3-clause license ("New BSD License" or "Modified BSD License") New BSD License Author Regents of the University of California Publisher Public Domain Published July 22, 1999[8] DFSG compatible Yes[7] FSF approved Yes[1] OSI approved Yes[3] GPL compatible Yes[1] Copyleft No[1] Copyfree Yes Linking from code with a different license Yes The advertising clause was removed from the license text in the official BSD on July 22, 1999 by William Hoskins, Director of the Office of Technology Licensing for UC Berkeley.[8] Other BSD distributions removed the clause, but many similar clauses remain in BSD-derived code from other sources, and unrelated code using a derived license. While the original license is sometimes referred to as "BSD-old", the resulting 3-clause version is sometimes referred to by "BSD-new." Other names include "New BSD", "revised BSD", "BSD-3", or "3-clause BSD". This version has been vetted as an Open source license by the OSI as the "The BSD License".[3] The Free Software Foundation, which refers to the license as the "Modified BSD License", states that it is compatible with the GNU GPL. The FSF encourages users to be specific when referring to the license by name (i.e. not simply referring to it as "a BSD license" or "BSD-style") to avoid confusion with the original BSD license.[1] This version allows unlimited redistribution for any purpose as long as its copyright notices and the license's disclaimers of warranty are maintained. The license also contains a clause restricting use of the names of contributors for endorsement of a derived work without specific permission. Copyright (c) , All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * 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. * Neither the name of the 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 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. References 1. ^ a b c d e "Various Licenses and Comments about Them - GNU Project - Free Software Foundation (FSF): Modified BSD license". Free Software Foundation. Retrieved 02 October 2010. 2. ^ a b c d e "Various Licenses and Comments about Them - GNU Project - Free Software Foundation (FSF): FreeBSD license". Free Software Foundation. Retrieved 02 October 2010. 3. ^ a b c d e f "Open Source Initiative OSI - The BSD License:Licensing". Open Source Initiative. Retrieved 06 December 2009. 4. ^ a b c d "Various Licenses and Comments about Them - GNU Project - Free Software Foundation (FSF): Original BSD license". Free Software Foundation. Retrieved 02 October 2010. 5. ^ The year given is the year 4.3BSD-Tahoe was released. Whether this is the first use of the license is not known. 6. ^ The year given is the year 4.3BSD-Reno was released. Whether this is the first use of the license is not known. 7. ^ a b "Debian -- License information". Debian. Retrieved 18 February 2010. 8. ^ a b c "To All Licensees, Distributors of Any Version of BSD". University of California, Berkeley. 1999-07-22. Retrieved 2006-11-15. 9. ^ Richard Stallman. "The BSD License Problem". Free Software Foundation. Retrieved 2006-11-15. 10. ^ "The FreeBSD Copyright". The FreeBSD Project. Retrieved 6 December 2009. 11. ^ "NetBSD Licensing and Redistribution". The NetBSD Foundation. Retrieved 06 December 2009.