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The Free Software Foundation (FSF) is a 501(c)(3) non-profit organization founded by Richard Stallman on 4 October 1985 to support the free software movement, which promotes the universal freedom to study, distribute, create, and modify computer software,〔(【引用サイトリンク】title=Free software is a matter of liberty, not price )〕 with the organization's preference for software being distributed under copyleft ("share alike") terms,〔(【引用サイトリンク】publisher=Free Software Foundation )〕 such as with its own GNU General Public License.〔(【引用サイトリンク】url=https://www.gnu.org/copyleft/copyleft.html )〕 The FSF was incorporated in Massachusetts, USA, where it is also based.〔(【引用サイトリンク】title=FREE SOFTWARE FOUNDATION, INC. Summary Screen )〕 From its founding until the mid-1990s, FSF's funds were mostly used to employ software developers to write free software for the GNU Project. Since the mid-1990s, the FSF's employees and volunteers have mostly worked on legal and structural issues for the free software movement and the free software community. Consistent with its goals, only free software is used on the FSF's computers. ==History== The Free Software Foundation was founded in 1985 as a non-profit corporation supporting free software development. It continued existing GNU projects such as the sale of manuals and tapes, and employed developers of the free software system.〔(【引用サイトリンク】title=The GNU Project )〕 Since then, it has continued these activities, as well as advocating for the 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 as needed.〔(【引用サイトリンク】title=Licenses )〕 In March 2003, SCO filed suit against IBM alleging that IBM's contributions to various free software, including FSF's GNU, violated SCO's rights. While FSF was never a party to the lawsuit, FSF was subpoenaed on November 5, 2003. During 2003 and 2004, FSF put substantial advocacy effort into responding to the lawsuit and quelling its negative impact on the adoption and promotion of free software.〔 In 2007, the FSF published the third version of the GNU General Public License after significant outside input.〔(【引用サイトリンク】url=https://www.gnu.org/licenses/gpl.html )〕 The FSF holds the copyrights on many pieces of the GNU system, such as GNU Compiler Collection. As holder of these copyrights, it has the authority to enforce the copyleft requirements of the GNU General Public License (GPL) when copyright infringement occurs on that software. From 1991 until 2001, GPL enforcement was done informally, usually by Stallman himself, often with assistance from FSF's lawyer, Eben Moglen. Typically, GPL violations during this time were cleared up by short email exchanges between Stallman and the violator. In the interest of promoting copyleft assertiveness by software companies to the level that the FSF was already doing, in 2004 Harald Welte launched gpl-violations.org. In late 2001, Bradley M. Kuhn (then Executive Director), with the assistance of Moglen, David Turner, and Peter T. Brown, formalized these efforts into FSF's GPL Compliance Labs. From 2002-2004, high profile GPL enforcement cases, such as those against Linksys and OpenTV, became frequent.〔 Hosted on the Wayback machine.〕 GPL enforcement and educational campaigns on GPL compliance was a major focus of the FSF's efforts during this period. In December 2008, FSF filed a lawsuit against Cisco for using GPL-licensed components shipped with Linksys products. Cisco was notified of the licensing issue in 2003 but Cisco repeatedly disregarded its obligations under the GPL. In May 2009, FSF dropped the lawsuit when Cisco agreed to make a monetary donation to the FSF and appoint a Free Software Director to conduct continuous reviews of the company's license compliance practices. From 2003 to 2005, FSF held legal seminars to explain the GPL and the surrounding law.〔(【引用サイトリンク】url = http://yro.slashdot.org/article.pl?sid=03/07/18/1835252 )〕 Usually taught by Bradley M. Kuhn and Daniel Ravicher, these seminars offered CLE credit and were the first effort to give formal legal education on the GPL.〔(【引用サイトリンク】title=FSF To Host Free Software Licensing Seminars and Discussions on SCO v. IBM in New York )〕〔FSF Bulletin 3 notes that a seminar led by Kuhn and Ravicher occurred on 2003-08-08〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Free Software Foundation」の詳細全文を読む スポンサード リンク
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