Finnix is a small, self-contained, bootable Linux CD distribution ("LiveCD") for system administrators, based on Debian testing. You can use it to mount and manipulate hard drives and partitions, monitor networks, rebuild boot records, install other operating systems, and much more.
Dmidecode reports information about your system's hardware as described in your system BIOS according to the SMBIOS/DMI standard. This information typically includes system manufacturer, model name, serial number, BIOS version, asset tag, and a lot of other details of varying level of interest and reliability, depending on the manufacturer. This will often include usage status for the CPU sockets, expansion slots and memory module slots, and the list of I/O ports.
Razercfg is a Razer device configuration tool. It is based on "razerd", a background daemon doing all of the low-level privileged hardware accesses. The user interface tools are "razercfg", a command-line tool, and "qrazercfg", a Qt-based graphical device configuration tool. Supported devices are the Razer DeathAdder (Classic, 3500DPI, and Black Edition) mouse, the Razer Krait mouse, the Razer Lachesis mouse, the Razer Copperhead mouse, the Razer Naga mouse, the Razer Boomslang CE mouse and the Razer Taipan mouse.
The PCI Utilities package contains various utilities dealing with the PCI bus, and also a library for portable access to PCI configuration registers. It includes `lspci' for listing all PCI devices (very useful for debugging of both kernel and device drivers) and `setpci' for manual configuration of PCI devices.