oDns is a simple php/Perl/MySQL frontend to the BIND 8.2.1 Name Server. All the hosts information is saved in four SQL tables. The php-based Web frontend allows you to add/edit/remove domains (primary and slaves) and contact information. In the background, Perl is used to generate standard named.conf and specific zone files for all the primary domains.
SendIP is a command-line tool to send arbitrary IP packets. It has a large number of options to specify the content of every header of a RIP, RIPng, BGP, TCP, UDP, ICMP, or raw IPv4/IPv6 packet. It also allows any data to be added to the packet. Checksums can be calculated automatically, but if you wish to send out wrong checksums, that is supported too.
SFI Director is a tool for managing distributed, heterogeneous UNIX Systems. Its functionality includes System Configuration, Application Distribution, NIS and NIS+ Management, User Creation, and Dynamic System Documentation. It is in service at a number of sites, managing networks of 50 to 200+ UNIX nodes, under Linux, Solaris, Digital UNIX, and HP-UX.
TrinityOS is a step-by-step, example-driven HOWTO on building a very functional Linux box with strong security in mind. TrinityOS is well known for its strong packet firewall ruleset, Chrooted and Split DNS (v9 and v8), secured Sendmail (8.x), Linux PPTP, Serial consoles and Reverse TELNET, DHCPd, SSHd, UPSes, system performance tuning, the automated TrinityOS-Security implementation scripts, and much more.