V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DSM
       [TWAIN] Data Source Manager (MS, Windows)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DSM
       Digital Standard MUMPS (MUMPS, DEC)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DSM
       Domain Specific Modeling


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DSM
       Dynamic Spectrum Management


The Free On-line Dictionary of Computing (30 December 2018):

DSM

   1. Data Structure Manager.

   An object-oriented language by J.E. Rumbaugh and M.E. Loomis
   of GE, similar to C++.  It is used in implementation of
   CAD/CAE software.  DSM is written in DSM and C and
   produces C as output.

   ["DSM: An Object-Relationship Modeling Language", A. Shah et
   al, SIGPLAN Notices 24(10):191-202 (OOPSLA '89) (Oct 1989)].

   2. DIGITAL Standard MUMPS.

   (1995-01-10)