Article · Wikipedia archive · Last revised Aug 1, 2026

Technical Systems Consultants

Technical Systems Consultants (TSC) was a United States software company. Headquartered first in West Lafayette, Indiana and later (1980) moved to Chapel Hill, North Carolina, it was the foremost supplier of software for SWTPC compatible hardware, as well as many other early makes of personal computers. Their software included operating systems and various languages.

Last revised
Aug 1, 2026
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≈ 1 min
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168 w
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Source
Wikipedia ↗
Technical Systems Consultants (TSC)
IndustryComputer software
FoundedWest Lafayette, Indiana, United States
FounderDon Kinzer, Dave Shirk
Headquarters
Chapel Hill, North Carolina
,
United States
ProductsFLEX, UniFLEX

Technical Systems Consultants (TSC) was a United States software company.12 Headquartered first in West Lafayette, Indiana (it was started by Don Kinzer and Dave Shirk, EE graduate students at Purdue University) and later (1980) moved to Chapel Hill, North Carolina, it was the foremost supplier of software for SWTPC compatible hardware, as well as many other early makes of personal computers. Their software included operating systems (Flex, mini-FLEX, FLEX09, and UniFlex) and various languages (several BASIC variants, FORTRAN, Pascal, C and assemblers).3

References

References

  1. Hawkens, William (February 1978). "Goodbye, typewriter; hello, word processor". Popular Science. Vol. 220, no. 2. New York: Times Mirror Magazines. pp. 79–81, 126. ISSN 0161-7370.
  2. Technical Systems Consultants (February 7, 1979). "TSC software advertisement". Intelligent Machines Journal. 1 (2). InfoWorld Media Group: 12. ISSN 0199-6649.
  3. Puckett, Dale (April 13, 1981). "68XX's Family Is Extended". InfoWorld. Vol. 3, no. 7. InfoWorld Media Group. pp. 46–48. ISSN 0199-6649.