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Third-Party Licenses Used in Qtopia

This document is merely a guide. Full details of licensing is given in the license documents.

Qtopia references some code that is not original code produced by Trolltech, but rather under specific licenses from the original authors. This page lists the licenses used for that code, names the authors, and links to the points where it is used.

In addition, Qt references other third-party code.

Trolltech gratefully acknowledges these and other contributions to Qtopia. We recommend that all users of Qtopia also acknowledge these contributions, and quote all these license statements in an appendix to the documentation.

OpenOBEX is a free open source implementation of the Object Exchange (OBEX) protocol. For more information see http://www.openobex.org


TiMidity is a freeware library and is copyright 1995 of Tuukka Toivonen, now extended for free use and modification.


AMR codec is the 3GPP reference implementation. As such, it is available for license in accordance with the ETSI IPR Policy, from the relevant IPR holders.


Support is included for the Beep Science DRM agent. The DRM engines itself is not provided. For licensing, contact Beep Science. Other engines may be integrated


Qtopia supports the integration of the Helix DNA Client V1.5 (Cayenne). The Helix source code itself is not provided. The Helix engine is published under a number of licenses, ranging from R&D to commercial. For more information see https://helixcommunity.org.


zlib compression is provided using the freeware zlib library.


Bluez utility programs are executed by Qtopia. Bluez is distributed under the terms of the GNU General Public License, as are any additions to its code provided by Trolltech.


(C) Copyright 1996 Apple Computer, Inc., AT&T Corp., International Business Machines Corporation and Siemens Rolm Communications Inc.

For purposes of this license notice, the term Licensors shall mean, collectively, Apple Computer, Inc., AT&T Corp., International Business Machines Corporation and Siemens Rolm Communications Inc. The term Licensor shall mean any of the Licensors.

Subject to acceptance of the following conditions, permission is hereby granted by Licensors without the need for written agreement and without license or royalty fees, to use, copy, modify and distribute this software for any purpose.

The above copyright notice and the following four paragraphs must be reproduced in all copies of this software and any software including this software.

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS AND NO LICENSOR SHALL HAVE ANY OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS OR MODIFICATIONS.

IN NO EVENT SHALL ANY LICENSOR BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS ARISING OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

EACH LICENSOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF NONINFRINGEMENT OR THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

The software is provided with RESTRICTED RIGHTS. Use, duplication, or disclosure by the government are subject to restrictions set forth in DFARS 252.227-7013 or 48 CFR 52.227-19, as applicable.


Dissipate2 is an implementation of the Session Initiation Protocol (SIP).

Copyright (c) 2000 Billy Biggs <bbiggs@div8.net> Copyright (c) 2004 Wirlab <kphone@wirlab.net>

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, 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 License for more details.

You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


GSM is a codec optimised for recording human speech, and is used by the MediaRecorder.

Copyright 1992, 1993, 1994 by Jutta Degener and Carsten Bormann, Technische Universitaet Berlin

Any use of this software is permitted provided that this notice is not removed and that neither the authors nor the Technische Universitaet Berlin are deemed to have made any representations as to the suitability of this software for any purpose nor are held responsible for any defects of this software. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.

As a matter of courtesy, the authors request to be informed about uses this software has found, about bugs in this software, and about any improvements that may be of general interest.

Berlin, 28.11.1994 Jutta Degener Carsten Bormann


The OpenSSL library is an open source implementation of the SSL and TLS protocols. OpenSSL was formerly known as SSLeay.

The OpenSSL toolkit exists under a dual license, i.e. both the conditions of the OpenSSL License and the original SSLeay license apply to the toolkit. Both licenses are BSD-style Open Source licenses. More information about OpenSSL can be found at http://www.openssl.org.


The Tar library may be redistributed, subject to the following conditions:

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 CONTRIBUTORS 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 WITH THE SOFTWARE.


The atd program is based on Russ Nelson's lightweight At daemon. The At daemon will run a program at a specified time. It is distributed under the terms of the GNU General Public License.

ALL MATERIALS, INFORMATION AND SOFTWARE INCLUDED IN OR AVAILABLE THROUGH OR IN CONNECTION WITH THIS DOCUMENT (THE "CONTENT") ARE PROVIDED "AS IS". THE CONTENT IS PROVIDED WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, TROLLTECH ON BEHALF OF ITSELF AND ITS LICENSORS AND SUPPLIERS, DOES NOT WARRANT THAT THE CONTENT IS ACCURATE, RELIABLE OR CORRECT; THAT ANY DEFECTS OR ERRORS WILL BE CORRECTED; OR THAT THE CONTENT IS FREE OF VIRUSES OR OTHER HARMFUL COMPONENTS. YOUR USE OF THE CONTENT IS SOLELY AT YOUR RISK.


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Qtopia 4.2.5