VPL license
The two main components of VPL: the Moodle module and the jail system are released under the GNU/GPL License.
You can redistribute and/or modify this VPL components under the terms of the GNU General Public License as published by the Free Software Foundation. VPL is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
This software uses/includes the following software under the corresponding licence:
- ACE: an embeddable code editor written in JavaScript. Copyright (c) 2010, Ajax.org B.V.
- term.js: A full xterm clone written in javascript. Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
- noVNC: VNC client using HTML5 (WebSockets, Canvas). noVNC is Copyright (C) 2011 Joel Martin <This email address is being protected from spambots. You need JavaScript enabled to view it.>
- jQuery and JQuery-ui: jQuery is a fast, small, and feature-rich JavaScript library. Copyright The jQuery Foundation. (licence)
ACE license
Copyright (c) 2010, Ajax.org B.V.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Ajax.org B.V. nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
noVNC license
noVNC is Copyright (C) 2011 Joel Martin <This email address is being protected from spambots. You need JavaScript enabled to view it.>
The noVNC core library files are licensed under the MPL 2.0 (Mozilla
Public License 2.0). The noVNC core library is composed of the
Javascript code necessary for full noVNC operation. This includes (but
is not limited to):
include/base64.js
include/des.js
include/display.js
include/input.js
include/jsunzip.js
include/keysym.js
include/logo.js
include/rfb.js
include/ui.js
include/util.js
include/vnc.js
include/websock.js
include/webutil.js
The HTML, CSS, font and images files that included with the noVNC
source distibution (or repository) are not considered part of the
noVNC core library and are licensed under more permissive licenses.
The intent is to allow easy integration of noVNC into existing web
sites and web applications.
The HTML, CSS, font and image files are licensed as follows:
*.html : 2-Clause BSD license
include/*.css : 2-Clause BSD license
include/Orbitron* : SIL Open Font License 1.1
(Copyright 2009 Matt McInerney)
images/ : Creative Commons Attribution-ShareAlike
http://creativecommons.org/licenses/by-sa/3.0/
Some portions of noVNC are copyright to their individual authors.
Please refer to the individual source files and/or to the noVNC commit
history: https://github.com/kanaka/noVNC/commits/master
The are several files and projects that have been incorporated into
the noVNC core library. Here is a list of those files and the original
licenses (all MPL 2.0 compatible):
include/base64.js : MPL 2.0
include/des.js : Various BSD style licenses
include/jsunzip.js : zlib/libpng license
include/web-socket-js/ : New BSD license (3-clause). Source code at
http://github.com/gimite/web-socket-js
include/chrome-app/tcp-stream.js
: Apache 2.0 license
utils/websockify
utils/websocket.py : LGPL 3
The following license texts are included:
docs/LICENSE.MPL-2.0
docs/LICENSE.LGPL-3 and
docs/LICENSE.GPL-3
docs/LICENSE.OFL-1.1
docs/LICENSE.BSD-3-Clause (New BSD)
docs/LICENSE.BSD-2-Clause (Simplified BSD / FreeBSD)
docs/LICENSE.zlib
docs/LICENSE.Apache-2.0
Or alternatively the license texts may be found here:
http://www.mozilla.org/MPL/2.0/
http://www.gnu.org/licenses/lgpl.html and
http://www.gnu.org/licenses/gpl.html
http://scripts.sil.org/OFL
http://en.wikipedia.org/wiki/BSD_licenses
http://www.gzip.org/zlib/zlib_license.html
http://www.apache.org/licenses/LICENSE-2.0.html