A free-software license is a notice that grants the recipient of a piece of software extensive rights to modify and redistribute that software. These actions...

software licenses which have a linked Wikipedia article for details and which are approved by at least one of the following expert groups: the Free Software...

broadly covers free content licenses and open-source licenses, also known as free software licenses. The invention of the term "free license" and the focus...

A permissive software license, sometimes also called BSD-like or BSD-style license, is a free-software license which instead of copyleft protections,...

Free software, libre software, libreware or rarely known as freedom-respecting software is computer software distributed under terms that allow users to...

License-free software is computer software that is not explicitly in the public domain, but the authors appear to intend free use, modification, distribution...

The GNU Free Documentation License (GNU FDL or GFDL) is a copyleft license for free documentation, designed by the Free Software Foundation (FSF) for the...

Free and open-source software (FOSS) is software that is available under a license that grants the right to use, modify, and distribute the software, modified...

A software license is a legal instrument governing the use or redistribution of software. Since the 1970s, software copyright has been recognized in the...

The Apache License is a permissive free software license written by the Apache Software Foundation (ASF). It allows users to use the software for any purpose...

MIT License is a permissive software license originating at the Massachusetts Institute of Technology (MIT) in the late 1980s. As a permissive license, it...

The GNU General Public Licenses (GNU GPL or simply GPL) are a series of widely used free software licenses, or copyleft licenses, that guarantee end users...

Open-source licenses are software licenses that allow content to be used, modified, and shared. They facilitate free and open-source software (FOSS) development...

BSD licenses are a family of permissive free software licenses, imposing minimal restrictions on the use and distribution of covered software. This is...

Proprietary software is a subset of non-free software, a term defined in contrast to free and open-source software; non-commercial licenses such as CC...

Python Software Foundation License (PSFL) is a BSD-style, permissive software license which is compatible with the GNU General Public License (GPL). Its...

The GNU Affero General Public License (GNU AGPL) is a free, copyleft license published by the Free Software Foundation in November 2007, and based on...

free software movement. The FSF is also the steward of several free software licenses, meaning it publishes them and has the ability to make revisions...

Free content, libre content, libre information, or free information is any kind of creative work, such as a work of art, a book, a software program, or...

The ISC license is a permissive free software license published by the Internet Software Consortium, now called Internet Systems Consortium (ISC). It is...

Debian Free Software Guidelines (DFSG) is a set of guidelines that the Debian Project uses to determine whether a software license is a free software license...

The Academic Free License (AFL) is a permissive free software license written in 2002 by Lawrence E. Rosen, a former general counsel of the Open Source...

certain patents. Copyleft software licenses are considered protective or reciprocal in contrast with permissive free software licenses, and require that information...

creative works except for computer hardware and software, including for commercial use. The license was written in July 2000, with contributions from...

authorization. Free and open-source software portal Comparison of free and open-source software licenses Free software Free-software license List of commercial...

Open-source software (OSS) is computer software that is released under a license in which the copyright holder grants users the rights to use, study, change...

GNU Lesser General Public License (LGPL) is a free-software license published by the Free Software Foundation (FSF). The license allows developers and companies...

similar license, libpng license, sometimes referred interchangeably as zlib/libpng license. The zlib license has been approved by the Free Software Foundation...

free and open-source software packages, computer software licensed under free software licenses and open-source licenses. Software that fits the Free...

The Artistic License is an open-source license used for certain free and open-source software packages, most notably the standard implementation of the...