Open Source Software / Free Software (OSS/FS) (also abbreviated as FLOSS or FOSS) has risen to great prominence. Briefly, OSS/FS programs are programs whose licenses give users the freedom to run the program for any purpose, to study and modify the program, and to redistribute copies of either the original or modified program (without having to pay royalties to previous developers).
Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do these things and that manufacturers of consumer-facing hardware allow user modifications to their hardware. Free software is generally available without charge, but can have a fee, such as in the form of charging for CDs or other distribution medium among other ways.
From 1998 onward, alternative terms for free software came into use. The most common are software libre, free and open source software (FOSS) and free, libre and open source software (FLOSS). The Software Freedom Law Center was founded in 2005 to protect and advance FLOSS. Commercial software may sometimes offer freedoms which are typical of free and open source software. Contrary to a popular misconception that software is either free or commercial they are unrelated traits. One example of free commercial software is GNAT.It has been developed and is available commercially (i.e., against payment), but is free software because of its non-proprietary nature, with the source code publicly available. On the other hand, free software and proprietary software are opposite traits, and an application can be one or the other but never both, contingent upon the availability of the source code under certain minimum freedoms.
Free software, which may or may not be distributed free of charge, is distinct from freeware which, by definition does not require payment for use. The authors or copyright holders of freeware may retain all rights to the software; it is not necessarily permissible to reverse engineer, modify, or redistribute freeware.
Since free software may be freely redistributed it is generally available at little or no cost. Free software business models are usually based on adding value such as applications, support, training, customization, integration, or certification. At the same time, some business models which work with proprietary software are not compatible with free software, such as those that depend on the user to pay for a license in order to lawfully use the software product.
The free software movement was conceived in 1983 by Richard Stallman to satisfy the need for and to give the benefit of software freedom to computer users.Stallman founded the Free Software Foundation in 1985 to provide the organizational structure to advance his Free Software ideas.
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Why open source software have are license?
An open-source license is a copyright license for computer software that makes the source code available for everyone to use. This allows end users to review and modify the source code for their own customization and/or troubleshooting needs. Open-source licenses are also commonly free, allowing for modification, redistribution, and commercial use without having to pay the original author. Some open-source licenses only permit modification of the source code for personal use or only permit non-commercial redistribution. All such licenses usually have additional restrictions such as a requirement to preserve the name of the authors and a copyright statement within the code. One popular set of free open-source software licenses are those approved by the Open Source Initiative (OSI) based on their Open Source Definition (OSD).
Please describe the name of open source software.There are to many open source software that i "Google",can you describe which one is the best?
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