Open Software Foundation

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The Open Software Foundation (OSF) was a not-for-profit organization founded in 1988 under the U.S. National Cooperative Research Act of 1984 to create an open standard for an implementation of the UNIX operating system.[1][2]

In February 1996 Open Software Foundation merged with X/Open to become The Open Group.


The organization was first proposed by Armando Stettner of Digital Equipment Corporation at a by-invitation-only meeting hosted by DEC for several UNIX system vendors (called the "Hamilton Group", since the meeting was held at DEC's offices on Palo Alto's Hamilton Avenue).[3] It was intended as an organization for joint development, mostly in response to a perceived threat of "merged UNIX system" efforts by AT&T Corporation and Sun Microsystems. The foundation's original sponsoring members were Apollo Computer, Groupe Bull, Digital Equipment Corporation, Hewlett-Packard, IBM, Nixdorf Computer, and Siemens AG, sometimes called the "Gang of Seven". Later sponsor members included Philips and Hitachi with the broader general membership growing to more than a hundred companies.

The sponsors gave OSF significant funding, a broad mandate (the so-called "Seven Principles"), a fair measure of independence as well as support from sponsor senior management. Senior operational executives from the sponsoring companies served on OSF's initial Board of Directors. One of the Seven Principles was declaration of an "Open Process" whereby OSF staff would create Request for Proposals for source technologies to be selected by OSF, in a vendor neutral process. The selected technology would be licensed by the OSF to the public. Membership in the organization gave member companies a voice in the process for requirements. At the founding, five Open Process projects were named.

The organization was seen as a response to the collaboration between AT&T and Sun on UNIX System V Release 4, and a fear that other vendors would be locked out of the standardization process. This led Scott McNealy of Sun to quip that "OSF" really stood for "Oppose Sun Forever."[4] The competition between the opposing versions of UNIX systems became known as the UNIX wars. AT&T founded the UNIX International (UI) project management organization later that year as a counter-response to the OSF. UI was led by Peter Cunningham as its President formerly of ICL. UI had many of the same characteristics of OSF with the exception of a software development staff. Unix System Laboratories (USL) filled the software development role and UI was based in Parsippany, New Jersey to be close to USL.

The executive staff of the Open Software Foundation included David Tory, President formerly of Computer Associates; Norma Clarke, Vice-President Human Resources formerly of Mitre Corp.; Marty Ford, Vice-President Finance formerly of Digital Equipment Corp.; Ira Goldstein, Vice-President Research Institute formerly of Hewlett-Packard; Roger Gourd, Vice-President Engineering formerly of Digital Equipment Corp.; Alex Morrow, Vice-President Strategy formerly of IBM; Donal O'Shea, Vice-President of Operations formerly of Unisoft Corp. This staff added more than 300 employees in less than two years. The organization's headquarters were at 11 Cambridge Center in Cambridge, Massachusetts, intentionally located in the neighborhood of the Massachusetts Institute of Technology along with remote development offices in Munich, Germany and Grenoble, France as well as field offices in Brussels and Tokyo. To the public the organization appeared to be nothing more than an advocacy group; in reality it included a distributed software development organization.


OSF's UNIX reference implementation was known as "OSF/1" and was first released in December 1991 and adopted by Digital a month later.[5] As part of the founding of the organization, the AIX operating system was provided by IBM and was intended to be passed-through to the member companies of OSF. However, delays and portability concerns caused the OSF staff to shelve the original plan. Instead, a new UNIX reference operating system using components from across the industry would be released on a wide range of platforms to demonstrate its portability as well as vendor neutrality. This new OS was produced in a little more than a year's time and incorporated technology from Carnegie Mellon University: the Mach 2.5 microkernel; from IBM, the journaled file system as well as commands and libraries; from SecureWare secure core components; from BSD the networking stack; and a new virtual memory management system invented at OSF. By the time OSF stopped development of OSF/1 in 1994, the only major UNIX system vendor using the complete OSF/1 package was Digital, which rebranded it Digital UNIX (later known as Tru64 UNIX after Digital's acquisition by Compaq). However other Unix vendors licensed the operating system to include various components of OSF/1 in their products. Other software vendors also licensed OSF/1 including Apple. Parts of OSF/1 were contained in so many versions of Unix it arguably was most widely deployed Unix product ever produced. The OSF/1 copyright appears in the list of technologies used in the iPhone.[citation needed]

Other technologies developed by OSF include Motif and Distributed Computing Environment (DCE), respectively a widget toolkit and package of distributed network computing technologies. The Motif toolkit was adopted as a formal standard within the IEEE as P1295 in 1994.[6]

Filling out the initial (and what turned out to be final) five technologies from OSF were DME, the Distributed Management Environment and ANDF, the Architecturally Neutral Distribution Format. Technologies which were produced primarily by OSF included ODE, the Open Development Environment - a flexible development, build and source control environment; TET, the Test Environment Toolkit - an open framework for building and executing automated test cases;[7] and the operating system OSF/1 MK from the OSF Research Institute based on the Mach3.0 microkernel. ODE and TET were made available as open source. TET was produced as a result of collaboration between OSF, UNIX International and the X/Open Consortium. All the OSF technologies had corresponding manuals and supporting publications produced almost exclusively by the staff at OSF and published by Prentice-Hall.


By 1993, it had become clear that the greater threat to UNIX system vendors was not each other as much as the increasing presence of Microsoft in enterprise computing. In May, the Common Open Software Environment (COSE) initiative was announced by the major players in the UNIX world from both the UI and OSF camps: Hewlett-Packard, IBM, Sun, Unix System Laboratories, and the Santa Cruz Operation. As part of this agreement, Sun and AT&T became OSF sponsor members, OSF submitted Motif to the X/Open Consortium for certification and branding and Novell passed control and licensing of the UNIX trademark to the X/Open Consortium.

In March 1994, OSF announced its new organizational model as well as introducing the COSE technology model as its Pre-Structured Technology (PST) process which marked the end of OSF as a significant software development company.[8] It also assumed responsibility for future work on the COSE initiative's Common Desktop Environment (CDE). In September 1995, the merger of OSF/Motif and CDE into a single project, CDE/Motif, was announced.[9]

In February 1996 OSF merged with X/Open to become The Open Group.

Despite the similarity in name and the fact that both groups were based in Cambridge, Massachusetts, there was never any connection between OSF and the Free Software Foundation, neither is it associated with the technology non-profit Open Software Foundation based in Washington, DC[10] or Open Systems, Inc.[11]


  1. ^ "New Foundation to Advance Software Standards, Develop and Provide Open Software Environment" (Press release). Open Software Foundation. May 17, 1988. Retrieved 2007-07-31. 
  2. ^ "First Circuit Court of Appeals Opinion 97-1807.01A". First Circuit Court of Appeals. September 4, 1998. Retrieved 2009-07-19. 
  3. ^ Martin Marshall (June 20, 1988). "Apollo VP Gives Inside Look at OSF Formation". InfoWorld. p. 33. Retrieved 2011-04-13. 
  4. ^ Karen Southwick (1999). High Noon: The Inside Story of Scott McNealy and the Rise of Sun Microsystems. John Wiley & Sons. p. 76. ISBN 978-0-471-29713-0. 
  5. ^ "DIGITAL DELIVERS ON THE OPEN ADVANTAGE PROMISE OF OSF/1 AND DCE" (Press release). Digital Equipment Corporation. January 22, 1992. Retrieved 2007-07-18. 
  6. ^ Smeloff, Jane (17 January 1994). "OSF Flash - Motif an IEEE Standard". Open Software Foundation. Retrieved 2 September 2013. 
  7. ^ "TET History". The OpenGroup. July 12, 1996. Retrieved 2009-07-18. 
  8. ^ "LEADING VENDORS UNIFY TO ACCELERATE OPEN SYSTEMS" (Press release). AT&T Global Information Systems, Digital Equipment Corporation, Hewlett-Packard Company, IBM Corporation, SunSoft Incorporated, et al. March 23, 1994. Retrieved 2007-07-18. 
  9. ^ "OSF Announces Formal Launch of CDE/Motif Project" (Press release). Open Software Foundation. September 7, 1995. Retrieved 2007-07-18. 
  10. ^ "Open Software Foundation". Open Systems, Inc. 2008. 
  11. ^ "Open Systems, Inc.". 2008.