NIHCL is available via anonymous FTP from alw.nih.gov in directory /pub/NIHCL. It is also available directly from the GNU Project on the `Languages' distribution tape. For more information, please ask gnu@prep.ai.mit.edu. The NIH Class Library (formerly known as "OOPS", Object-Oriented Program Support) is a portable collection of G++ classes, similar to those in Smalltalk-80, which has been developed by Keith Gorlen of the National Institutes of Health (NIH), using the C++ programming language.