These directories hold various scripts:
- example startup and shutdown scripts for various operating systems and
distributions,
- hotplug and udev integration for on the fly privileges settings (Linux only),
- Hardware Abstraction Layer script, for declaring and binding NUT addons to
specific USB devices,
- Python Client module and application,
- Perl client module.

They have either been contributed by users of the software, or by the NUT Team
itself.