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License Terms
for the JACK Audio Connection Kit for Apple iOS

Copyright © 2001 - 2013 the JACK Audio Connection Kit developers.

Developers:

  • Paul Davis
  • Jack O'Quin
  • Steve Harris
  • Rui Nuno Capela
  • Devin Anderson
  • Kai Vehmanen
  • Ian Esten
  • Dmitry Baikov
  • Torben Hohn
  • Rohan Drape
  • Stéphane Letz
  • Christian Schoenebeck

Preface

Even though JACK is mainly based on GPL & LGPL software components, the iOS version of JACK has been released under revised terms. The exact terms are shown below. The revised license terms were necessary due to the following reasons and purposes:

  1. To allow commercial third parties to use the JACK iOS Software Development Kit (SDK), allowing third parties to link against the static JACK library contained in the SDK without requiring them to publish the source code of their own app. Background: This license exception was necessary because Apple does not allow DLLs to be used by apps on the App Store, forcing iOS app developers to statically link against the JACK iOS SDK (JACK client library), where the latter was originally released under LGPL terms and the LGPL does not allow proprietary (non free) software applications to statically link a LGPL library. NOTE: This license exception does ONLY apply to the JACK iOS SDK. It does NOT apply to the JACK server / JACK graphical user interface software components!

  2. To allow Apple distributing the main JACK app (JACK server) on the Apple App Store. Background: This license exception was necessary because the JACK server (also known as jackd) was originally released under GPL terms. The GPL requires distributors of software in binary form to provide the source code of the software as well. Apple however does only distribute apps in binary form on the App Store, not in source code form. Which in turn makes it impossible to distribute GPL apps over the Apple App Store. NOTE: This license exception does ONLY apply to the JACK iOS server. It does NOT apply to the JACK iOS graphical user interface (GUI).
You find the exact license terms for the iOS version of JACK below. If you have any questions regarding the license terms of this software, contact us i.e. on:


License Terms
for the JACK iOS SDK

Copyright (c) 2001 - 2013

Developers:

Paul Davis
Jack O'Quin
Steve Harris
Rui Nuno Capela
Devin Anderson
Kai Vehmanen
Ian Esten
Dmitry Baikov
Torben Hohn
Rohan Drape
Stephane Letz
Christian Schoenebeck

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

You are permitted to statically link against a binary version of
the JACK library obtained from

    http://jackaudio.org/downloads/JackiOS-SDK.zip

and distribute the resulting application without complying with section 6
(requiring recipients of your application to be able to relink against
modified versions of libjack).

This permission is granted if and ONLY if the resulting application binary
issue is intended for execution in any one of the following environments:

    * Apple Inc. iOS

Additional environments may be added to this list in the future.
All other terms of the LGPL continue to apply.
  


License Terms
for the JACK iOS Server

Copyright (c) 2001 - 2013

Developers:

Paul Davis
Jack O'Quin
Steve Harris
Rui Nuno Capela
Devin Anderson
Kai Vehmanen
Ian Esten
Dmitry Baikov
Torben Hohn
Rohan Drape
Stephane Letz
Christian Schoenebeck

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA  02110-1301, USA.

You are permitted to distribute a packaged version of an executable
binary image of the JACK server that has been uploaded to

    http://jackaudio.org/downloads/JackiOS.ipa

without complying with section 3 (requiring you to distribute the
source code) nor section 4 (requiring you to use no other license
other than the GPL) nor the requirement in section 6 regarding no
additional restrictions on further redistribution.

This permission is granted if and ONLY IF the resulting application
package is to be executed only in any one of the following
environments:

    * Apple Inc. iOS

Additional environments may be added to this list in the future.
All other terms of the GPL continue to apply.
  


License Terms
for the JACK iOS GUI

Copyright (c) 2012 - 2013 Christian Schoenebeck
C/O Crudebyte, http://www.crudebyte.com

The JACK iOS graphical user interface (GUI) in conjunction with the JACK
iOS server assemble the "JACK Audio Connection Kit" iOS app.
                                                    
The JACK iOS GUI is released under the terms of the GNU General Public
License version 2 as published by the Free Software Foundation.

NO FURTHER EXCEPTIONS OR ADDITIONS APPLY FOR THE JACK iOS GUI REGARDING
RELEASE TERMS, RIGHTS, USAGE CONSTRAINTS AND LEGAL PROVISIONS.

If you have any questions regarding the license of this software, contact
us i.e. by the URL provided above or on http://jackaudio.org respectively.
  


End of the JACK iOS license terms.


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