lshw (Hardware Lister) is a small tool to provide detailed information on the hardware configuration of the machine.
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.Discontinued
The project is no longer developed. Last version, 0.5.1, released in April 2009, can be still downloaded from SourceForge.
WinAudit is an inventory utility for Windows computers. It creates a comprehensive report on a machine's configuration, hardware and software. WinAudit is free, open source and can be used or distributed by anyone.This app doesn't have any features at the moment.
WinAudit vs SIW opinions
It actually lists software unlike the other listed alternatives.
sysinfo is a graphical tool that is able to display some hardware and software information about the computer it is run on.This app doesn't have any features at the moment.Discontinued
The Sysinfo website is down and Sourceforge reports the last update as being from 2013
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 as well as a lot of other details of...
GtkSysinfo is a perl-Gtk2 software for Linux which makes it possible to obtain a maximum of informations about the system such as temperature(with lm_sensors) , CPU frequency, hardware(with PciUtils) , network , ACPI and orther information.
Last Update: 2013-03-13. See https://sourceforge.net/projects/gtksysinfo/