Online Available Software

The symmetry transform (MATLAB).

(Download uncompiled Win version here).

The convexity-based Yarg operator (MATLAB).

The SUMU algorithm (MATLAB). Implementation of:
Ariel Tankus, Yehezkel Yeshurun, and Itzhak Fried (2009),
An automatic measure for classifying clusters of suspected spikes into single cells versus multiunits.
Journal of Neural Engineering 6(5):056001.