system environment/daemons
- dbmail - The DBMail mail storage system
- dbmail-auth-ldap - The DBMail mail storage system
- dbmail-mysql - The DBMail mail storage system
- dbmail-pgsql - The DBMail mail storage system
- hplip - HP Linux Imaging and Printing Project
- libsane-hpaio - SANE driver for scanners in HP's multi-function devices