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For information on software-related licences, see Comparison of free and open-source software licenses. A variety of free-content licences exist, some of them tailored to a specific purpose. Also listed are open-hardware licences, which may be used on design documents of and custom-made software for open-source hardware.
Note: The licenses in this section require reprinting the entire license text with any reuse of the image. If you created the image yourself, please consider using a different license. If you created the image yourself, please consider using a different license.
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 ...
While the goals behind the terms are different, open-source licenses and free software licenses describe the same type of licenses. [13] The two main categories of free and open-source licenses are permissive and copyleft. [14] Both grant permission to change and distribute software. Typically, they require attribution and disclaim liability.
Examples of licenses that provoked debate were the 1.x series of the Apple Public Source License, which were accepted by the Open Source Initiative but not by the Free Software Foundation or Debian and the RealNetworks Public Source License, which was accepted by Open Source Initiative and Free Software Foundation but not by Debian.
Copyleft is a distinguishing feature of some free software licenses, while other free-software licenses are not copyleft licenses because they do not require the licensee to distribute derivative works under the same license. There is an ongoing debate as to which class of license provides the greater degree of freedom.
The Open Source Initiative defines a permissive software license as a "non-copyleft license that guarantees the freedoms to use, modify and redistribute". [6] GitHub's choosealicense website describes the permissive MIT license as "[letting] people do anything they want with your code as long as they provide attribution back to you and don't hold you liable."
In case of a photograph or screenshot, you must also own the copyright for all copyright-protected items (e.g. statue or app) that appear in it (example, see below for details). Freely licensed : You can prove that the copyright holder has released the image under an acceptable free license ( example , see below for details ) .