You might be wondering about the name. Well
Griff is to Begriffe what for is to before and gin is to begin.
Griff is a collection of software packages that support the application of formal concept analysis to various sources of information. These packages are in various stages of development. Sarl3 and CASS are recommended.
Griff is currently hosted on Sourceforge.
Many related papers can be found on the KVO website.