by Richard Stallman
When we call software free, we mean that it respects the users' essential freedoms: the freedom to run it, to study and change it, and to redistribute copies with or without changes. This is a matter of freedom, not price, so think of free speech, not free beer.
These freedoms are vitally important. They are essential, not just for the individual users' sake, but for society as a whole because they promote social solidaritythat is, sharing and cooperation. They become even more important as our culture and life activities are increasingly digitized. In a world of digital sounds, images, and words, free software becomes increasingly essential for freedom in general.
Tens of millions of people around the world now use free software; the public schools of some regions of India and Spain now teach all students to use the free GNU/Linux operating system. Most of these users, however, have never heard of the ethical reasons for which we developed this system and built the free software community, because nowadays this system and community are more often spoken of as open source, attributing them to a different philosophy in which these freedoms are hardly mentioned.
The free software movement has campaigned for computer users' freedom since 1983. In 1984 we launched the development of the free operating system GNU, so that we could avoid the nonfree operating systems that deny freedom to their users. During the 1980s, we developed most of the essential components of the system and designed the GNU General Public License (GNU GPL) to release them undera license designed specifically to protect freedom for all users of a program.
Not all of the users and developers of free software agreed with the goals of the free software movement. In 1998, a part of the free software community splintered off and began campaigning in the name of open source. The term was originally proposed to avoid a possible misunderstanding of the term free software, but it soon became associated with philosophical views quite different from those of the free software movement.
Some of the supporters of open source considered the term a marketing campaign for free software, which would appeal to business executives by highlighting the software's practical benefits, while not raising issues of right and wrong that they might not like to hear. Other supporters flatly rejected the free software movement's ethical and social values. Whichever their views, when campaigning for open source, they neither cited nor advocated those values. The term open source quickly became associated with ideas and arguments based only on practical values, such as making or having powerful, reliable software. Most of the supporters of open source have come to it since then, and they make the same association.
The two terms describe almost the same category of software, but they stand for views based on fundamentally different values. Open source is a development methodology; free software is a social movement. For the free software movement, free software is an ethical imperative, essential respect for the users' freedom. By contrast, the philosophy of open source considers issues in terms of how to make software betterin a practical sense only. It says that nonfree software is an inferior solution to the practical problem at hand. Most discussion of open source pays no attention to right and wrong, only to popularity and success; here's a typical example.
For the free software movement, however, nonfree software is a social problem, and the solution is to stop using it and move to free software.
Free software. Open source. If it's the same software (or nearly so), does it matter which name you use? Yes, because different words convey different ideas. While a free program by any other name would give you the same freedom today, establishing freedom in a lasting way depends above all on teaching people to value freedom. If you want to help do this, it is essential to speak of free software.
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Why Open Source Misses the Point of Free Software - GNU ...