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downloads | visuals | publications & geography | disclaimer

Welcome to the SimPlot page. All of the software here is protected by copyright but free of charge. Before you download software you need to read my disclaimer.

This software is "Hello-ware". When you register on the download server, all you have to provide is a valid email address, but I would love to hear what organism(s) you are studying, and where you are located. The email address allows me to:

If you find SimPlot useful and generate figures with it, whether for publication or presentation, I would appreciate acknowledgment, such as a reference to the paper in which we first described SimPlot:

Lole KS, Bollinger RC, Paranjape RS, Gadkari D, Kulkarni SS, Novak NG, Ingersoll R, Sheppard HW, Ray SC. Full-length human immunodeficiency virus type 1 genomes from subtype C-infected seroconverters in India, with evidence of intersubtype recombination. J Virol. 1999 Jan;73(1):152-60.

Downloads and version history

Below is a list of major changes, with details in the Help files. Available for download (all are 32-bit applications for Microsoft Windows, but the recent versions apparently run well under Windows emulation software on Macintosh and Linux machines - your mileage may vary):

Version 3.5.1 (August 2003) download (5.5 MB) NOTE (7/2021): download server is not working, so please use my email address to send a request for a personal download link

Version 3.2 (April 2002) download (3.9 MB)

Version 2.5 (March 18, 1999) download (1.2 MB)

Version 2.4 (March 5, 1999) download (1.2 MB)

version 1.3 (August 3, 1998) download (339 KB)

Lole KS, Bollinger RC, Paranjape RS, Gadkari D, Kulkarni SS, Novak NG, Ingersoll R, Sheppard HW, and Ray SC, "Full-Length Human Immunodeficiency Virus Type 1 Genomes from Subtype C-Infected Seroconverters in India, with Evidence of Intersubtype Recombination" J Virol 1999; 73(1):152-160

Where is SimPlot being used? go to top

It's been used in more than 850 publications that I know of, from the following countries:

Please let me know if your country (or publication) is not listed.


This software is supplied as-is, with no warranty of any kind expressed or implied. I have made a reasonable effort to avoid errors in design and execution of this software, but will not be liable for its use or misuse. The user is solely responsible for the validity of any results generated. Specifically, the author and his employer are not liable for any damage or data loss resulting from the use of this software, even if it is due to negligence on the part of the author of this software.

This software and this document are the responsibility of Stuart Ray, M.D. The views expressed herein do not necessarily represent the views of Johns Hopkins University. [Note to human correspondents - you will need to remove "nospam" from this email address for it to work. My hope is that automated readers (spam factories) won't notice.]

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page updated31 May, 2021