AA-lib is a low level gfx library just as many other libraries are. The main difference is that AA-lib does not require graphics device. In fact, there is no graphical output possible. AA-lib replaces those old-fashioned output methods with a powerful ASCII art renderer. The API is designed to be similar to other graphics libraries.
PrinterSetup is a flexible printer setup system. It is tailored to institutions with more than 20 deployed printers. It is designed to work with CUPS on Mac OS X. PrinterSetup is a component of PrintingWorks, a print accounting solution. There is limited documentation. Apple package deployment requires Mac OS X 10.3 or later, and is untested on earlier versions. Apple package development requires Mac OS X 10.5 or later and Xcode 3.0 or later.
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.