Partition programs
cfdisk - curses-based disk partition table manipulator
fdisk - partition table manipulator
fixparts - designed to correct common problems with computer partition tables
gdisk - text-mode partitioning tool that works on GPT disks
gpart - guess PC-type hard disk partitions
GParted - partition editor that uses libparted
parted - partition manipulation program
sfdisk - partition table manipulator

File System Programs
btrfs - btrfs is a new copy on write file system for Linux
Bonnie + + - benchmark suite aimed at performing a number of simple tests
curlftpfs - file system for accessing FTP hosts based on FUSE and libcurl
dbench - file system benchmark programs
diskdev_cmds - OSX-ported, HFS + programs supplying mkfs and fsck
dosfstools - programs to create and check MS-DOS FAT file systems
e2fsprogs - ext2 file system programs and libraries
EncFS - provides an encrypted file system in user space
fsarchiver - save contents of a file system to a compressed archive file
FUSE - file system in userspace
hfsplus - set of tools to access HFS + file systems
IOzone - file system benchmark tool
ntfs-3g/ntfsprogs - third generation NTFS driver and tools for doing neat things with NTFS
ObexFS - FUSE based filesystem using ObexFTP
reiserfsprogs - user-level tools for ReiserFS file systems
sshfs - file system client based on SSH
vmfs-tools - access VMFS through standard Linux VFS via FUSE
xfsprogs - programs for managing XFS file systems
zfs-fuse - a port of the ZFS file system from Sun

Booting Loader Programs
grub - GRand Unified Bootloader
HDT (Hardware Detection Tool) - Syslinux com32 hardware analyzer module
install-mbr - installs and configures a Master Boot Record manager
lilo - LInux LOader
Memtest86 + - advanced memory diagnostic tool
ms-sys - used to create Microsoft-compatible boot records
syslinux - bootloaders for FAT12/16/32, bootable "El Torito" (iso9660), ext2/3/4 and brtfs file systems

X Programs
Audacious - Audacious is an open source audio player
Asunder - Asunder is a graphical Audio CD ripper and encoder
arandr - designed to provide a simple visual front end for XRandR
Blueman Device Manager - Blueman is a GTK + Bluetooth Manager
ClamTk Virus Scanner - A GUI front-end for ClamAV
Conky - lightweight system monitor
CUPS - CUPS is the standards-based, open source printing system
ddrescue-gui - A python script to make it easier to use ddrescue
Evince Document Viewer - Evince is a document viewer for multiple document formats
feh - an X11 image viewer aimed mostly at console users
File Roller - archive manager
Firefox - open source web browser
galculator - GTK + scientific calculator
GEncFS - GUI to EncFS, for encrypted directory mounting
gtkdialog - small utility for fast and easy GUI building
gtk-lshw - GTK + front-end for lshw
GSmartControl - HDD health inspection tool (GUI for smartctl)
GSSHFS - GUI to SSHFS, for distant directory over SSH mounting
hardinfo - system profiler and benchmark
ISO Master - GUI CD image editor
Leafpad - GTK + based simple text editor
lilosetup - a GUI utility to configure LILO bootloader
Mirage Image Viewer - Mirage is a fast and simple GTK + image viewer
netwag - a graphical front-end to netwox
NetworkManager - Great Networking powered by DBUS
Parcellite - Parcellite is a lightweight GTK + clipboard manager
pyneighborhood - an OpenSource GTK + based SMB / CIFS Browsing utility
ROX-Filer - a simple and easy to use graphical file manager for X11
ROXTerm - ROXTerm is a terminal emulator intended to provide similar features to gnome-terminal, based on the same VTE library
SciTE - A free source code editor for Win32 and X
spacefm - a file manager with built-in VFS, udev-based device manager, customizable menu system, and bash integration
systester - Test your system's stability and performance by calculating millions of digits of Pi
TigerVNC Viewer - a high-performance, platform-neutral implementation of VNC
TrueCrypt - software system for on-the-fly-encrypted volumes
UNetbootin - create bootable, Live USB drives for Linux distros without burning a CD
WICD - A network connection manager that aims to simplify wired and wireless networking in Linux
XChat - IRC chat program
xclamscan - GUI for the ClamAV anti-virus
Xdialog - designed to be a drop in replacement for the "dialog" or "cdialog" programs
xfburn - Xfburn is a simple CD / DVD burning tool based on libburnia libraries
Yad - (yet another dialog) is a fork of Zenity with many improvements
Zenity - allows you to display GTK dialog boxes in commandline and shell scripts

Console Programs
AlsaMixer - soundcard mixer for ALSA soundcard driver, with ncurses interface
arpwatch - a tool for monitoring Address Resolution Protocol traffic on a computer network
bar - a simple tool to copy a stream of data and print a display for the user
BlueZ - official Linux Bluetooth protocol stack
bzip2recover - recover data from damaged bz2 files
cdrtools - allows recording to CD / DVD / BluRay media
chntpw - utility to (re) set passwords of local accounts on Windows systems
ClamAV - open source (GPL) anti-virus toolkit for UNIX
Clonezilla - OpenSource clone system
cmospwd - decrypts passwords stored in CMOS used to access BIOS setup
consoleKit - ConsoleKit is a framework for defining and tracking users, login sessions, and seats
cURL - tool for transferring files with URL syntax
dcfldd - enhanced version of GNU dd
dc3dd - patched version of GNU dd
GNU dd - convert and copy a file
ddrescue - does not abort on errors on the input file
device-mapper - kernel component that supports LVM
di (Disk Information Utility) - disk information programs
diff - compares two files, showing differences line by line
disktype - detect content format of disk or disk image
dislocker - designed to read BitLocker encrypted partitions under Linux and Mac OSX systems
dmidecode - reports information about your system's hardware
dmraid - discover and activate software (ATA) RAID
DRBL - Diskless Remote Boot in Linux
dvd + rw-tools - makes it possible to burn DVD images
ELinks - text mode web browser
ethtool - standard Linux utility for controlling network drivers and hardware
ext3grep - recover deleted files from an ext3 or ext4 file systems
extundelete - tool to help recover deleted files on ext3 file systems
file - determine file type
flashrom - identify, read, write, verify, erase flash chips
gptsync - GPT partition table to MBR partition table synchronisation
hdparm - get / set ATA / SATA drive parameters
hexedit - view and edit files in hexadecimal
hfsprescue - scans a damaged image file or partition that is formatted with HFS +
iptables - administration tool for IPv4 packet filtering and NAT
lftp - command-line file transfer program
lm-sensors - Linux hardware monitoring
lshw - Hardware Lister
lsof - (LiSt Open Files) displays information about files open to processes
lspci - lists PCI buses and devices in the system
lsscsi - lists information about SCSI devices
lsusb - lists USB devices
lzip - gzip-like command line tool which uses LZMA compression
md5deep - a set of programs to compute MD5, SHA-1, SHA-256, Tiger, or Whirlpool message digests on an arbitrary number of files
mdadm - manage MD devices, aka Linux Software Raid
Midnight Commander - file manager
modem-manager - D-Bus service for managing modems
multipath-tools - used to drive the Device Mapper multipathing driver
nano - editor aimed to replace Pico
nbd - network block device, client and server.
nmap - programs for network discovery and security auditing
ntp - Network Time Protocol
Nwipe - run the DBAN dwipe command outside of DBAN
Open-iSCSI - Open-iSCSI project is a high performance, transport independent, multi-platform implementation of RFC3720
openSSH - encrypt sessions using the SSH protocol
openSSL - open source implementation of the SSL and TLS protocols
partclone - a project similar to the well-known backup utility
partclone-utils - partclone-utils contains a utility for use with partclone generated images
partimage - utility which saves partitions to an image file
perl - a highly capable, feature-rich programming language
PhotoRec - digital photo recovery
pigz - parallel implementation of gzip that exploits multiple processors & cores
plzip - parallel lossless data compressor based on the LZMA algorithm
polkit - a toolkit for handling the policy that allows unprivileged processes to speak to privileged processes
pv (pipe viewer) - monitors the progress of data through a pipeline
pxz - a compression utility that runs LZMA compression of different parts of an input file on multiple processors simultaneously
rdiff-backup - rdiff-backup backs up one directory to another, possibly over a network
reglookup - direct analysis of Windows NT-based registry files
RP-PPPoE - PPPoE client for Linux to connect to PPPoE service providers
rsync - fast incremental file transfer
rTorrent - text-based ncurses BitTorrent client
safecopy - data recovery tool
samba - the standard Windows interoperability suite of programs for Linux and Unix
Scrounge NTFS - data recovery program for NTFS
sdparm - outputs and modifies SCSI device parameters
shorewall - a gateway / firewall configuration tool for GNU / Linux
shred - securely delete a file
smartctl - control and monitor utility for SMART disks
stress - simple workload generator
sudo - execute a command as another user
TestDisk - partition scanner and disk recovery tool
udevil - a program that mounts and unmounts devices without a password, shows device info, and monitors device changes
udisks - a daemon that serves as an interface to system block devices, implemented via D-Bus
UDPcast - transfer tool that can multicast data on a LAN
unarj - program used to uncompress. arj format archives
wpa_supplicant - implementation of an IEEE 802.11i supplicant
wipe - secure, file wiping utility
zenmap - the official Nmap Security Scanner GUI
zerofree - Zerofree finds the unallocated, non-zeroed blocks in an ext2 or ext3 file-system and fills