By the 1990s, Citrix came to prominence as an industry leader in thin client technology, enabling purpose-built devices to access remote servers and resources. It began by developing remote access products for Microsoft operating systems, licensing source code from Microsoft, and has been in partnership with the company throughout its history. The company was founded in Richardson, Texas in 1989 by Ed Iacobucci, who served as chairman until his departure in 2000. Citrix products are claimed to be in use by over 400,000 clients worldwide, including 99% of the Fortune 100, and 98% of the Fortune 500. is an American multinational cloud computing and virtualization technology company that provides server, application and desktop virtualization, networking, software as a service (SaaS), and cloud computing technologies.