Pysimony Icon



A Pythonic Implementation of Parsimony Inference of Phylogeny

Add a Review
0 Downloads (This Week)
Last Update:
Browse All Files
Windows Mac Linux


UPDATE: After some bug fixes, I've ditched Pysimony for Javamony:

Given Python's beauty, I know that someday I will have to finish Pysimony.

A student's first attempt at a phylogenetic inference program, written in the simplistic yet elegant Python.

Pysimony reads a FASTA file (only ATGC accepted) specified as its only argument. Basic testing has shown that it is slow, inaccurate and most definitely inefficient. An unlikely-to-be-the-most-parsimonious tree is printed upon completion in basic Newick tree format.

As all parts of the program are the original work of a beginner programmer, this may represent one of the worst approaches to solving the phylogenetic problem. I have clearly avoided object-oriented programming.

Nevertheless, I distribute this imagining it might someday be slightly educational or at least provide a laugh at the pathetic attempt it makes to reinvent the wheel

Pysimony Web Site


  • Flawed parsimony calculator
  • Reads FASTA files (only ATGC)
  • Outputs tree in Newick format
  • Simple, single mode


Other Useful Business Software

The Leading Provider of Business VoIP Phone Systems Icon

Award-Winning Business VoIP Phone System

The Leading Provider of Business VoIP Phone Systems Icon
1 of 5 2 of 5 3 of 5 4 of 5 5 of 5
62 Reviews
  • Unlimited Calling, Faxing, Video Conferencing
  • 24/7 U.S Based Customer Support
  • Super Reliable, Simple to Use
Write a Review

User Reviews

Be the first to post a review of Pysimony!

Additional Project Details

Intended Audience

Science/Research, Education

User Interface


Programming Language




Thanks for helping keep SourceForge clean.

Screenshot instructions:
Red Hat Linux   Ubuntu

Click URL instructions:
Right-click on ad, choose "Copy Link", then paste here →
(This may not be possible with some types of ads)

More information about our ad policies

Briefly describe the problem (required):

Upload screenshot of ad (required):
Select a file, or drag & drop file here.

Please provide the ad click URL, if possible:

Get latest updates about Open Source Projects, Conferences and News.

No, thanks