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NCSA MOSAIC, or simply MOSAIC, is a discontinued early web browser . It has been credited with popularizing the World Wide Web
World Wide Web
. It was also a client for earlier protocols such as File
File
Transfer Protocol , Network News Transfer Protocol , and Gopher . The browser was named for its support of multiple internet protocols. Its intuitive interface, reliability, Windows
Windows
port and simple installation all contributed to its popularity within the web, as well as on Microsoft operating systems. Mosaic was also the first browser to display images inline with text instead of displaying images in a separate window. While often described as the first graphical web browser, Mosaic was preceded by WorldWideWeb , the lesser-known Erwise and ViolaWWW .

Mosaic was developed at the National Center for Supercomputing Applications (NCSA) at the University of Illinois Urbana-Champaign beginning in late 1992. NCSA released the browser in 1993, and officially discontinued development and support on January 7, 1997. However, it can still be downloaded from NCSA.

Netscape Navigator was later developed by Netscape
Netscape
, which employed many of the original Mosaic authors; however, it intentionally shared no code with Mosaic. Netscape
Netscape
Navigator's code descendant is Mozilla Firefox
Firefox
. Starting in 1995 Mosaic lost a lot of share to Netscape Navigator, and by 1997 only had a tiny fraction of users left, by which time the project was discontinued. Microsoft
Microsoft
licensed Mosaic to create Internet Explorer in 1995.

CONTENTS

* 1 Background * 2 Licensing * 3 Immediate effect * 4 Importance of Mosaic * 5 End of Mosaic * 6 Features * 7 See also * 8 References * 9 Further reading * 10 External links

BACKGROUND

Mosaic 1.0 running under System 7.1 , displaying the Mosaic Communications Corporation (later Netscape
Netscape
) website.

David Thompson tested ViolaWWW and showed the application to Marc Andreessen . Andreessen and Eric Bina originally designed and programmed NCSA Mosaic for Unix's X Window System
X Window System
called xmosaic. Then, in December 1991, the Gore Bill created and introduced by then Senator and future Vice President Al Gore was passed, which provided the funding for the Mosaic project. Development began in December 1992. Marc Andreessen announced the project on Jan 23, 1993. The first alpha release (numbered 0.1a) was published in June 1993, and the first beta release (numbered 0.6b) followed quickly thereafter in September 1993. Version 1.0 for Windows
Windows
was released on November 11, 1993. NCSA Mosaic for Unix
Unix
(X-Windows) version 2.0 was released on November 10, 1993. A port of Mosaic to the Commodore Amiga was available by October 1993. Ports to Windows
Windows
and Macintosh
Macintosh
had already been released in September. From 1994 to 1997, the National Science Foundation supported the further development of Mosaic. NCSA Mosaic 3.0

Marc Andreessen, the leader of the team that developed Mosaic, left NCSA and, with James H. Clark
James H. Clark
, one of the founders of Silicon Graphics, Inc. (SGI), and four other former students and staff of the University of Illinois , started Mosaic Communications Corporation. Mosaic Communications eventually became Netscape
Netscape
Communications Corporation , producing Netscape Navigator .

1994 saw the first commercial product to incorporate Mosaic: SCO Global Access, a modified version of its Open Desktop version of Unix that served as an Internet
Internet
gateway.

Spyglass, Inc. licensed the technology and trademarks from NCSA for producing their own web browser but never used any of the NCSA Mosaic source code. Microsoft
Microsoft
licensed Spyglass Mosaic in 1995 for US$ 2 million, modified it, and renamed it Internet Explorer . After a later auditing dispute, Microsoft
Microsoft
paid Spyglass $8 million. The 1995 user guide The HTML
HTML
Sourcebook: The Complete Guide to HTML, specifically states, in a section called Coming Attractions, that Internet Explorer "will be based on the Mosaic program". :331 Versions of Internet Explorer before version 7 stated "Based on NCSA Mosaic" in the About box. Internet Explorer 7 was audited by Microsoft
Microsoft
to ensure that it contained no Mosaic code, and thus no longer credits Spyglass or Mosaic.

LICENSING

The licensing terms for NCSA Mosaic were generous for a proprietary software program. In general, non-commercial use was free of charge for all versions (with certain limitations). Additionally, the X Window System/ Unix
Unix
version publicly provided source code (source code for the other versions was available after agreements were signed). Despite persistent rumors to the contrary, however, Mosaic was never released as open source software during its brief reign as a major browser; there were always constraints on permissible uses without payment.

As of 1993, license holders included these:

* Amdahl Corporation * Fujitsu Limited (Product: Infomosaic, a Japanese version of Mosaic. Price: Yen5,000 (approx US$50) * InfoSeek Corporation (Product: No commercial Mosaic. May use Mosaic as part of a commercial database effort) * Quadralay Corporation (Consumer version of Mosaic. Also using Mosaic in its online help and information product, GWHIS. Price: US$249) * Quarterdeck Office Systems Inc. * The Santa Cruz Operation Inc. (Product: Incorporating Mosaic into "SCO Global Access," a communications package for Unix
Unix
machines that works with SCO's Open Server. Runs a graphical e-mail service and accesses newsgroups.) * SPRY Inc. (Products: A communication suite: Air Mail, Air News, Air Mosaic, etc. Also producing Internet
Internet
In a Box with O'Reilly ">:xlii Reid notes that Andreessen's team hoped:

... to rectify many of the shortcomings of the very primitive prototypes then floating around the Internet. Most significantly, their work transformed the appeal of the Web from niche uses in the technical area to mass-market appeal. In particular, these University of Illinois students made two key changes to the Web browser, which hyper-boosted its appeal: they added graphics to what was otherwise boring text-based software, and, most importantly, they ported the software from so-called Unix
Unix
computers that are popular only in technical and academic circles, to the Windows
Windows
operating system, which is used on more than 80 percent of the computers in the world, especially personal and commercial computers. :xxv

Mosaic is not the first web browser for Windows; this is Thomas R. Bruce 's little-known Cello . And the Unix
Unix
version of Mosaic was already famous before the Windows
Windows
and Mac versions were released. Other than displaying images embedded in the text rather than in a separate window, Mosaic's original feature set is not greater than of the browsers on which it was modeled, such as ViolaWWW. But Mosaic was the first browser written and supported by a team of full-time programmers, was reliable and easy enough for novices to install, and the inline graphics reportedly proved immensely appealing. Mosaic is said to have made the Web accessible to the ordinary person for the first time and already had 53% market share in 1995.

Reid also refers to Matthew K. Gray 's website, Internet
Internet
Statistics: Growth and Usage of the Web and the Internet, which indicates a dramatic leap in web use around the time of Mosaic's introduction. :xxv

In addition, David Hudson concurs with Reid, noting that:

Marc Andreessen's realization of Mosaic, based on the work of Berners-Lee and the hypertext theorists before him, is generally recognized as the beginning of the web as it is now known. Mosaic, the first web browser to win over the Net masses, was released in 1993 and made freely accessible to the public. The adjective phenomenal, so often overused in this industry, is genuinely applicable to the... 'explosion' in the growth of the web after Mosaic appeared on the scene. Starting with next to nothing, the rates of the web growth (quoted in the press) hovering around tens of thousands of percent over ridiculously short periods of time were no real surprise. :42

Ultimately, web browsers such as Mosaic became the killer applications of the 1990s. Web browsers were the first to bring a graphical interface to search tools the Internet's burgeoning wealth of distributed information services. A mid-1994 guide lists Mosaic alongside the traditional, text-oriented information search tools of the time, Archie and Veronica , Gopher , and WAIS but Mosaic quickly subsumed and displaced them all. Joseph Hardin, the director of the NCSA group within which Mosaic was developed, said downloads were up to 50,000 a month in mid-1994.

In November 1992, there were twenty-six websites in the world and each one attracted attention. In its release year of 1993, Mosaic had a What's New page, and about one new link was being added per day. This was a time when access to the Internet
Internet
was expanding rapidly outside its previous domain of academia and large industrial research institutions. Yet it was the availability of Mosaic and Mosaic-derived graphical browsers themselves that drove the explosive growth of the Web to over 10,000 sites by Aug 1995 and millions by 1998. Metcalf expressed the pivotal role of Mosaic this way:

In the Web's first generation, Tim Berners-Lee launched the Uniform Resource Locator (URL), Hypertext Transfer Protocol (HTTP), and HTML standards with prototype Unix-based servers and browsers. A few people noticed that the Web might be better than Gopher.

In the second generation, Marc Andreessen and Eric Bina developed NCSA Mosaic at the University of Illinois. Several million then suddenly noticed that the Web might be better than sex. In the third generation, Andreessen and Bina left NCSA to found Netscape... — —Bob Metcalfe

END OF MOSAIC

Mosaic's popularity as a separate browser began to lessen upon the release of Andreessen's Netscape Navigator in 1994. This was noted at the time in The HTML
HTML
Sourcebook: The Complete Guide to HTML: "Netscape Communications has designed an all-new WWW browser Netscape, that has significant enhancements over the original Mosaic program." :332

By 1998 its user base had almost completely evaporated, being replaced by other web browsers. After NCSA stopped work on Mosaic, development of the NCSA Mosaic for the X Window System
X Window System
source code was continued by several independent groups. These independent development efforts include mMosaic (multicast Mosaic) which ceased development in early 2004, and Mosaic-CK and VMS Mosaic.

VMS MOSAIC, a version specifically targeting OpenVMS
OpenVMS
operating system, was one of the longest-lived efforts to maintain Mosaic. Using the VMS support already built-in in original version (Bjorn S. Nilsson ported Mosaic 1.2 to VMS in the summer of 1993), developers incorporated a substantial part of the HTML
HTML
engine from mMosaic, another defunct flavor of the browser. As of 3 September 2003 , VMS Mosaic supported HTML
HTML
4.0, OpenSSL , cookies , and various image formats including GIF , JPEG
JPEG
, PNG , BMP , TGA , TIFF and JPEG
JPEG
2000 image formats. The browser works on VAX , Alpha , and Itanium platforms.

Another long-lived version of Mosaic – MOSAIC-CK, developed by Cameron Kaiser – saw its last release (version 2.7ck9) on July 11, 2010; a maintenance release with minor compatibility fixes (version 2.7ck10) was released on 9 January 2015, followed by another one (2.7ck11) in October 2015. The stated goal of the project is "Lynx with graphics" and runs on Mac OS X, Power MachTen , Linux and other compatible Unix-like OSs .

FEATURES

THIS SECTION NEEDS EXPANSION. You can help by adding to it . (November 2010)

Mosaic is based on the libwww library and thus supported a wide variety of Internet
Internet
protocols included in the library: Archie , FTP , gopher , HTTP , NNTP , telnet , WAIS .

SEE ALSO

* Comparison of web browsers * History of the World Wide Web
World Wide Web
* Kevin Hughes (Internet pioneer) * List of web browsers

REFERENCES

* ^ Stewart, William. "Mosaic -- The First Global Web Browser". Retrieved 22 February 2011. * ^ "xmosaic 1.2 source code" . NCSA. 1994-06-29. Retrieved 2009-06-02. * ^ Douglas Crockford (Sep 10, 2011). Crockford on JavaScript
JavaScript
- Volume 1: The Early Years. YouTube . Event occurs at 1:35:50. * ^ Andreessen, Marc. "Mosaic -- The First Global Web Browser". Retrieved 2006-12-16. * ^ A B C D Berners-Lee, Tim. "What were the first WWW browsers?". World Wide Web
World Wide Web
Consortium . Retrieved 2010-06-15. * ^ Holwerda, Thom (3 Mar 2009). "The World\'s First Graphical Browser: Erwise". OSNews . Retrieved 2009-06-02. * ^ A B C Vetter, Ronald J. (October 1994). "Mosaic and the World-Wide Web" (PDF). North Dakota State University . Archived from the original (PDF) on 24 August 2014. Retrieved 20 November 2010. * ^ "Exhibits - Internet
Internet
History - 1990\'s". Computer History Museum. 2006. Retrieved 2006-12-16. * ^ "Mosaic FTP" . NCSA. Retrieved 30 May 2010. * ^ Clark, Jim (1999). Netscape
Netscape
Time. St. Martin's Press. * ^ A B C Berners-Lee, Tim. "A Brief History of the Web". World Wide Web Consortium . Retrieved 16 August 2010. * ^ Andreessen, Marc; Bina, Eric (1994). "NCSA Mosaic: A Global Hypermedia System". Internet
Internet
Research. Bingley, U.K.: Emerald Group Publishing Limited. 4 (1): 7–17. ISSN 1066-2243 . doi :10.1108/10662249410798803 . * ^ "NCSA X Mosaic 0.5 released". Retrieved 2013-07-06. * ^ "The History of NCSA Mosaic" . NCSA. * ^ "About NCSA Mosaic". NCSA. Archived from the original on September 27, 2013. * ^ "NCSA Mosaic for X 2.0 available". Retrieved 2013-07-06. * ^ https://nsf.gov/discoveries/disc_summ.jsp?cntn_id=100274&org=NSF * ^ Mace, Scott (7 March 1994). "SCO brings Internet
Internet
access to PCs". InfoWorld. p. 47. * ^ Sink, Eric (2003-05-15). "Memoirs From the Browser Wars". Eric Sink's Weblog. Retrieved 2006-12-16. * ^ A B Thurrott, Paul (22 January 1997). " Microsoft
Microsoft
and Spyglass kiss and make up". Retrieved 9 February 2011. * ^ Elstrom, Peter (22 January 1997). "MICROSOFT\'S $8 MILLION GOODBYE TO SPYGLASS". Bloomberg Businessweek . Retrieved 9 February 2011. * ^ A B Graham, Ian S. (1995). The HTML
HTML
Sourcebook: The Complete Guide to HTML
HTML
(First ed.). New York: John Wiley & Sons. ISBN 0-471-11849-4 . * ^ A B Wolfe, Gary (October 1994). "The (Second Phase of the) Revolution Has Begun". Wired Magazine . 2: 10. Retrieved January 7, 2015. * ^ "A Little History of the World Wide Web
World Wide Web
From 1960s to 1995". CERN
CERN
. 2001-05-05. Retrieved 2006-12-16. * ^ A B C Reid, Robert H. (1997). Architects of the Web: 1000 Days That Built the Future of Business. John Wiley and Sons. ISBN 0-471-17187-5 . * ^ Cockburn, Andy; Jones, Steve (6 December 2000). "Which Way Now? Analysing and Easing Inadequacies in WWW Navigation". CiteSeerX 10.1.1.25.8504  . access-date= requires url= (help ) * ^ Hudson, David (1997). Rewired: A Brief and Opinionated Net History. Indianapolis: Macmillan Technical Publishing. ISBN 1-57870-003-5 . * ^ Lucey, Sean (9 May 1994). " Internet
Internet
tools help navigate the busy virtual highway.". MacWeek: 51. * ^ Levitt, Jason (9 May 1994). "A Matter of Attribution: Can't Forget to Give Credit for Mosaic Where Credit is Due". Open Systems Today: 71. * ^ http://info.cern.ch/. Retrieved 2014-06-16. Missing or empty title= (help ) * ^ Web Server Survey Netcraft. News.netcraft.com. Retrieved on 2014-06-16. * ^ "InfoWorld". 17 (34). August 21, 1995. * ^ Roads and Crossroads of Internet
Internet
History Chapter 4: Birth of the Web * ^ dauphin, Gilles (1996). "W3C mMosaic". World Wide Web Consortium. Retrieved 2007-11-02. * ^ Nilsson, Bjorn (1993). "README.VMS" . National Center for Supercomputing Applications. Retrieved 2007-11-02. * ^ NCSA and VMS Mosaic Version Information * ^ "OpenVMS.org - OpenVMS
OpenVMS
Community Portal
Portal
( VMS Mosaic V4.2)". OpenVMS.org. 2007. Retrieved 2007-11-02. * ^ "Mosaic 4.0 freeware_readme.txt". Hewlett-Packard Development Company, L.P. 2006. Retrieved 2007-11-02. * ^ A B "Official Mosaic-CK homepage". * ^ Kahan, José (7 June 2002). "Change History of libwww". World Wide Web Consortium . Retrieved 30 May 2010. * ^ Petrie, Charles; Cailliau, Robert (November 1997). "Interview Robert Cailliau on the WWW Proposal: "How It Really Happened."". Institute of Electrical and Electronics Engineers . Retrieved 18 August 2010. * ^ Kahan, José (5 August 1999). "Why Libwww?". Retrieved 15 June 2010.

FURTHER READING

* Tikka, Juha-Pekka (March 3, 2009). "The Greatest Internet
Internet
Pioneers You Never Heard Of: The Story of Erwise and Four Finns Who Showed the Way to the Web Browser". Xconomy.

EXTERNAL

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