Following the NeXT tradition with
mixed case,
GNUSTEP is a livecd/distribution while
GNUstep is an implementation of the OpenStep API.
GNUSTEP is based on morphix, and use the GNUstep libraries and GNUstep-based applications to provides a NeXTSTEP-like environment that people can easily test and use. This new release comes 8 month since the precedent 0.5 release, and brings a lot of new GNUstep applications with it, as well as an upgrade of the GNUstep libraries and the development tools.