terms of either licence, at your option.) See the file COPYING.GPL for the terms of the GNU General Public License, version 2. See the file COPYING.TGPPL.rst for the terms of the Transitive Grace Period Public Licence, version 1.0.
See TGPPL.PDF for why the TGPPL exists, graphically illustrated on three slides.