Founded in 1995, Link-Systems International is a privately held company that offers information technology and content development services for more than 10 years. Its core services include content development, consulting, and online tutoring through NetTutor. Link-Systems International s clients include include K-12 and higher education publishers, virtual high schools, higher education institutions and technology companies. The company offers WorldWideTestbank, WorldWideWhiteboard and WorldWideGradebook softwares. Link-Systems International additionally offers software development, quality assurance and client support services. The company offers online assessment and placement, content authoring, recovery and management, tutoring and testing services. Link-Systems International is located in Tampa.