Networking
- avahi is an implementation of Multicast DNS Service Discovery, that allows programs to publish and discover services on a local network
- bind, a DNS server
- iptables, the user space tools associated to the Linux firewall, Netfilter
- iw and wireless tools, the user space tools associated to Wireless devices
- netsnmp, implementation of the SNMP protocol
- openntpd, implementation of the Network Time Protocol, for clock synchronization
- openssl, a toolkit for SSL and TLS connections
- pppd, implementation of the Point to Point Protocol, used for dial-up connections
- samba, implements the SMB and CIFS protocols, used by Windows to share files and printers
- coherence, a UPnP/DLNA implementation
- vsftpd, proftpd, FTP servers