This license applies to all parts of node-bdb that are not externally maintained libraries. The externally maintained libraries used by node-bdb are: - Berkeley DB, located under deps/db-5.1.25, which is copyrighted by Oracle, Inc. Berkeley DB is licensed under the Sleepycat license. Note that Berkeley DB is available under a commercial license as well. You can optionally choose to link node-bdb against your own Berkely DB installation. - tools/cpplint.py is copyrighted by Google,Inc and is released under the BSD license. node-bdb's license follows: Copyright (c) 2011 Mark Cavage, All rights reserved. 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