Monthly Archives: November 2014

Monthly Archives: November 2014

Open Source Licenses: BSD 3-Clause License

Posted on by Sam Posted in Open Source Software | Comments Off on Open Source Licenses: BSD 3-Clause License

The BSD License 3-Clause  (a.k.a Modified BSD License, New BSD, BSD-3, 3-clause BSD) is another brief license that is “permissive” and compatible with the GPL. BSD 3-Clause License  Link to BSD 3-Clause License: here Background: The original BSD license contained 4-clauses, but had a problematic “advertising clause” which required acknowledgement of organization/individuals that developed the Software.  This became problematic when programs were combined together in a software distribution.  Thus every occurrence of the license with a different name requiring a separate …

Open Source License Series: MIT License

Posted on by Sam Posted in Open Source Software | Comments Off on Open Source License Series: MIT License

The MIT License is very short “permissive” license (described below) that does not have copyleft provisions is thus commercial friendly.  In contrast with the GPL, the MIT License does not require modifications to be open source if you distribute such modifications. MIT License Link to MIT License: here Background: The MIT License was published by the Massachusetts Institute of Technology in 1988. Key Provisions in MIT License: The MIT License grants, free of charge, to any person who obtains a copy …

Open Source License Series: GPL version 3

Posted on by Sam Posted in Open Source Software | Comments Off on Open Source License Series: GPL version 3

GPL version 3 ushers in a number of additions to version 2.  While BlackDuck indicates that there is still twice as many open source software licensed under GPLv2.0 (26%) as there are GPLv3.0 (11%), the adoption rate for GPLv3.0 is still increasing.  It’s worth noting that open source software initially licensed under GPLv2.0 and contains language such as “or (at your version) any later version”, would allow users to sublicense their software under either GPLv2.0 or upgrade to GPLv3.0. GNU …

Open Source Licenses Series: GPL version 2

Posted on by Sam Posted in Law, Open Source Software | Comments Off on Open Source Licenses Series: GPL version 2

As a former programmer, I’ve always struggled to untangle the various Open Source Software licenses.  I’m hoping this series will explain, in simple terms, the basics behind such licenses. According to Black Duck Software, the GNU Public License version 2.0 is still the most popular open source software license on the internet and as such, we’ll begin with an introduction to the GPL version 2.0. GNU Public License (GPL) version 2.0 Link to GPLv2.0 license: here Background:  The first version of GPL was …