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

SWT
       Standard Widget Toolkit (Eclipse, GUI, WTP)


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

Standard Widget Toolkit
SWT

    (SWT) The Eclipse Foundation's
   framework for developing graphical user interfaces in Java.
   SWT is written in explicitly standard Java but uses the Java
   Native Interface to talk to a platform-native GUI library.  SWT
   is the third major attempt to give Java a decent GUI framework,
   following AWT and Swing.  Of the three, SWT is the most
   consistent with the native GUIs but its programming model is hard
   to port to non-Windows platforms.

   Wikipedia (http://en.wikipedia.org/wiki/SWT).

   (2004-12-21)