system environment/daemons
- courier-authlib - Courier authentication library
- courier-authlib-ldap - LDAP support for the Courier authentication library
- courier-authlib-mysql - MySQL support for the Courier authentication library
- courier-authlib-pgsql - MySQL support for the Courier authentication library
- courier-authlib-pipe - External authentication module that communicates via pipes
- courier-authlib-userdb - userdb support for the Courier authentication library
- freeradius - High-performance and highly configurable free RADIUS server
- freeradius-krb5 - Kerberos 5 support for freeradius
- freeradius-ldap - LDAP support for freeradius
- freeradius-mysql - MySQL support for freeradius
- freeradius-perl - Perl support for freeradius
- freeradius-postgresql - Postgresql support for freeradius
- freeradius-python - Python support for freeradius
- freeradius-unixODBC - Unix ODBC support for freeradius
- freeradius-utils - FreeRADIUS utilities
- pcsc-lite - PC/SC Lite smart card framework and applications
- squid - The Squid proxy caching server