rpm livelinuxcd is a set of ISO images and a toolkit. The first CD image is a basic live CD with X/KDE, GNOME, twm, VPN/DSL, kickstart, and other tools based on RPM packages. The second CD image includes a server with ssh, Apache, PHP, MySQL, Samba, Squid, and more, but without X11. The toolkit consists of shell scripts to create new CDs from RPM package lists or comps files.
A command line tool to output your database schema and data in diff-able form.