Article · Wikipedia archive · Last revised Jun 16, 2026

Open Systems Accounting Software

Open Systems Accounting Software (OSAS) is a business accounting software package for small- to medium-sized businesses using the Microsoft Windows, Linux, and Mac OS X operating systems. It has been developed and sold since 1976 by Open Systems, Inc. of Shakopee, MN.

Last revised
Jun 16, 2026
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Open Systems Accounting Software
DevelopersOpen Systems, Inc.
Stable release
7.6
November 1, 2010 (2010-11-01)
Operating systemWindows XP or later, Linux, Mac OS X
TypeAccounting software
Websitewww.osas.com/osas

Open Systems Accounting Software (OSAS) is a business accounting software package for small- to medium-sized businesses using the Microsoft Windows, Linux, and Mac OS X operating systems. It has been developed and sold since 1976 by Open Systems, Inc. of Shakopee, MN.1

OSAS is currently programmed in the Java-based BBj language developed by BASIS International.2 The Java implementation allows installation of OSAS on a variety of platforms.3

See also

See also

References

References

  1. Noricson (June 18, 2023). "Accounting Software To Manage Multiple Companies". Accounting Software.
  2. "Open Systems Releases OSAS 7.0". (December 28, 2005). WebCPA Daily.
  3. Scott, Robert W. (August 31, 2007). "Opening for Open Source?". Accounting Technology.
External links