convmv - Convmv converts filenames (not file content) directories and even whole filesystems to a different encoding
cook - Cook is a file construction tool
coreutils - GNU Coreutils are a set of basic file shell and text manipulation utilities for the GNU operating system that are expected to exist on every operating system. Previously they were offered as three individual distributions: fileutils shellutils and textutils
cpio - GNU cpio copies files into or out of a cpio or tar archive
cpptest - CppTest is a C++ Unit Testing Framework
crm114 - CRM114 is a system to examine incoming e-mail system log streams data files or other data streams and to sort filter or alter the incoming files or data streams according to the user's desires
cronolog - Cronolog is a simple filter program that reads log file entries from standard input and writes each entry to the output file specified by a filename template and the current date and time
cscope - Cscope is a developer's tool for browsing C code.
ctags - Exuberant Ctags is a multilanguage reimplementation of the ctags(1) program. It generates indexes of source code definitions which are used by a number of editors and tools
cups - CUPS is the standards-based, open source printing system developed by Apple Inc. for macOS® and other UNIX®-like operating systems. CUPS uses the Internet Printing Protocol (IPP) to support printing to local and network printers.
curl - Curl is a tool for transferring files with URL syntax supporting FTP FTPS HTTP HTTPS GOPHER TELNET DICT and FILE
curl_ldap - Curl is a tool for transferring files with URL syntax supporting FTP FTPS HTTP HTTPS GOPHER TELNET DICT and FILE - With LDAP Support
curl_openssl111 - Curl is a tool for transferring files with URL syntax supporting FTP FTPS HTTP HTTPS GOPHER TELNET DICT and FILE
curl_openssl111 - Curl is a tool for transferring files with URL syntax supporting FTP FTPS HTTP HTTPS GOPHER TELNET DICT and FILE
curl_openssl300 - Curl is a tool for transferring files with URL syntax supporting FTP FTPS HTTP HTTPS GOPHER TELNET DICT and FILE
curl_openssl310 - Curl is a tool for transferring files with URL syntax supporting FTP FTPS HTTP HTTPS GOPHER TELNET DICT and FILE
cvs - The cvs version control system
cvs2svn - Cvs2svn is a tool for migrating a cvs repository to subversion or git
cython - Cython is a language that makes writing extensions for the Python language as easy as Python
daemontools - Daemontools is a collection of tools for managing UNIX services
daq - The Snort Data Acquisition library
darkstat - Darkstat is a network statistics gatherer.
db - db is the Berkeley open source embedded database system
dbus - Dbus is a message bus system providing a way for applications to talk to each other
dbusglib - The glib bindings for Dbus
ddd - DDD is the GNU Data Display Debugger
ddpt - Ddpt is a utility for copying files like its namesake the Unix dd command
ddrescue - GNU ddrescue is a data recovery tool. It copies data from one file or block device (hard disc cdrom etc) to another trying hard to rescue data in case of read errors
ded - Ded is a curses based directory editor which allows you to navigate multiple file lists or a directory tree
dejagnu - DejaGnu is a framework for testing other programs. Its purpose is to provide a single front end for all tests.
dhcp - The Dynamic Host Configuration Protocol distribution
dhex - Dhex is an ncurses based hex editor
di - Di is a disk information utility
dialog - Dialog is a utility to create user interfaces to shell scripts or other scripting languages
diction - GNU diction and style document analysis
diffstat - Diffstat reads the output of diff and displays a histogram of the insertions deletions and modifications per file
diffuse - Diffuse is a graphical tool for merging and comparing text files
diffutils - The GNU diff diff3 sdiff and cmp utilities
dig - Dig is a command-line tool for querying Domain Name System servers
dio - Dio is a device I/O analysis tool
disktool - Disktool is a program that shows how much disk space is available in each disk on a system
disktype - The purpose of disktype is to detect the content format of a disk or disk image. It knows about common file systems partition tables and boot codes
distcc - Distcc is a program to distribute builds of C C++ Objective C or Objective C++ code across several machines on a network
djbdns - Djbdns is a collection of Domain Name System tools
dnrd - Dnrd (Domain Name Relay Daemon) is a caching forwarding DNS proxy server
dnsmasq - Dnsmasq is a lightweight DNS forwarder and DHCP server
dnstop - Dnstop displays various tables of dns traffic
doc - DOC++ is a documentation system for C C++ and Java generating both TeX output for high quality hardcopies and HTML output for sophisticated online browsing of your documentation
docutils - The docutils documentation utilities
dog - Dog is an alternative to the cat command