The Shared Source Initiative ( SSI ) is a source-available software licensing scheme launched by Microsoft in May 2001. The program includes a spectrum of technologies and licenses, and most of its source code offerings are available for download after eligibility criteria are met.
49-526: Microsoft's Shared Source Initiative allows individuals and organizations to access Microsoft's source code for reference (e.g. when developing complementary systems), for review and auditing from a security perspective (mostly wanted by some large corporations and governments), and for development (academic institutions, OEMs, individual developers). As part of the framework, Microsoft released 5 licenses for general use. Two of them, Microsoft Public License and Microsoft Reciprocal License , have been approved by
98-488: A web store . FSF offers speakers and seminars for pay, and all FSF projects accept donations. Revenues fund free-software programs and campaigns, while cash is invested conservatively in socially responsible investing . The financial strategy is designed to maintain the Foundation's long-term future through economic stability. The FSF is a tax-exempt organization and posts annual IRS Form 990 filings online. Through
147-497: A "Respects Your Freedom" (RYF) hardware certification program. To be granted certification, a product must use 100% Free Software, allow user installation of modified software, be free of backdoors and conform with several other requirements. The FSF's board of directors includes professors at leading universities, senior engineers, and founders. Current board members are: Previous board members include: Executive directors include: The FSF Articles of Organization state that
196-738: A Microsoft Windows platform. Like the Ms-LPL, this license is not open source because it is not technology-neutral due to its restriction that licensed software must be used on Windows, and is also not considered free by the Free Software Foundation due to this restriction. This is the most restrictive of the Microsoft Shared Source licenses. The source code is made available to view for reference purposes only, mainly to be able to view Microsoft classes source code while debugging. Developers may not distribute or modify
245-682: A decision. At the O'Reilly Open Source Convention in July 2007, Bill Hilf , director of Microsoft's work with open source projects, announced that Microsoft had formally submitted Ms-PL and Ms-RL to OSI for approval. It was approved on October 12, 2007, along with the Ms-PL. According to the Free Software Foundation, it is a free software license but not compatible with the GNU GPL . The following source-available software licenses have limitations that prevent them from being open-source according to
294-630: A free smartphone operating system and creating replacements for Skype and Siri . Previous projects highlighted as needing work included the Free Java implementations , GNU Classpath , and GNU Compiler for Java , which ensure compatibility for the Java part of OpenOffice.org , and the GNOME desktop environment (see Java: Licensing ). The effort has been criticized by Michael Larabel for either not instigating active development or for being slow at
343-511: A spectrum of technologies and licenses, and most of its source code offerings are available for download after eligibility criteria are met. Microsoft's Shared Source Initiative allows individuals and organizations to access Microsoft's source code for reference (e.g. when developing complementary systems), for review and auditing from a security perspective (mostly wanted by some large corporations and governments), and for development (academic institutions, OEMs, individual developers). As part of
392-672: A typical "linking exception"). Initially known as the Microsoft Community License , it was renamed during the OSI approval process. On December 9, 2005, the Ms-RL license was submitted to the Open Source Initiative for approval by John Cowan. OSI then contacted Microsoft and asked if they wanted OSI to proceed. Microsoft replied that they did not wish to be reactive and that they needed time to review such
441-544: Is "an insurgent term that distracts and dilutes the Open Source message by using similar-sounding terms and offering similar-sounding promises". The Shared Source Initiative has also been noted to increase the problem of license proliferation . Microsoft Public License The Shared Source Initiative ( SSI ) is a source-available software licensing scheme launched by Microsoft in May 2001. The program includes
490-574: Is a fundamental difference between speaking out against policies or actions and smear campaigns", and "that if one is taking an ethical position, it is justified, and often necessary, to not only speak about the benefits of freedom but against acts of dispossession and disenfranchisement." In 2009, a license update of LibDWG/ LibreDWG to version 3 of the GNU GPL made it impossible for the free software projects LibreCAD and FreeCAD to use LibreDWG legally. Many projects voiced their unhappiness about
539-486: Is also considered to be non-free by the Free Software Foundation due to this restriction. This is a version of the Microsoft Reciprocal License in which rights are only granted when developing software for a Microsoft Windows platform. Like the Ms-LPL, this license is not open source because it is not technology-neutral due to its restriction that licensed software must be used on Windows, and
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#1732788109548588-474: Is also not considered free by the Free Software Foundation due to this restriction. This is the most restrictive of the Microsoft Shared Source licenses. The source code is made available to view for reference purposes only, mainly to be able to view Microsoft classes source code while debugging. Developers may not distribute or modify the code for commercial or non-commercial purposes. The license has previously been abbreviated Ms-RL , but Ms-RL now refers to
637-569: Is also the steward of several free software licenses, meaning it publishes them and has the ability to make revisions as needed. The FSF holds the copyrights on many pieces of the GNU system, such as GNU Compiler Collection . As the holder of these copyrights, it has authority to enforce the copyleft requirements of the GNU General Public License (GPL) when copyright infringement occurs. From 1991 until 2001, GPL enforcement
686-624: Is an FSF-initiated campaign against DRM. It also has a campaign to promote Ogg + Vorbis , a free alternative to proprietary formats like AAC and MQA . FSF also sponsors free software projects it deems "high-priority". " Outstanding new Free Software contributor ", " Award for the Advancement of Free Software " and " Free Software Award for Projects of Social Benefit " The LibrePlanet wiki organizes FSF members into regional groups in order to promote free software activism against digital restrictions management and other issues promoted by
735-447: Is not open source, as defined by the OSI , because the restriction limiting use of the software to Windows violates the stipulation that open-source licenses must be technology-neutral. It is also considered to be non-free by the Free Software Foundation due to this restriction. This is a version of the Microsoft Reciprocal License in which rights are only granted when developing software for
784-534: Is solicited. Eben Moglen and Dan Ravicher previously served individually as pro bono legal counsel to the FSF. After forming the Software Freedom Law Center , Eben Moglen continued to serve as the FSF's general counsel until 2016. Most of the FSF funding comes from patrons and members. Revenue streams also come from free-software-related compliance labs, job postings, published works, and
833-574: The Free Software Foundation . This is the least restrictive of the Microsoft licenses and allows for distribution of compiled code for either commercial or non-commercial purposes under any license that complies with the Ms-PL. Redistribution of the source code itself is permitted only under the Ms-PL. Initially titled Microsoft Permissive License , it was renamed to Microsoft Public License while being reviewed for approval by
882-452: The GNU GPL . Ms-PL provides a free and flexible licensing for developers using source codes under this license. However, the Ms-PL is a copyleft license because it requires the source code of software it governs to be distributed only under the same license (the Ms-PL). This Microsoft license allows for distribution of derived code so long as the modified source files are included and retain
931-691: The GNU Lesser General Public License (LGPL), the GNU Free Documentation License (GFDL), and the GNU Affero General Public License (AGPL). The FSF's publishing department, responsible for "publishing affordable books on computer science using freely distributable licenses." This is a list of software packages that have been verified as free software. Each package entry contains up to 47 pieces of information such as
980-600: The Microsoft Reciprocal License . Two specific shared source licenses are interpreted as free software and open source licenses by FSF and OSI . However, former OSI president Michael Tiemann considers the phrase "Shared Source" itself to be a marketing term created by Microsoft. He argues that it is "an insurgent term that distracts and dilutes the Open Source message by using similar-sounding terms and offering similar-sounding promises". The Shared Source Initiative has also been noted to increase
1029-448: The Open Source Initiative (OSI). The license was approved on October 12, 2007, along with the Ms-RL. According to the Free Software Foundation, it is a free software license but not compatible with the GNU GPL . Ms-PL provides a free and flexible licensing for developers using source codes under this license. However, the Ms-PL is a copyleft license because it requires the source code of software it governs to be distributed only under
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#17327881095481078-496: The Open Source Initiative and free to the Free Software Foundation . This is a version of the Microsoft Public License in which rights are only granted to developers of Microsoft Windows -based software. This license is not open source, as defined by the OSI , because the restriction limiting use of the software to Windows violates the stipulation that open-source licenses must be technology-neutral. It
1127-453: The Open Source Initiative as open source licenses and are regarded by the Free Software Foundation as free software licenses. Other shared source licenses are proprietary, and thus allow the copyright holder to retain tighter control over the use of their product. Microsoft's Shared Source Initiative has been imitated by other companies such as RISC OS Open Ltd . Microsoft also uses specific licenses for some of their products, such as
1176-583: The Shared Source CLI License and the Microsoft Windows Embedded CE 6.0 Shared Source License. The following licenses are considered open-source by the Open Source Initiative and free by the Free Software Foundation . This is the least restrictive of the Microsoft licenses and allows for distribution of compiled code for either commercial or non-commercial purposes under any license that complies with
1225-520: The board of directors are elected. The bylaws say who can vote for them. The board can grant powers to the Voting Membership. At any given time, there are usually around a dozen employees. Most, but not all, worked at the FSF headquarters in Boston, Massachusetts until August 2024 when the FSF closed its offices and switched to remote work. On November 25, 2002, the FSF launched
1274-618: The h-node website lists hardware and device drivers that have been verified as compatible with free software. It is user-edited and volunteer supported with hardware entries tested by users before publication. FSF sponsors a number of campaigns against what it perceives as dangers to software freedom, including software patents , digital rights management (which the FSF and others have re-termed "digital restrictions management", as part of its effort to highlight technologies that are "designed to take away and limit your rights", ) and user interface copyright. Since 2012, Defective by Design
1323-556: The FSF Associate Membership program for individuals. Bradley M. Kuhn (FSF executive director, 2001–2005) launched the program and also signed up as the first Associate Member Associate members are primarily an honorary and funding support role. In 2023, associate members gained the ability to make board nominations, along with FSF staff and FSF voting members. There is also an annual meeting of FSF members, usually during lunch at LibrePlanet, in which feedback for FSF
1372-421: The FSF aims to use only free software on its own computers. 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. Since then, it has continued these activities, as well as advocating for the free software movement. The FSF
1421-649: The FSF. The FSF maintains a list of "high-priority projects" to which the Foundation claims that "there is a vital need to draw the free software community 's attention". The FSF considers these projects "important because computer users are continually being seduced into using non-free software , because there is no adequate free replacement." As of 2021, high-priority tasks include reverse engineering proprietary firmware, reversible debugging in GNU Debugger ; developing automatic transcription and video editing software, Coreboot , drivers for network routers ,
1470-568: The GNU Project and in 2021, he returned to the FSF board of directors. The original purpose of the FSF was to promote the ideals of free software. The organization envisaged the GNU operating system as an example of this. The GNU General Public License (GPL) is a widely used license for free software projects. The current version (version 3) was released in June 2007. The FSF has also published
1519-654: The GPL. In May 2009, Cisco and FSF reached settlement under which 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. In September 2019, Richard Stallman resigned as president of the FSF after pressure from journalists and members of the open source community in response to him making controversial comments in defense of Marvin Minsky on Jeffrey Epstein 's sex trafficking scandal. Nevertheless, Stallman remained head of
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1568-418: The Ms-PL. Redistribution of the source code itself is permitted only under the Ms-PL. Initially titled Microsoft Permissive License , it was renamed to Microsoft Public License while being reviewed for approval by the Open Source Initiative (OSI). The license was approved on October 12, 2007, along with the Ms-RL. According to the Free Software Foundation, it is a free software license but not compatible with
1617-486: The Ms-RL license was submitted to the Open Source Initiative for approval by John Cowan. OSI then contacted Microsoft and asked if they wanted OSI to proceed. Microsoft replied that they did not wish to be reactive and that they needed time to review such a decision. At the O'Reilly Open Source Convention in July 2007, Bill Hilf , director of Microsoft's work with open source projects, announced that Microsoft had formally submitted Ms-PL and Ms-RL to OSI for approval. It
1666-459: The Ms-RL. The Ms-RL allows those files in the distribution that do not contain code originally licensed under Ms-RL to be licensed according to the copyright holder's choosing. This is similar, but not the same as the CDDL , EPL or LGPL (GPL with a typical "linking exception"). Initially known as the Microsoft Community License , it was renamed during the OSI approval process. On December 9, 2005,
1715-517: 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. GPL enforcement and educational campaigns on GPL compliance was a major focus of the FSF's efforts during this period. 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
1764-438: The code for commercial or non-commercial purposes. The license has previously been abbreviated Ms-RL , but Ms-RL now refers to the Microsoft Reciprocal License . Two specific shared source licenses are interpreted as free software and open source licenses by FSF and OSI . However, former OSI president Michael Tiemann considers the phrase "Shared Source" itself to be a marketing term created by Microsoft. He argues that it
1813-406: The first effort to give formal legal education on the GPL. In 2007, the FSF published the third version of the GNU General Public License after significant outside input. 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
1862-410: The framework, Microsoft released 5 licenses for general use. Two of them, Microsoft Public License and Microsoft Reciprocal License , have been approved by the Open Source Initiative as open source licenses and are regarded by the Free Software Foundation as free software licenses. Other shared source licenses are proprietary, and thus allow the copyright holder to retain tighter control over
1911-591: The license itself. Linus Torvalds has criticized FSF for using GPLv3 as a weapon in the fight against DRM. Torvalds argues that the issue of DRM and that of a software license should be treated as two separate issues. On June 16, 2010, Joe Brockmeier, a journalist at Linux Magazine , criticized the Defective by Design campaign by the FSF as "negative" and "juvenile" and not being adequate for providing users with "credible alternatives" to proprietary software. FSF responded to this criticism by saying "that there
1960-437: The problem of license proliferation . Free Software Foundation The Free Software Foundation ( FSF ) is a 501(c)(3) non-profit organization founded by Richard Stallman on October 4, 1985. The organisation supports the free software movement , with the organization's preference for software being distributed under copyleft ("share alike") terms, such as with its own GNU General Public License . The FSF
2009-495: The project's homepage, developers, programming language, etc. The goals are to provide a search engine for free software, and to provide a cross-reference for users to check if a package has been verified as being free software. The FSF has received a small amount of funding from UNESCO for this project. FSF maintains many of the documents that define the free software movement. FSF hosts software development projects on its Savannah website. An abbreviation for "Hardware-Node",
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2058-410: The same license (the Ms-PL). This Microsoft license allows for distribution of derived code so long as the modified source files are included and retain the Ms-RL. The Ms-RL allows those files in the distribution that do not contain code originally licensed under Ms-RL to be licensed according to the copyright holder's choosing. This is similar, but not the same as the CDDL , EPL or LGPL (GPL with
2107-407: The use of their product. Microsoft's Shared Source Initiative has been imitated by other companies such as RISC OS Open Ltd . Microsoft also uses specific licenses for some of their products, such as the Shared Source CLI License and the Microsoft Windows Embedded CE 6.0 Shared Source License. The following licenses are considered open-source by the Open Source Initiative and free by
2156-410: The work being done, even after certain projects were added to the list. The FSF maintains a list of approved Linux operating systems that maintain free software by default: The project also maintains a list of operating systems that are not versions of the GNU system: The following are previously endorsed operating systems that are no longer actively maintained : Since 2012, the FSF maintains
2205-406: The years the FSF has had its postal address, and until August 31st 2024 when going all remote its physical headquarters, at different locations in Boston , Massachusetts , USA , as indicated in the table below. As the GNU GPL v2 included the FSF's postal address in one of the first lines of the introduction and the source code license notice template every change of address also caused updates to
2254-520: Was approved on October 12, 2007, along with the Ms-PL. According to the Free Software Foundation, it is a free software license but not compatible with the GNU GPL . The following source-available software licenses have limitations that prevent them from being open-source according to the Open Source Initiative and free to the Free Software Foundation . This is a version of the Microsoft Public License in which rights are only granted to developers of Microsoft Windows -based software. This license
2303-465: 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
2352-522: Was incorporated in Boston, Massachusetts , United States, where it is also based. 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 and its 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,
2401-440: 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. From 2003 to 2005, FSF held legal seminars to explain the GPL and the surrounding law. Usually taught by Bradley M. Kuhn and Daniel Ravicher , these seminars offered CLE credit and were
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