Applied Programming Technology, Inc. (APT), is a software development company specializing in innovative software solutions to support engineering analyses. From soon after the firm began operations - almost two decades ago - APT has been primarily involved in development of the Symbolic Nuclear Analysis Package: SNAP (Version 3.1.0 Released March 2020) is an integrated suite of programs designed to provide an efficient framework for the use of nuclear safety analysis codes. APT has also authored several utility applications including AptPlot, a Free Pure-Java WYSIWYG 2D plotting tool designed for creating production quality plots of numerical data and performing data analysis: AptPlot 6.9.0 Updated May 2019