CLI utilities are run from the command-line, do their thing and exit.
aardvarkutils - CLI file utilities
ASCII art generator - create ASCII art on the fly
autoshutdown - Shut down at a predetermined time
average - CLI utility to calculate statistical results
banner - Print large text in the Terminal
bash_snippets - Small bash scripts with no dependencies
belief - Generate random religious creeds. A bit like fortune
bemailtombox - Convert Haiku mail to mbox format
bgrep - Search for hex codes in binary files
bincat - Binary files concatenator
bomstrip - Remove BOMs from UTF-8 files
bynario - An ASCII <==> binary converter
byte2c - Extract numbers from an executable
byte2hex - Convert bytes to hex numbers
casechangers - CLI utilities to change the case of all files in a folder
chaos - A CLI binary randomizer script
charcount - Count character use in text files
checkbashisms - Check shell script for 'bashisms'
cipattern - Changes string to case-insensitive regex
cloc - Count lines of code
colcut - CLI utility to cut long lines to a manageable length
countchars - A CLI script to count the distribution of characters in a file
countdown - CLI utility to count down time, then run a command
cutief8 - convert plain ASCII quotes to their UTF-8 equivalents
c_utilities - Three small file maintenance utilities
dedupfiles - Deletes duplicate files
dehtml - Convert HTML into plain text
deroff - CLI utility to convert UNIX man files into plain text
detox - Tame problematic filenames
diff2html - Compare two files and write results to HTML
dislines - CLI utility to distribute in several files the lines of a tagged text
dos2be - CLI utility to remove carriage returns (0x0D) from DOS\Windows text files
dox2txt - Extract text from Microsoft .docx files
downcase - Rename files and directories with lowercase version
Dropbox Uploader - A CLI utility to gain access to your Dropbox files
dumptrack - CLI CD track ripper (not an encoder)
fdupes - A CLI program for identifying duplicate files
filesize.pl - A CLI scipt to display file size
filetime - Determine file atime, mtime or ctime
findequalfiles - Find equal files in a directory tree
findstr - Like grep, but much, much simpler
fixfilenames - Change file names to safe names, e.g. space to _
fixpermissions - CLI utility to remove incorrect +x flags
flickrfind - Find Creative Commons licenced photos on Flickr
formakeutils - CLI utilities for developers
freeze - CLI compression/decompression utility
hd - CLI hex dump utility
hex2byte - Convert hex numbers to bytes
histo - CLI bar chart creator
gifgen - A CLI wrapper for ffmpeg to create better animate GIFs
haikupy - A haiku generator
hr - A horizontal ruler for your terminal
jawk - Awk implemented in Java
justify - left-justifies input text into 72-width rows
keepalive - Ping a variety of websites
ldd - A script that mimics the Linux ldd command
libredice - A CLI password generator in a bash script.
lifekeeper - Keep connections alive
littleutils - A collection of small and simple utilities
longestline - Find the longest line in a text file
lorem - A Lorem Ipsum generator
makeself - A self-extracting archiving tool in 100% shell script
memspeed - Test your system memory's speed
moreutils - CLI utilities from the moreutils collection
morsegen - Generate Morse Code
mplex - MPG stream multiplexer
namenorm - normalize filenames
nanoblogger - A CLI weblog engine
normalizefrom - CLI front-end to recursively apply mp3gain
numbase - Convert numbers into decimal/hex/oct/binary.
numlock - CLI utility to switch the NumLock ON
passwdgen - CLI utility to generate random passwords
perlpowertools - A collection of BSD utilities implemented in Perl
pig - A CLI tool that takes any input and returns it as Pig Latin
pmenu - Item selector, similar to tpick
png2gif - CLI app to convert GIF to PNG
pub - Fixes directory by making it publicly readable and editable
quotify - Make 'gendered' quote marks out of ascii-style ones
randswap - CLI utility to randomize lines of text
rbexe - CLI utility to create an empty executable script
rename_perl - CLI utility to rename files
rman - Convert man pages
rmchar - Removes all the occurences of a specific byte in a file
rt - Simple text drawing using NCurses
rtf2html - Convert RTF files to HTML
samuraidesigner - Plain text to HTML converter
scat - CLI utility to display a text file at a set rate
shalbum - A CLI utility to generate a HTML album
since - Stateful tail
sizeattr -Calculates cumulative sizes of attributes
sleepy - A CLI command delayer
smartypants - CLI Text and HTML prettifyer
spiff - A program to compare two text files
stripwhite - A text file whitespace remover
suck - Clear the Terminal screen differently
sustituye - Search-and-Replace for text files
swap2files - Swap two files' filenames
t2r - LaTeX to RTF converter
tab2spc - Convert tabs to spaces in text files
tac - CLI utility to reverse the contents of a text file
tcping - An alternative to the ping command
terminal alerts - Terminal alerts and dialogs
tidyspace - Clean up text files
tpick - A simple CLI utility for picking one of a number of things
trash_size - CLI utility gives you the size of the Trash
trim - CLI utility to crop text files
txt2tags - A document generator. Like Markdown but easier
umenu - micro-menu or unnamed menu for CLI
unarj - An unarchving utility for ARJ archives
unimp - Unarchiver for IMP files
unixtime - Convert time from UNIX format
unquote - Execute a command with safely quoted arguments
vilistextum - A CLI utlity to convert HTML to text
vimput - CLI single-line text input with vim keybindings
vramsteg - Progress indicator for shell scripts
w2dobundle - A complete todo system in five perl scripts
wgetter - Simplified wget, implemented in python
xlreader - Read Excel files without Microsoft
youbeaut - Three system info utilities