I am in the process of moving all of my software tools to the MATLAB Central File Exchange:

• Matlab Central Profile and Submissions
  

Some of my submissions are described below (all for MATLAB):

• Sturctural Modification and Modal Substructuring Utility, (Only available here at the moment.  Click here to download a zip file containing the MATLAB code and a Powerpoint presentation describing the utility).
• Nonlinearity Detection Algorithm based on Zeroed FFTs (link to paper).
  
• Image Measurement Utility
• Toolbox for vibrations and experimental modal analysis including MAC, MIF, FRF Construction from modal parameters, etc... (coming soon)
  
• General tools for MATLAB (coming soon)