Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source:
 https://github.com/duckdb/duckdb,
 https://github.com/duckdb/duckdb-httpfs,
 https://github.com/duckdb/duckdb-quack,
 https://github.com/duckdb/duckdb-sqlite,
 https://github.com/duckdb/duckdb-postgres,
 https://github.com/duckdb/duckdb-mysql,
 https://github.com/duckdb/database-connector
Upstream-Name: duckdb
Upstream-Contact:
 https://github.com/duckdb/duckdb,

Files: *
Copyright: 2018-2025 Stichting DuckDB Foundation
License: Expat

Files: src/common/crypto/md5.cpp
Copyright: 1993 Colin Plumb
License: public-domain

Files: extension_external/mysql/src/include/mysql_version.h
Copyright: 1996-2007 TCX DataKonsult AB, Monty Program KB, Detron HB, MySQL AB
License: public-domain

Files: extension_external/sqlite/src/sqlite/sqlite3.c
 extension_external/sqlite/src/sqlite/sqlite3.h
Copyright: none
License: public-domain

Files: debian/*
Copyright: 2026 Dominique Belhachemi <domibel@debian.org>
License: Expat

Files: test/sqlite/termcolor.hpp
Copyright: 2013 Ihor Kalnytskyi
License: BSD-3-Clause

Files: src/common/checksum.cpp
 src/common/types/hash.cpp
Copyright: 2018-2021 Martin Ankerl
License: Expat

Files: src/include/duckdb/execution/merge_sort_tree.hpp
Copyright: 2022 salesforce.com, inc.
License: Expat

Files: src/include/duckdb/storage/compression/alp/algorithm/*
 src/include/duckdb/storage/compression/alprd/algorithm/*
Copyright: 2023 CWI, Azim Afroozeh, Leonardo Xavier Kuffo Rivero
License: Expat

Files: test/sakila/*
Copyright: 2006 MySQL AB
License: BSD-3-Clause

Files: third_party/jemalloc/*
Copyright: 2002-present Jason Evans <jasone@canonware.com>
 2007-2012 Mozilla Foundation
 2009-present Facebook, Inc.
License: BSD-2-Clause

Files: third_party/jemalloc/include/jemalloc/internal/hash.h
Copyright: Austin Appleby
License: public-domain

Files: third_party/jemalloc/include/msvc_compat/C99/stdint.h
Copyright: 2006-2008 Alexander Chemeris
License: BSD-3-Clause

Files: src/include/duckdb/common/adbc/*
Copyright: Apache Arrow Authors
License: Apache-2.0

Files: src/include/duckdb/common/arrow/nanoarrow/*
Copyright: Apache Arrow Authors
License: Apache-2.0

Files: src/common/adbc/nanoarrow/*
Copyright: Apache Arrow Authors
License: Apache-2.0

Files: test/api/adbc/*
Copyright: Apache Arrow Authors
License: Apache-2.0

Files: third_party/catch/*
Copyright: 2021 Two Blue Cubes Ltd
License: BSL-1.0

Files: third_party/concurrentqueue/*
Copyright: 2013-2016 Cameron Desrochers
License: BSD-2-Clause or BSL-1.0

Files: third_party/concurrentqueue/lightweightsemaphore.h
Copyright: Jeff Preshing
License: Zlib

Files: third_party/fast_float/*
Copyright: 2021 Daniel Lemire, João Paulo Magalhaes
License: Expat

Files: third_party/fastpforlib/*
Copyright: 2013-2014 Daniel Lemire
License: Apache-2.0

Files: third_party/fmt/*
Copyright: 2012-present Victor Zverovich
License: Expat

Files: third_party/fsst/*
Copyright: 2018-2020 CWI, TU Munich, FSU Jena
License: Expat

Files: third_party/httplib/*
Copyright: 2017 yhirose
License: Expat

Files: third_party/hyperloglog/*
Copyright: 2012 Artsyinc, Inc.
License: Expat

Files: third_party/hyperloglog/sds.cpp
 third_party/hyperloglog/sds.hpp
Copyright: 2006-2015 Salvatore Sanfilippo
 2015 Oran Agra
 2015 Redis Labs, Inc
License: BSD-3-Clause

Files: third_party/hyperloglog/hyperloglog.cpp
Copyright: 2014 Salvatore Sanfilippo
License: BSD-3-Clause

Files: third_party/jaro_winkler/*
Copyright: 2022 Max Bachmann
License: Expat

Files: third_party/mbedtls/*
Copyright: The Mbed TLS Contributors
License: Apache-2.0 or GPL-2+

Files: third_party/miniz/*
Copyright: 2010-2014 RAD Game Tools, Valve Software, Rich Geldreich, Tenacious Software LLC
 2016 Martin Raiber
License: Expat

Files: third_party/parquet/*
Copyright: 2012-2014 The Apache Software Foundation
License: Apache-2.0

Files: third_party/pcg/*
Copyright: 2014-2017 Melissa O'Neill, PCG Project contributors
License: Apache-2.0 or Expat

Files: third_party/pdqsort/*
Copyright: 2021 Orson Peters
License: Zlib

Files: third_party/re2/*
Copyright: 2009 The RE2 Authors
License: BSD-3-Clause

Files: third_party/re2/util/rune.cc
 third_party/re2/util/utf.h
Copyright: 2002 Lucent Technologies
License: HPND

Files: third_party/ska_sort/*
Copyright: 2016 Malte Skarupke
License: BSL-1.0

Files: third_party/skiplist/*
Copyright: 2017-2023 Paul Ross
License: Expat

Files: third_party/tdigest/*
Copyright: Ted Dunning
License: Apache-2.0

Files: third_party/thrift/*
Copyright: The Apache Software Foundation
License: Apache-2.0

Files: third_party/utf8proc/*
Copyright: 2009-2019 Steven G. Johnson, Jiahao Chen, Tony Kelman, Jonas Fonseca, Public Software Group e.V.
License: Expat

Files: third_party/utf8proc/utf8proc_data.cpp
Copyright: 1991-2007 Unicode, Inc.
License: Expat and Unicode-Data

Files: extension/icu/collation/generated/collation_data.cpp
Copyright: Unicode, Inc.
License: Expat and Unicode-Data

Files: third_party/vergesort/*
Copyright: 2015 Morwenn
License: Expat

Files: third_party/vergesort/detail/insertion_sort.h
 third_party/vergesort/detail/log2.h
Copyright: 2015 Orson Peters
 2015-2016 Morwenn
License: Zlib

Files: tools/shell/linenoise/*
Copyright: 2014-2016 Salvatore Sanfilippo, Pieter Noordhuis
License: BSD-2-Clause

Files: scripts/run-clang-tidy.py
 scripts/clang-tidy-diff.py
Copyright: LLVM Project contributors
License: Apache-2.0 with LLVM exception

License: Apache-2.0
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 .
 On Debian systems, the full text of the Apache License, Version 2.0
 can be found in the file /usr/share/common-licenses/Apache-2.0.

License: Apache-2.0 with LLVM exception
 Licensed under the Apache License, Version 2.0 (the "License") with
 the LLVM Exceptions, as follows:
 .
 ---- LLVM Exceptions to the Apache 2.0 License ----
 .
 As an exception, if, as a result of your compiling your source code, portions
 of this Software are embedded into an Object form of such source code, you
 may redistribute such embedded portions in such Object form without complying
 with the conditions of Sections 4(a), 4(b) and 4(d) of the License.
 .
 In addition, if you combine or link compiled forms of this Software with
 software that is licensed under the GPLv2 ("Combined Software") and if a
 court of competent jurisdiction determines that the patent provision (Section
 3), the indemnity provision (Section 9) or other Section of the License
 conflicts with the conditions of the GPLv2, you may retroactively and
 prospectively choose to deem waived or otherwise exclude such Section(s) of
 the License, but only in their entirety and only with respect to the Combined
 Software.
 .
 On Debian systems, the full text of the Apache License, Version 2.0
 can be found in the file /usr/share/common-licenses/Apache-2.0.

License: BSD-2-Clause
 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.

License: BSD-3-Clause
 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.

License: BSL-1.0
 Boost Software License - Version 1.0 - August 17th, 2003
 .
 Permission is hereby granted, free of charge, to any person or organization
 obtaining a copy of the software and accompanying documentation covered by
 this license (the "Software") to use, reproduce, display, distribute,
 execute, and transmit the Software, and to prepare derivative works of the
 Software, and to permit third-parties to whom the Software is furnished to
 do so, all subject to the following:
 .
 The copyright notices in the Software and this entire statement, including
 the above license grant, this restriction and the following disclaimer,
 must be included in all copies of the Software, in whole or in part, and
 all derivative works of the Software, unless such copies or derivative
 works are solely in the form of machine-executable object code generated
 by a source language processor.
 .
 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.

License: Expat
 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.

License: GPL-2+
 On Debian systems, the full text of the GNU General Public License
 version 2 can be found in the file /usr/share/common-licenses/GPL-2.

License: HPND
 Permission to use, copy, modify, and distribute this software for any
 purpose without fee is hereby granted, provided that this entire notice
 is included in all copies of any software which is or includes a copy
 or modification of this software and in all copies of the supporting
 documentation for such software.
 .
 THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
 WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
 REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
 OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.

License: public-domain
 This work has been dedicated to the public domain by its author, who
 disclaims copyright to it.

License: Unicode-Data
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of the Unicode data files and any associated documentation (the "Data
 Files") or Unicode software and any associated documentation (the
 "Software") to deal in the Data Files or Software without restriction,
 including without limitation the rights to use, copy, modify, merge,
 publish, distribute, and/or sell copies of the Data Files or Software, and
 to permit persons to whom the Data Files or Software are furnished to do
 so, provided that (a) the above copyright notice(s) and this permission
 notice appear with all copies of the Data Files or Software, (b) both the
 above copyright notice(s) and this permission notice appear in associated
 documentation, and (c) there is clear notice in each modified Data File or
 in the Software as well as in the documentation associated with the Data
 File(s) or Software that the data or software has been modified.
 .
 THE DATA FILES AND SOFTWARE ARE 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 OF
 THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
 INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR 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 THE DATA FILES OR SOFTWARE.
 .
 Except as contained in this notice, the name of a copyright holder shall
 not be used in advertising or otherwise to promote the sale, use or other
 dealings in these Data Files or Software without prior written
 authorization of the copyright holder.

License: Zlib
 This software is provided 'as-is', without any express or implied warranty.
 In no event will the authors be held liable for any damages arising from the
 use of this software.
 .
 Permission is granted to anyone to use this software for any purpose,
 including commercial applications, and to alter it and redistribute it
 freely, subject to the following restrictions:
 .
 1. The origin of this software must not be misrepresented; you must not
    claim that you wrote the original software. If you use this software in
    a product, an acknowledgment in the product documentation would be
    appreciated but is not required.
 2. Altered source versions must be plainly marked as such, and must not be
    misrepresented as being the original software.
 3. This notice may not be removed or altered from any source distribution.
