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OpenSSL (Windows / OSX / Ubuntu / iOS clients)

============================================


Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

All rights reserved.


This package is an SSL implementation written

by Eric Young (eay@cryptsoft.com).


The implementation was written so as to conform with Netscapes SSL.


This library is free for commercial and non-commercial use as long as

the following conditions are aheared to. The following conditions

apply to all code found in this distribution, be it the RC4, RSA,

lhash, DES, etc., code; not just the SSL code. The SSL documentation

included with this distribution is covered by the same copyright terms

except that the holder is Tim Hudson (tjh@cryptsoft.com).

Copyright remains Eric Young's, and as such any Copyright notices in

the code are not to be removed.

If this package is used in a product, Eric Young should be given attribution

as the author of the parts of the library used.

This can be in the form of a textual message at program startup or

in documentation (online or textual) provided with the package.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions

are met:


1. Redistributions of source code must retain the copyright

   notice, this list of conditions and the following disclaimer.


2. 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.


3. All advertising materials mentioning features or use of this software

   must display the following acknowledgement:

   "This product includes cryptographic software written by

    Eric Young (eay@cryptsoft.com)"

   The word 'cryptographic' can be left out if the rouines from the library

   being used are not cryptographic related :-).


4. If you include any Windows specific code (or a derivative thereof) from

   the apps directory (application code) you must include an acknowledgement:

   "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"


THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 THE AUTHOR OR CONTRIBUTORS 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.


The licence and distribution terms for any publically available version or

derivative of this code cannot be changed. i.e. this code cannot simply be

copied and put under another distribution licence

[including the GNU Public Licence.]

protobuf

Protobuf (Windows / OSX / Ubuntu / iOS clients)

============================================


Protocol Buffers - Google's data interchange format

Copyright 2008 Google Inc. All rights reserved.

http://code.google.com/p/protobuf/

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 Google Inc. 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 THE COPYRIGHT

OWNER OR CONTRIBUTORS 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.

Pixman

Pixman (iOS client)

==========================


Copyright 1987, 1998 The Open Group


Permission to use, copy, modify, distribute, and sell this software and its

documentation for any purpose is hereby granted without fee, provided that

the above copyright notice appear in all copies and that both that

copyright notice and this permission notice appear in supporting

documentation.


The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.


THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


Except as contained in this notice, the name of The Open Group shall not be

used in advertising or otherwise to promote the sale, use or other dealings

in this Software without prior written authorization from The Open Group.


Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.


                        All Rights Reserved


Permission to use, copy, modify, and distribute this software and its

documentation for any purpose and without fee is hereby granted,

provided that the above copyright notice appear in all copies and that

both that copyright notice and this permission notice appear in

supporting documentation, and that the name of Digital not be

used in advertising or publicity pertaining to distribution of the

software without specific, written prior permission.


DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING

ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL

DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR

ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,

WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,

ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS

SOFTWARE.

SGLib

SGLib (iOS client - http://www.xref-tech.com/sglib)

=========================================================


This is SGLIB version 1.0.3


(C) by Marian Vittek, Bratislava, http://www.xref-tech.com/sglib, 2003-5


License Conditions: You can use a verbatim copy (including this

copyright notice) of sglib freely in any project, commercial or not.

You can also use derivative forms freely under terms of Open Source

Software license or under terms of GNU Public License. If you need

to use a derivative form in a commercial project, or you need sglib

under any other license conditions, contact the author.



- State Machine Compiler 1.17


The contents of this file are subject to the Mozilla Public

License Version 1.1 (the "License"); you may not use this file

except in compliance with the License. You may obtain a copy

of the License at http://www.mozilla.org/MPL/

Software distributed under the License is distributed on an

"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or

implied. See the License for the specific language governing

rights and limitations under the License.


The Original Code is State Machine Compiler (SMC).


The Initial Developer of the Original Code is Charles W. Rapp.

Portions created by Charles W. Rapp are

Copyright (C) 2000 - 2007. Charles W. Rapp.


All Rights Reserved.

wxWidgets

wxWindows Library Licence

======================================


Copyright (C) 1998-2005 Julian Smart, Robert Roebling et al


Everyone is permitted to copy and distribute verbatim copies

of this licence document, but changing it is not allowed.


WXWINDOWS LIBRARY LICENCE

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION


This library is free software; you can redistribute it and/or modify it

under the terms of the GNU Library General Public Licence as published by

the Free Software Foundation; either version 2 of the Licence, or (at

your option) any later version.


This library 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. See the GNU Library

General Public Licence for more details.


You should have received a copy of the GNU Library General Public Licence

along with this software, usually in a file named COPYING.LIB. If not,

write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

Boston, MA 02111-1307 USA.


EXCEPTION NOTICE


1. As a special exception, the copyright holders of this library give

permission for additional uses of the text contained in this release of

the library as licenced under the wxWindows Library Licence, applying

either version 3.1 of the Licence, or (at your option) any later version of

the Licence as published by the copyright holders of version

3.1 of the Licence document.


2. The exception is that you may use, copy, link, modify and distribute

under your own terms, binary object code versions of works based

on the Library.


3. If you copy code from files distributed under the terms of the GNU

General Public Licence or the GNU Library General Public Licence into a

copy of this library, as this licence permits, the exception does not

apply to the code that you add in this way. To avoid misleading anyone as

to the status of such modified files, you must delete this exception

notice from such code and/or adjust the licensing conditions notice

accordingly.


4. If you write modifications of your own for this library, it is your

choice whether to permit this exception to apply to your modifications.

If you do not wish that, you must delete the exception notice from such

code and/or adjust the licensing conditions notice accordingly.

Sparkle

Sparkle (OS X client)

=========================


Copyright (c) 2006 Andy Matuschak


Permission is hereby granted, free of charge, to any person obtaining a

copy of this software and associated documentation files (the "Software"),

to deal in the Software without restriction, including without limitation

the rights to use, copy, modify, merge, publish, distribute, sublicense,

and/or sell copies of the Software, and to permit persons to whom the

Software is furnished to do so, subject to the following conditions:


The above copyright notice and this permission notice shall be included

in all copies or substantial portions of the Software.


THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

FROM,OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

IN THE SOFTWARE.

WinSparkle

WinSparkle (Windows client)

===============================


Copyright (c) 2009-2013 Vaclav Slavik


Permission is hereby granted, free of charge, to any person obtaining a copy of

this software and associated documentation files (the "Software"), to deal in

the Software without restriction, including without limitation the rights to

use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies

of the Software, and to permit persons to whom the Software is furnished to do

so, subject to the following conditions:


The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.


THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.

Opus Codec

Opus Codec (Windows / OSX / Ubuntu / iOS clients)

===============================


Copyright

Specification

The specification is freely available as part of IETF RFC 6716. The RFC includes

the reference implementation, which is available under the three-clause BSD

license (see below).


Implementation

Both the reference implementation and the revised implementations on

opus-codec.org are available under the three-clause BSD license. This BSD

license is compatible with all common open source and commercial software

licenses.


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 Internet Society, IETF or IETF Trust, nor the 

names of specific 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 THE COPYRIGHT OWNER

OR CONTRIBUTORS 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.

Open H264

Open H264 (Windows / OSX / Ubuntu / iOS clients)

===============================


Copyright (c) 2013, Cisco Systems 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. 


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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.

Open Source and Third-Party Licenses

OpenSSL