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The Sleepycat License (sometimes referred to as Berkeley Database License or the Sleepycat Public License) is a copyleft free software license used by Oracle Corporation for the open-source editions of Berkeley DB, Berkeley DB Java Edition and Berkeley DB XML embedded database products older than version 6.0.20.
- Yes
- Sleepycat
Sleepycat distributed Berkeley DB under a proprietary software license that included standard commercial features, and simultaneously under the newly created Sleepycat License, which allows open source use and distribution of Berkeley DB with a copyleft .
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What is a Sleepycat License?
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- Origin
- Architecture
- Oracle Corporation Use of Name "Berkeley Db"
- Open Source Programs Still Using Berkeley DB
- Licensing
- External Links
Berkeley DB originated at the University of California, Berkeley as part of BSD, Berkeley's version of the Unix operating system. After 4.3BSD (1986), the BSD developers attempted to remove or replace all code originating in the original AT&T Unix from which BSD was derived. In doing so, they needed to rewrite the Unix database package. Seltzer and...
Berkeley DB has an architecture notably simpler than relational database management systems. Like SQLite and LMDB, it is not based on a server/client model, and does not provide support for network access – programs access the database using in-process APIcalls. Oracle added support for SQL in 11g R2 release based on the popular SQLite API by inclu...
The name "Berkeley DB" is used by Oracle Corporation for three different products, only one of which is BDB: 1. Berkeley DB, the C database library that is the subject of this article 2. Berkeley DB Java Edition,a pure Java library whose design is modelled after the C library but is otherwise unrelated 3. Berkeley DB XML, a C++ program that support...
BDB was once very widespread, but usage dropped steeply from 2013 (see licensing section). Notable software that still uses Berkeley DB for data storage include: 1. Bogofilter – A free/open source spamfilter that saves its wordlists using Berkeley DB by default 2. Sendmail – A free/open source MTAfirst released in 1983 for Linux/Unix systems and no...
Berkeley DB V2.0 and higher is available under a dual license: 1. Oracle commercial license 2. The GNU AGPL v3. Switching the open source license in 2013 from the Sleepycat license to the AGPL had a major effect on open source software. Since BDB is a library, any application linking to it must be under an AGPL-compatible license. Many open source ...
- 1994; 29 years ago
- 18.1.40, / May 29, 2020;, 3 years ago
cryptlib is an open-source cross-platform software security toolkit library. It is distributed under the Sleepycat License, [2] a free software license compatible with the GNU General Public License. [3] . Alternatively, cryptlib is available under a proprietary license for those preferring to use it under proprietary terms. [4] Features.
The Open Source Initiative (OSI) is one such organization keeping a list of open-source licenses. [1] The Free Software Foundation (FSF) maintains a list of what it considers free. [2] FSF's free software and OSI's open-source licenses together are called FOSS licenses. There are licenses accepted by the OSI which are not free as per the Free ...
Open source license In June 2013, Oracle changed the license of Berkeley DB (a related project) from the Sleepycat license to the Affero General Public License, thus restricting its use in a wide variety of applications.
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