Citrix Systems

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Not to be confused with Cyrix.
Citrix Systems, Inc.
S&P 500 Component
Industry Software
Founded 1989
Founder Ed Iacobucci
Headquarters Fort Lauderdale, Florida, United States
Area served
Key people
Thomas F. Bogan (Chairman)
Mark B. Templeton (CEO)
David Henshall (CFO)[1]
Products Application Delivery Industry, Virtualization software (DaaS), SaaS, cloud, and networking
Revenue Increase US$ =3,142.856  million (2014)[2]
Decrease US$ 302.311 million (2014)[2]
Decrease US$ 251.723 million (2014)[2]
Total assets Increase US$ 5,512.007 million (2014)[2]
Total equity Decrease US$ 2,173,645 million (2014)[2]
Number of employees
10081 (Dec 2014) minus 700 [3]

Citrix Systems, Inc. is an American multinational software company founded in 1989 that provides server, application and desktop virtualization, networking, software-as-a-service (SaaS), and cloud computing technologies, including Xen open-source products.

Citrix currently services around 330,000 organizations worldwide[4] and is based in Fort Lauderdale, Florida, in the Miami metropolitan area, with subsidiary operations in California and Massachusetts, and additional development centers in Canada, Germany, Denmark, the United Kingdom, India and Australia.

Following the acquisition of XenSource, Inc. in October 2007, Citrix started spearheading the Xen open-source hypervisor project.[5]


Early history[edit]

Citrix was founded in Richardson, Texas in 1989 by former IBM developer Ed Iacobucci with $3 million in funding.[6] Following its initial setup and development, Iacobucci moved the company to his former home of Coral Springs, Florida.[6] The company's first employees were five other engineers from IBM that Iacobucci convinced to join his team. Iacobucci served as chairman of the company and Roger Roberts became the CEO of Citrix in 1990.[6][7][8] Citrix was originally named Citrus, but changed its name after an existing company claimed trademark rights.[9] The Citrix name is a portmanteau of Citrus and UNIX.[10]

The company's first product was Citrix Multiuser, an extension of OS/2 developed over two years. Citrix licensed the OS/2 source code from Microsoft,[7][11][6] and developed its own Independent Computing Architecture (ICA) protocol for Citrix Multiuser.[12] Multiuser allowed multiple users working on separate computers remote access to software on a server, even from computers not built to run OS/2.[11][13] Three days before the product launched in 1991, Microsoft announced they would be switching from OS/2 to Windows. The switch made Multiuser nearly unusable without significant changes to make it compatible with Windows or DOS. The company discussed closing in 1991, but investments from Intel, Microsoft and Kleiner Perkins Caufield & Byers among others, allowed the company to work on a new version of Multiuser.[7][6]

Multi-Win version 2.0 was released in 1992. It was compatible with DOS applications and allowed up to five users.[14] In 1993, Citrix released a new remote applications server, WinView, which had the ability to run DOS and Windows applications.[15] By 1994, the company's yearly revenue equaled US$10 million.[6]

The company launched WinFrame, a multi-user operating system based on Microsoft’s Windows NT, in 1995.[6] The new product allowed up to 15 users and was the first thin client for Windows.[16][17]

Rise in popularity[edit]

Citrix had its initial public offering in December 1995.[18] The company's share price doubled from $15 to $30.[6] During the mid 1990s, Citrix became the leader of its growing industry with very few competitors, and the company's revenues doubled year over year between 1995 and 1999.[7]

In 1997, during negotiations to extend licenses of Windows NT 4.0 source code to Citrix, Microsoft stated it would develop its own competing software to WinFrame. Citrix stocks dropped 62 percent after the announcement.[13] Following weeks of discussions, Iacobucci was able to persuade Microsoft to agree to license Citrix technology for Windows NT Server 4.0, which resulted in Windows Terminal Server Edition in 1998.[7][8][19] This agreement allowed Citrix to keep its position in the marketplace and be NT 4.0 compatible.[13] Citrix also earned $75 million through the agreement, along with a royalty arrangement that was valued at approximately $100 million.[18][13]

Citrix released MetaFrame 1.0 in conjunction with Terminal Server Edition. Due to weaknesses in Microsoft's Remote Desktop Protocol (RDP), Terminal Server Edition worked best using the ICA protocol developed by Citrix and found in MetaFrame. This meant that Citrix technology was purchased and installed on most machines running Terminal Server Edition.[19][8]

In 1997, the company opened a new headquarters in Fort Lauderdale, Florida. It also opened offices in Sydney, London and Paris that same year.[18] In 1998, Mark Templeton became the CEO of Citrix after serving as vice president of marketing.[18] Also in 1998, it licensed its ICA protocol to IBM and Key Tronics.[6] Citrix licensed its ICA protocol to Motorola for use in digital wireless handsets in 1999.[7]

During 1999, the thin-client model Citrix used became a software trend and the company's customers increased to 15 million.[6] Major clients included Sears, AT&T, and Chevron.[13][8] A sudden drop in stocks in 2000 led to Iacobucci leaving the company and CEO Mark Templeton being demoted to president and senior executive officer. Templeton was later reinstated in 2001.[18][20]


In 2001 Citrix acquired the Sequoia Software Corp. for $185 million.[6] That same year it released MetaFrame XP, a new platform using MetaFrame technology.[21] This was later rebranded by Citrix as Presentation Server, in 2005.[22]

Citrix acquired ExpertCity, a provider of remote desktop products, in December 2003 for $225 million in cash and stock. The acquisition was the largest for the company up to that date.[23] Through the acquisition, Citrix gained ExpertCity's existing products GoToMyPC and GoToAssist, and ExpertCity became the Citrix Online division of the company.[23][24] In 2004, the company introduced Citrix GoToMeeting.[18]

Between 2005 and 2012, the company acquired over a dozen companies that allowed them to expand in new markets. Citrix acquired acceleration hardware maker NetScaler in 2005, which allowed the company to offer optimized application delivery.[25] The company entered the server and desktop virtualization market with the purchase of XenSource in August 2007.[26] Citrix expanded cloud and Infrastructure as a Service (IaaS) offerings in August 2010 with the acquisition of VMLogix.[27] In February 2011, Citrix entered the European Software as a Service (SaaS) market with the acquisition of Netviewer.[28][29]

The company became a leader in IaaS after the acquisition of, provider of cloud infrastructure for companies, in July 2011.[30] Citrix began offering VDI-in-a-box to small and medium businesses with the acquisition of Kaviza in May 2011.[31] The company acquired technology for cloud-based file sharing and storage through its purchase of ShareFile in October 2011.[32]

In May 2012, Citrix acquired Virtual Computer, maker of intelligent desktop virtualization. The technology is used in the company's XenClient Enterprise edition.[33] Citrix entered the mobile video and telecom markets in June 2012 when the company acquired ByteMobile.[34] Also in 2012, the company acquired Zenprise. Zenprise's Mobile application management (MAM) technology was released as XenMobile in February 2013.[35]

In 2007, the company opened a headquarters in Silicon Valley.[18] In 2008, the company changed the name of its Presentation Server product line to XenApp.[36] Also in 2008, Citrix announced an expanded alliance with Microsoft on desktop virtualization solutions.[18] In August 2010, Citrix announced a partnership with Google to bring the company's products to Chrome OS devices.[37][38]

Citrix acquired Framehawk in January 2014 in order to use the company's technology to improve the delivery of virtual desktops and applications over wireless networks, including cellular, where speed and quality may be poor.[39]

Corporate philanthropy[edit]

Citrix invests in an ongoing Corporate Giving Program focusing on education, economic development and technology advancement.[40]

In association with US city Fort Lauderdale, Florida, and Sister Cities International, Citrix launched the prototype Cyber Sister Cities (CSC) program with Agogo in Ghana.[41]


When What Price
September 1997 DataPac[42] $5 million
January 1998 The NTrigue product from Insignia[43] ?
June 1998 APM[44] ?
July 1998 VDOnet $8 million[44]
July 1999 ViewSoft[44][45] $32 million
February 2000 Innovex Group $48.7 million[46]
March 2001 Sequoia Software Corporation,[47] a Columbia, MD, maker of XML-based portal software. $185 million
December 2003 Expertcity of Santa Barbara, CA, developer of the Web-hosted portable desktop product GoToMyPC and online meeting platform GoToMeeting.[48] Expertcity became Citrix's Citrix Online division. $225 million
November 2004 Net6 of San Jose, CA.[49] $50 million
June 2005 Netscaler,[50] a Santa Clara, CA, manufacturer of network appliances. About $300 million in cash and stock.
November 2005 Teros,[51] a Sunnyvale, CA, producer of web application firewalls. ?
May 2006 Reflectent.[52] The product Spectacle was then relabeled as Citrix EdgeSight. ?
August 7, 2006 Orbital Data of San Mateo, California.[53] ?
December 2006 Ardence Inc., resulting in the product Citrix Provisioning Services[54](PVS[55]) ?
February 2007 Aurema, developer of a CPU and memory management product,[56] resulting in the addition of a CPU management feature to Citrix's main product XenApp. ?
September 2007 QuickTree, a privately held XML and Web Services Firewall company. ?
October 2007 XenSource, developer of the virtualization product XenServer that is based on the open source Xen Hypervisor.[57][58] ?
May 2008 The sepagoProfile product from sepago.[59] ?
November 2008 Vapps[60] $26.6 million
August 2010 VMLogix Inc., a virtualization automation and management company.[61] ?
February 2011 Netviewer[62] ?
February 2011 Ems-Cortex. Cortex product now sold as CloudPortal Services Manager ?
June 2011 Kaviza, now resulting in a product called VDI-in-a-box. ?
July 2011[63] ?
August 2011 RingCube ?
October 2011 ShareFile[64] ?
October 2011 App-DNA[64] ?
April 2012 Podio [65][66] ?
May 2012 Virtual Computer ?
June 2012 Bytemobile[67] $435 million
September 2012 Beetil ?
December 2012 Zenprise now sold as XenMobile[68] $327 million
September 2013 Byte Squared ?
January 2014 FrameHawk ?
May 2014 Scalextreme ?
August 2014 Virtual, iOS and Android virtualization.[69] ?
October 2014 RightSignature, a company that provides online document signing tools.[70] ?
November 2014 Solid Instance ?
December 2014 Octoblu, a machine to machine networking platform ?
January 2015 Sanbolic, a storage virtualization technologies company ?


On July 9, 2002 Citrix announced a 10% job cut.[71] At the time the company employed about 1,900 workers. After the announcement the stock hit a five-year low.

On January 29, 2009 Citrix announced that 460 employee positions would be cut, comprising 10% of its workforce. [72]

On January 29, 2015 Citrix announced that 700 full-time and 200 contractor positions would be eliminated.[73] This constituted about 10% of its workforce. The cuts were expected to save between $90 and $100 million a year. Two hundred of the layoffs occurred in Fort Lauderdale, Florida where the company is headquartered.[74]


Current products[edit]

  • Citrix XenApp (formerly Citrix Presentation Server) provides application virtualization and application delivery.
  • Citrix XenDesktop[75] (Desktop Virtualization, VDI)
  • Citrix VDI-in-a-Box[76] (Desktop Virtualization, VDI)
  • Citrix XenServer provides server platform virtualization.
  • XenApp Fundamentals
  • Workflow Studio (Orchestrates communications between products, IT process automation)
  • Advanced Access Control is an add-on for Citrix Access Gateway that provides additional control of permissions for users.
  • Password Manager (Application Security, Single Sign-on)
  • EdgeSight (End User Experience Monitoring)
  • Command Center (Citrix products Monitoring tool)
  • Provisioning Server delivers Desktop workloads to physical and virtual computers.
  • EasyCall integrates voice and click-to-call into any application.
  • GoToMeeting
  • 'GoToWebinar'
  • GoToAssist
  • GoToMyPC
  • NetScaler App Delivery Controller – application availability, application and database server offload, acceleration and advanced attack protection
  • CloudStack – Cloud infrastructure for enterprises and service providers
  • CloudGateway – aggregate and control enterprise applications and services
  • CloudBridge (formerly "WANScaler", "Branch Repeater", "NetScaler Branch Repeater") optimizes application delivery to branch office users (see WAN optimization).(Seamlessly connect your data centre to external clouds)
  • CloudPortal – Automated operations and business support for cloud providers
  • Podio – Collaborative platform for all types of business
  • ShareFile – Professional File sharing for desktop and mobile devices
  • XenClient – Virtual desktops on the go even when disconnected
  • Citrix Receiver – Universal software client for accessing desktop apps and IT services
  • ByteMobile
  • OpenVoice
  • CloudPlatform- Powered by Apache CloudStack(Hypervisors-VMware, Oracle VM, KVM, XenServer and Xen Cloud Platform)

Further reading: "Product Matrix". Citrix Systems, Inc. 

Discontinued products[edit]

  • 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 MetaFrame for UNIX
  • Application Firewall (Web Application Security, merged into NetScaler)
  • WANScaler merged into CloudBridge
  • Branch Repeater merged into CloudBridge
  • NetScaler App Firewall – Web Application Firewall
  • NetScaler Branch Repeater merged into CloudBridge
  • NetScaler Cloud Connector – End-to-End Acceleration, Encryption and Management of Data warehouse applications (renamed CloudBridge)
  • NetScaler Gateway (Formerly "Citrix Access Gateway") provides secure remote access to virtual desktops and applications.
  • NetScaler Gateway – SSL VPN / secure remote access (CloudGateway)

Further reading: "Legacy Product Matrix". Citrix Systems, Inc. 


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  75. ^ [3] "Products and solutions"
  76. ^ [4] "VDI-in-a-box"

Further reading[edit]

Similar Companies[edit]

External links[edit]