SourceAFIS is a fingerprint recognition/matching SDK (library), or more generally an Automated Fingerprint Identification System (AFIS). It essentially compares two fingerprints and decides whether they belong to the same person. It can quickly search a large database of registered fingerprints. It comes with an easy-to-use API (pure .NET and Java) plus assorted applications and tools.
You can download it from the following link: https://packetstormsecurity.com/files/download/116787/SourceAFIS-1.6.0.zip
Source: https://packetstormsecurity.com/files/116787/SourceAFIS-1.6.0.html