Recent News
SNAP Version 3.0.2 Released
November 8, 2019
AptPlot 6.9.0 Updated
May 13, 2019
PyPost 2.0.2 Released
October 24, 2019
AptPlot Resources

AptPlot - A Free Pure-Java 2D Plotting Tool

AptPlot is a free WYSIWYG 2D plotting tool designed for creating production quality plots of numerical data and performing data analysis. AptPlot contains extensive scripting and GUI support for the manipulation and analysis of data sets. AptPlot is intended to be a pure-Java drop-in replacement for the the Motif X-Window based Grace plotting package maintained by the Grace Team and coordinated by Evgeny Stambulchik.

Download AptPlot

PyPost is now included with the AptPlot distribution for SUG members.

PyPost - A Python Postprocessor for Analysis of Code Results and Experimental Data

PyPost consists of a Python library and stand-alone Java application designed to provide advanced post-processing capability for engineering analysis codes and experimental data results. PyPost is licensed to SNAP User's Group (SUG) members.

AptPlot Overview

Read an overview of the AptPlot application and its features. A brief history of AptPlot is also presented.


AptPlot is released under the GPL. Read the license and the licenses of included technologies.

Change Log

ACS Plug-in 2.4.2 released October 24, 2019:

  • Additional fix for GOTHIC 8.3 plot file format.

ACS Plug-in 2.4.1 - released June 13, 2019:

  • Added support for GOTHIC 8.3 plot file format.

AptPlot 6.9.0 / ACS Plug-in 2.4.0 - released May 13, 2019:

  • The runtime environments for APTPLOT has been updated to OpenJDK 1.8.0 version 212. Bundled 1.8.0_212 JVM's are included for the 64-bit Windows and 64-bit Linux platforms.