lsdisk!

Also known as palimpsest, gnome-disk-utility provides libraries and applications for dealing with storage devices.

I-Nex is an application that gathers information for hardware components available on your system and displays it using an user interface similar to the popular Windows tool CPU-Z.

Hardinfo is a system information and benchmark tool for Linux. It shows detailed system info, including hardware, environment, and kernel. It can use lm_sensors and ACPI for temperature and battery information. It also has four CPU banchmarks and two FPU benchmarks. It can generate reports as well.

lshw (Hardware Lister) is a small tool to provide detailed information on the hardware configuration of the machine. It can report exact memory configuration, firmware version, mainboard configuration, CPU version and speed, cache configuration, bus speed, etc. on DMI-capable x86 or EFI (IA-64) systems and on some PowerPC machines.

A helping tool for udev testers, coders, hackers and consumers. Main features are - Browsing the sysfs tree via udev, Reports udev device info and udev properties, Filter and search devices, Monitorize udev device events.

cpuid dumps detailed information about the CPU(s) gathered from the CPUID instruction, and also determines the exact model of CPU(s).

hwinfo is a program developed by OpenSUSE. hwinfo is used to probe for the hardware present in the system. It can be used to generate a system overview log which can be later used for support.

Uses information in sysfs (Linux kernels 2.6.0 and later) to list all scsi devices (or hosts) currently attached to the system. Options can be used to control the amount and form of information provided for each device.