MegaMatcher 3.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among MegaMatcher users are 4.0 and 3.1.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of the software is Neurotechnology. MegaMatcher relates to Development Tools.
From the developer:
MegaMatcher technology is intended for large-scale AFIS and multi-biometric systems developers. The technology ensures high reliability and speed of biometric identification even when using large databases.
MegaMatcher is available as a software development kit that allows development of large-scale single- or multi-biometric fingerprint, iris, face or palm print identification products for Microsoft Windows, Linux and Mac OS X platforms.
You may want to check out more software, such as GnuWin32: PlotUtils, Menu Creator 2007 & Menu Extended or SharedModelDemo, which might be related to MegaMatcher.