The complete WiredTiger software package is Open Source software: you are welcome to modify and redistribute it under the terms of version 2 or version 3 of the GNU General Public License as published by the Free Software Foundation. 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 details.

For a license to use the WiredTiger software under conditions other than those described above, or for technical support for this software, please contact WiredTiger, Inc. at info@.nosp@m.wire.nosp@m.dtige.nosp@m.r.co.nosp@m.m.

3rd party software included in the WiredTiger library

Every build of the WiredTiger library binary includes the following 3rd party software, distributed under their license terms. Redistribution of the WiredTiger library should comply with these copyrights.

Distribution Files	Copyright Holder	License
`src/include/bitstring.i`	University of California, Berkeley	BSD-3-Clause License
`src/include/queue.h`	University of California, Berkeley	BSD-3-Clause License
`src/support/hash_city.c`	Google, Inc.	The MIT License
`src/support/hash_fnv.c`	Authors	Public Domain
`src/utilities/util_getopt.c`	University of California, Berkeley	BSD-3-Clause License

3rd party software optionally included in the WiredTiger library: LevelDB

If the –enable-leveldb configuration option is specified when configuring the WiredTiger build, additional 3rd party software is included in the WiredTiger LevelDB library binary, distributed under their license terms. Redistribution of the WiredTiger library built with the –enable-leveldb configuration option should comply with these copyrights.

Distribution Files	Copyright Holder	License
`api/leveldb/basho/*`	Basho Technologies, Inc.	Apache License, Version 2.0
`api/leveldb/hyperleveldb/*`	The HyperLevelDB Authors	BSD-3-Clause License
`api/leveldb/leveldb/*`	Google, Inc.	BSD-3-Clause License
`api/leveldb/rocksdb/*`	Facebook, Inc.	BSD-3-Clause License

3rd party software included in the WiredTiger distribution

The WiredTiger software distribution includes additional 3rd party software licensed under a variety of licenses. This software is NOT included in the WiredTiger library binary as built by the distribution, it is only used to build and test the WiredTiger documentation and software. If you extract portions of the WiredTiger software distribution for inclusion in other packages, or redistribute selected portions of the WiredTiger sources, please review the copyright notices and LICENSE files included in the WiredTiger distribution for the terms and conditions of such redistribution.

Public domain software

Many portions of the WiredTiger distribution are public domain software. Public domain files have notices releasing the software into the public domain and may be freely used and redistributed.