Flow Cytometry Software

Frank Battye - Flow Cytometry Consulting

Weasel for Display and Analysis of Flow Cytometry Data

  • Versions available for Macintosh, Windows PC and unix varieties (with Java).
  • A long heritage in exploratory data analysis through innovative visual display techniques.
  • See also the companion program ACluE for cluster discovery in multi-parameter data.

Weasel is available for public download.  A fully functional copy can be downloaded free for a 30 day trial.  Thereafter, a small licence fee is required. 


Latest Release 19th May 2022: Weaselv3.7.2 a bug fix version of Weasel: v3.7.1 which was an enhancement of version 3.7 with Parallel Coordinates displays and expansion of the Population Linking technique. [See the New Version page for info]

Browse through displays of some of the features below... 

HISTOGRAMS: May have overlays of differing gates or from different data files. More than one parameter may be shown. Histogram orientation can also be changed to match 2D displays as shown in the inset.


Descriptions of some of the most useful Weasel features that are uncommon or even unique will feature on our Facebook pages. Visit us there from time to time to discover the latest entry. 

For more information, see the links below.


Latest version



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*Guava is a trademark of Millipore Corporation. Cell-Dyn is a trademark of Abbott Laboratories.

Copyright (c) 2015 Frank Battye