netboot is a tiny PXE-aware combined DHCP and TFTP
server. It can be used to bootstrap the Ubuntu or
Debian net installer. Other uses include assigning
an address to a network device like ILO to
configure it. It needs almost zero configuration.
A converter from Postscript(TM) and PDF to other vector graphic formats.
An easy to use, but still quite capable firewall for Netfilter/iptables.