GrFinger is the core matching fingerprint technology and allows systems integrators and developers to add fingerprint recognition to programs, creating custom one-to-one verification and one-to-many identification applications, such as time and attendance, point of sale identification and physical access control. Source code is available under consult.

GrFinger DLL(including reader capture, template extraction and fingerprint matching features), import files for Visual Basic, C/C++, Delphi; GrFinger identification and verification sample application source code written in Visual Basic 6.0, Delphi 6.0 and Managed C++ .NET**; GrFinger license request application.