| 7-Zip | |
| ~~~~~ | |
| License for use and distribution | |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
| 7-Zip Copyright (C) 1999-2026 Igor Pavlov. | |
| The licenses for files are: | |
| - 7z.dll: | |
| - The "GNU LGPL" as main license for most of the code | |
| - The "GNU LGPL" with "unRAR license restriction" for some code | |
| - The "BSD 3-clause License" for some code | |
| - The "BSD 2-clause License" for some code | |
| - All other files: the "GNU LGPL". | |
| Redistributions in binary form must reproduce related license information from this file. | |
| Note: | |
| You can use 7-Zip on any computer, including a computer in a commercial | |
| organization. You don't need to register or pay for 7-Zip. | |
| GNU LGPL information | |
| -------------------- | |
| This library 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 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 | |
| Lesser General Public License for more details. | |
| You can receive a copy of the GNU Lesser General Public License from | |
| http://www.gnu.org/ | |
| BSD 3-clause License in 7-Zip code | |
| ---------------------------------- | |
| The "BSD 3-clause License" is used for the following code in 7z.dll | |
| 1) LZFSE data decompression. | |
| That code was derived from the code in the "LZFSE compression library" developed by Apple Inc, | |
| that also uses the "BSD 3-clause License". | |
| 2) ZSTD data decompression. | |
| that code was developed using original zstd decoder code as reference code. | |
| The original zstd decoder code was developed by Facebook Inc, | |
| that also uses the "BSD 3-clause License". | |
| Copyright (c) 2015-2016, Apple Inc. All rights reserved. | |
| Copyright (c) Facebook, Inc. All rights reserved. | |
| Copyright (c) 2023-2026 Igor Pavlov. | |
| Text of the "BSD 3-clause License" | |
| ---------------------------------- | |
| 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 above 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. Neither the name of the copyright holder 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 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. | |
| --- | |
| BSD 2-clause License in 7-Zip code | |
| ---------------------------------- | |
| The "BSD 2-clause License" is used for the XXH64 code in 7-Zip. | |
| XXH64 code in 7-Zip was derived from the original XXH64 code developed by Yann Collet. | |
| Copyright (c) 2012-2021 Yann Collet. | |
| Copyright (c) 2023-2026 Igor Pavlov. | |
| Text of the "BSD 2-clause License" | |
| ---------------------------------- | |
| 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 above 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. | |
| 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. | |
| --- | |
| unRAR license restriction | |
| ------------------------- | |
| The decompression engine for RAR archives was developed using source | |
| code of unRAR program. | |
| All copyrights to original unRAR code are owned by Alexander Roshal. | |
| The license for original unRAR code has the following restriction: | |
| The unRAR sources cannot be used to re-create the RAR compression algorithm, | |
| which is proprietary. Distribution of modified unRAR sources in separate form | |
| or as a part of other software is permitted, provided that it is clearly | |
| stated in the documentation and source comments that the code may | |
| not be used to develop a RAR (WinRAR) compatible archiver. | |
| -- | |