Discover is a graphical software manager for the Plasma workspace. It helps users easily and quickly find applications and other software they might want to install.

libXaw7 provides the second version of Xaw, the Athena Widgets toolkit, which is largely used by legacy X applications. This version is the most common version, as version 6 is considered deprecated, and version 8, which adds Xprint support, is unsupported and not widely used. In general, use of a more modern toolkit such as GTK+ is recommended.

NAnt is different than Make. Instead of a model where it is extended with shell-based commands, NAnt is extended using task classes. Instead of writing shell commands, the configuration files are XML-based, calling out a target tree where various tasks get executed. Each task is run by an object that implements a particular Task interface.

Z3 is a state-of-the-art theorem prover from Microsoft Research. It can be used to check the satisfiability of logical formulas over one or more theories. Z3 offers a compelling match for software analysis and verification tools, since several common software constructs map directly into supported theories.