Addamax

Last updated

Addamax
IndustrySoftware
Founded1986
FounderPeter A. Alsberg
Headquarters Champaign, Illinois

Addamax was an American software company that developed Trusted operating systems based on UNIX System V and Berkeley Software Distribution (BSD) variants of UNIX. [1] The company was founded on January 13, 1986 in Champaign, Illinois by Peter A. Alsberg [2] and had a sales and development office in Gaithersburg, Maryland.

Addamax filed a high-profile antitrust lawsuit in 1991 against the Open Software Foundation (OSF), alleging that OSF created a cartel that controlled the UNIX operating system and exerted monopsony price fixing and led to the company going out of business. [3] [4]

The company was dissolved on June 1, 1999. [2]

References

  1. ↑ Wong, R. M. (1990). "A comparison of secure UNIX operating systems". [1990] Proceedings of the Sixth Annual Computer Security Applications Conference. Institute of Electrical and Electronics Engineers. pp. 322–333. doi:10.1109/CSAC.1990.143794. ISBN   0-8186-2105-2. S2CID   21640545.
  2. 1 2 "Business Entity Search: Addamax". Illinois Secretary of State . Retrieved August 20, 2025.
  3. ↑ "Addamax Corp. v Open Software Foundation, Digital Equipment Corporation and Hewlett-Packard Company". GTW. Archived from the original on January 6, 2009. Retrieved March 11, 2012.
  4. ↑ "U.S. 1st Circuit Court of Appeals: ADDAMAX CORPORATION v OPEN SOFTWARE". FindLaw. September 4, 1998. Retrieved March 11, 2012.
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