Application support.

Base classes for components.

Base classes for facilities.

Support for manipulating filesystems.

Abstract operations on geometrical systems.

Support for building and visualizing graphs.

Physical constants.

Authentication daemons.

Simulation monitoring.

Timers and other simulation monitors.

Infrastructure for lexical parsing.

Some parsers for text files.

User settable parameters.

Dimensional quantities.

Miscellaneous functions

Framework for parsing XMl files.