The μ-diff Matlab toolbox is available on github
It can be either downloaded as a zip file or (better) cloned using git:
git clone https://github.com/mu-diff/mu-diff.git mu-diffWarning: previous git repository based on the μ-diff website is now abandonned. Please change the remote to the github repository.
User guideTeX files of the userguide are available on git repository, which can be cloned using:
git clone https://github.com/mu-diff/userguide.git userguideand a compiled pdf is available here.
To install μ-diff, save the zip file in one of your directories on your computer, go to Matlab and add the file directory (and it subdirectories) to the set path Matlab file. Then, you can use μ-diff and launch some of the examples.
A mailing list for the μ-diff users is available: sign up to it here