PTI

from The Free On-line Dictionary of Computing (8 July 2008)

Portable Tool Interface
PTI

   <programming, standard> (PTI) A standard such as {PCTE},
   allowing interworking between different software tools via
   defined interfaces to the user and to the {repository} or
   {object management system}.

   (2000-09-25)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

PTI
       Payload Type Identifier (ATM, PT)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

PTI
       Polskie Towarzystwo Informatyczne (org., Poland)