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{{Infobox Company
| name = Citrix Systems Inc
| logo = [[Image:Citrix.svg|center|200px]]
| type = [[Public company|Public]] {{nasdaq|CTXS}}
| genre =
| foundation = 1989
| founder =
| location_city =
| location_country =
| location = [[Fort Lauderdale, Florida]], {{USA}}
| locations =
| area_served =
| key_people = Thomas Bogan <small> [[Chairman (official)|Chairman of the Board]] </small> <br> [[Mark B. Templeton|Mark Templeton]], <small> [[President]] & [[Chief executive officer|CEO]] </small> <br> David Henshall <small> [[Chief financial officer|CFO]] & [[Vice president|Senior Vice President]] </small>
| industry = [[Software]]
| products = Application Delivery Industry, Virtualization Software
| services =
| revenue = {{profit}} 1.39 Billion [[U.S. Dollar|USD]] (2007)<ref name="google">{{cite web |url=http://finance.google.com/finance?q=NASDAQ%3ACTXS |title=CTXS - Citrix Systems, Inc. - Google Finance<!-- Bot generated title --> |accessdate=2008-04-21 |format= |work= }}</ref>
| operating_income = {{profit}} 202.41 Million [[U.S. Dollar|USD]] (2007)<ref name="google"/>
| net_income = {{profit}} 214.48 Million [[U.S. Dollar|USD]] (2007)<ref name="google"/>
| assets = 2.53 Billion [[U.S. Dollar|USD]] (2007)
| equity = 1.84 Billion [[U.S. Dollar|USD]] (2007)
| owner =
| num_employees = 4,620 (Dec 2007)<ref name="google"/>
| parent =
| divisions =
| subsid =
| homepage = [http://www.citrix.com www.citrix.com]
| footnotes =
| intl =
}}
[[Image:Citrixheadquarters.jpg|thumb|right|270px|Citrix Systems headquarters in Fort Lauderdale]]
'''Citrix Systems''' ({{nasdaq|CTXS}}) is an [[United States|American]] [[multinational corporation]] with a focus on [[software]] and services specialized in [[virtualization]] and remote access software for delivering applications over a network and the [[Internet]].

Citrix is based in [[Fort Lauderdale, Florida|Fort Lauderdale]], [[Florida]], in the [[Miami metropolitan area]], and has [[subsidiary]] operations in [[California]] and [[Massachusetts]], and additional development centers in [[Australia]], [[India]] and the [[United Kingdom]].

== History ==
Citrix was founded in 1989 by ex-[[IBM]] developer [[Ed Iacobucci]]. Citrix was originally named Citrus but changed its name after an existing company claimed trademark rights. The Citrix name is a [[portmanteau]] of [[Citrus]] and [[UNIX]]. Many of the original founding members had participated in the IBM [[OS/2]] project. Iacobucci's vision was to build OS/2 with multi-user support. IBM was not interested in this idea so Iacobucci left to form his own company.

The company's first product was Citrix MULTIUSER, which was based on OS/2. Citrix licensed the OS/2 source code from [[Microsoft]], bypassing IBM. Citrix hoped to capture part of the UNIX market by making it easy to deploy text-based OS/2 applications. The product failed to find a market. In 1993, Citrix introduced WinView, which provided remote access to DOS and Windows 3.1 applications on a multi-user platform. It became Citrix's first successful product, and saved the company from bankruptcy.

In 1991, [[Roger Roberts]] was appointed the CEO of Citrix. From 1991 to 1995, the company did not turn a profit. Roberts chose to invest his life savings in the company to keep it solvent and assumed liability for all corporate debts. With less than 30 days of operating funds left, Microsoft was convinced to invest $1 million into Citrix. Had Microsoft not, the company would have closed.

== Microsoft relationship ==
Citrix obtained a source code license to Microsoft's [[Windows NT]] 3.51. In 1995, they shipped a custom version of Windows NT with remote access technologies, known as [[Citrix WinFrame|WinFrame]]. This product filled a niche, and enabled the company to become profitable.

During the development of Windows NT 4, however, Microsoft decided that the multiple customized versions of NT were becoming a support nightmare <ref>{{cite web|author= Sysinternals |title= Inside Windows NT Disk Defragmenting |publisher= Microsoft |year= 2007 |url= http://technet.microsoft.com/en-us/sysinternals/bb897427.aspx }}</ref>. After negotiations, Microsoft agreed to license Citrix technology for Windows NT Server 4.0, resulting in [[Terminal Services|Windows Terminal Server Edition]]. Citrix agreed not to ship a competing product but retained the right to sell an extension to Microsoft's products, initially under the name MetaFrame. This relationship continued into the [[Windows 2000 Server]] and [[Windows Server 2003]] eras, with Citrix offering Metaframe XP and Presentation Server. On February 11, 2008, Citrix changed the name of its Presentation Server product line to [[Citrix XenApp|XenApp]].

The core technology that Microsoft did not buy was the [[Independent Computing Architecture|ICA]] protocol. Microsoft bought another company to provide the backbone of the [[Remote Desktop Protocol|RDP]] (T.share) protocol that they currently use.

==Acquisitions==
*In March 2001, Citrix acquired Sequoia Software Corporation,<ref>{{cite web | author=Darryl K. Taft | title=Citrix Agrees To Buy Sequoia For $185 Million | publisher=United Business Media LLC, ChannelWeb (CRN) | year=Mar 21, 2001 | url=http://www.crn.com/it-channel/18821735 }}</ref> a [[Columbia, Maryland|Columbia]], MD, maker of XML-based portal software.
*In December 2003, Citrix bought Expertcity of [[Santa Barbara, California|Santa Barbara, CA]], developer of the Web-hosted portable desktop product [[GoToMyPC]] and online meeting platform [[GoToMeeting]].<ref>{{cite web | author=Stacy Cowley | title=Citrix buys GoToMyPC maker for $225 million | publisher=NetworkWorld, IDG News Service | date= [[Dec 18]], [[2003]] | url=http://www.networkworld.com/net.worker/news/2003/1218citgo.html }}</ref> Expertcity became Citrix's [[Citrix Online]] division.
*In November 2004, Citrix bought a [[San Jose, California|San Jose]], CA, company, [[Net6]].<ref>{{cite web | author=Paul Roberts | title=Citrix buying VPN company [[Net6]] for $50 million | publisher=NetworkWorld, IDG News Service | year=Nov 23, 2004 | url=http://www.networkworld.com/news/2004/1123updat-cit.html }}</ref>
*In June 2005, Citrix acquired Netscaler,<ref>{{cite web | author=Stacy Cowley | title=Gaining speed, Citrix buys NetScaler | publisher=NetworkWorld, IDG News Service | year=Jun 6, 2005 | url=http://www.networkworld.com/news/2005/060605-citrix-netscaler.html }}</ref> a Santa Clara, CA, manufacturer of network appliances.
*In November 2005 Citrix bought Teros,<ref>{{cite web | author=Paula Rooney | title=Teros Buy Gives Citrix VARs More Firepower | publisher=CRN | year=Nov 18, 2005 | url=http://www.crn.com/security/174400073 }}</ref> a Sunnyvale, CA, producer of web application firewalls.
*In May 2006, Citrix acquired Reflectent.
*On [[August 7]] [[2006]] Citrix bought [[San Mateo, California|San Mateo]], CA, based Orbital Data.
*In December 2006, Citrix announced an agreement to buy [[Ardence]] Inc.
*In September, 2007, Citrix acquired QuickTree, a privately-held XML and Web Services Firewall company.
*In October 2007, Citrix acquired [[XenSource]], developer of the virtualization product XenServer that bases on the [[opensource]] [[Xen]] [[Hypervisor]] .<ref>{{cite web | author=Citrix | title= Citrix To Acquire Virtualization Leader XenSource | year=Aug 15, 2007 | url=http://www.citrix.com/lang/English/lp/lp_680809.asp?ntref=hp_promo1_US }}</ref>

== Products ==
=== Current products ===
{{Advert|section|a product brochure or advertisement (Titles In Capitals)|date=September 2008}}

Citrix has two major product families:
* Citrix Delivery Center (application delivery infrastructure for enterprises)
* Citrix Online Services (online application delivery services for SMB)

CITRIX DELIVERY CENTER
* [[Citrix XenApp]] (Application [[Virtualization]] - formerly Citrix Presentation Server)
* Citrix XenDesktop ([[Desktop Virtualization]], [[VDI]])
* Citrix XenServer (Server [[Virtualization]])
* Citrix NetScaler (Application Optimization, Application Delivery Networking, Load Balancing, Web Application Acceleration)
* Citrix Workflow Studio (Orchestrates communications between products, IT process automation)
* Citrix Access Gateway (Application Access Security, [[SSL VPN]])
* Citrix Password Manager (Application Security, Single Sign-on)
* Citrix EdgeSight (Application Performance Monitoring)
* Citrix Application Firewall (Web Application Security, Web Application Firewall)
* Citrix WANScaler (Optimizes Application Traffic to Branch Office Users, [[WAN optimization]])
* Citrix Provisioning Server (Delivers Application Workloads to Physical and Virtual Servers)
* Citrix EasyCall (Integrates voice and click-to-call into any application)

CITRIX ONLINE SERVICES
* Citrix [[GoToMeeting]]
* Citrix GoToWebinar
* Citrix GoToAssist
* Citrix [[GoToMyPC]]

=== Discontinued products ===
* [[Citrix WinFrame|WinFrame]]
* MultiWin
* Citrix MULTIUSER (Based on OS/2 1.x)
* Citrix WinView (Based on OS/2 2.x)
* Citrix VideoFrame
* Citrix NFuse Elite 1.0
* Citrix Extranet
* Citrix XPS Portal 3.5.1
* Citrix MetaFrame Secure Access Manager
* Citrix MetaFrame XP
* Citrix Advanced Access Control

== References ==
{{reflist}}

== External links ==
* [http://www.citrix.com.tr/ Official Website]
*[http://blogs.citrix.com Citrix Blogs]

{{Companies portal}}
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[[Category:Computer companies of the United States]]
[[Category:Software companies of the United States]]
[[Category:Companies listed on NASDAQ]]
[[Category:Companies based in Fort Lauderdale, Florida]]
[[Category:Companies established in 1989]]
[[Category:Remote desktop]]
[[Category:Cloud computing vendors]]

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Revision as of 14:40, 10 October 2008

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