Tahoe-LAFS is a secure, decentralized, data store. All of the source code is available under a choice of two Free Software, Open Source licences. This filesystem is encrypted and spread over multiple peers in such a way that it remains available even when some of the peers are unavailable, malfunctioning, or malicious. Build in the listed order, all are available from SlackBuilds.org. mock, pyasn1, pycrypto, pysetuptools, darcsver, argparse, simplejson, pyOpenSSL, zope.interface, python-twisted, Nevow, foolscap, pyutil, zbase32, zfec, cryptopp, pycryptopp. Numpy is optional at runtime. For more information see running.rst in the docs folder.