arXshare is using

Transparent SHA-256 Implementation for PHP 4 and PHP 5 (http://www.nanolink.ca/pub/sha256)
	Copyright Perry McGee
	Latest change: 2009-08-01
	LGPL

phpSecLib (http://phpseclib.sourceforge.net/)
	???
	???
	MIT License

phpMailer (https://code.google.com/a/apache-extras.org/p/phpmailer/)
	Copyright (c) 2010-2012, Jim Jagielski
	v5.2.4
	LGPL

Bootstrap (http://getbootstrap.com)
	Copyright Twitter, Inc.
	v3.2
	MIT License

jQuery (http://jquery.com/download/)
	Copyright jQuery Foundation, Inc.
	v2.1.1
	MIT license

jQuery twitter bootstrap wizard plugin
	Vadim Vincent Gabriel, Jason Gill
	Version 1.0
	Dual licensed under the MIT and GPL licenses