C++ Command Line Library provides a framework for handling command line options and arguments. Either variables (of any type) are set to values given at the command line.

Command Line WRAPper is a tool that provides an easy way to build and run commands from input lines, avoiding the use of shell script. It is similar to xargs. clwrap can make great things with the locate command, and is low resource intensive.

acoc is a regular-expression based colour formatter for programs that display output on the command-line. It works as a wrapper around the target program, executing it and capturing the stdout stream.

PAR2GUI project provides a GUI to the command line utility PAR2. You can Verify , Repair and Create PAR2 files. Its very simple and provides instant user feedback via the intergrated konsole widget.

bicl is a tool for editing the built-in command line boot arguments in binary files like the PPC64 Linux compressed kernel image and the PPC64 Xen compressed hypervisor boot image.

fileschanged is a GNU/Linux command-line utility that reports when files have been altered. This software is a client to the FAM (File Alteration Monitor) server that is now available in some distributions.

SMCRoute is a command line tool to manipulate the multicast routes of the Linux kernel.

TracerouteWrapperServlet provides a Web frontend to a command-line tool like traceroute.

Exiv2 comprises of a C++ library and a command line utility to access image metadata. Exiv2 is free software and it is released under the GPL Public License.

MP3Unicode is a command line utility to convert ID3 tags in mp3 files between different encodings. For example, mp3unicode --source-encoding cp1251 --id3v1-encoding none --id3v2-encoding unicode file.

mpegrec is a FREE, Open Source command-line tool for recording audio on Windows and Linux. It may be used to record direct-to-disk WAV files, and MP3 files. MP3 encoding requires an external MP3 encoder such as the lame encoder.

Arg_parser is an argument parser that follows POSIX and GNU conventions for command line arguments. Arg_parser is implemented as a C++ class, and is simpler, easier to use, and safer that "getopt_long".

iPod Video Encoder is a command line tool for convenient encoding of video files for use on iPod video. iPod Video Encoder project uses the ffmpeg tool for the actual encoding.

Randomize Lines (rl) is a command-line tool that reads lines from an input file or stdin, randomizes the lines and outputs a specified number of lines.

Danlann is easy to use and powerful command line gallery generator. It takes text gallery description files and photos as an input and produces a nice looking Web gallery of photos.

ppsei short from PPS Extract Images is a simple command line program, which tries to extract images from Microsoft PowerPoint documents (PPS/PPT).

CLSimilarImages is a command-line utility for finding visually similar images which may not be identical. It reads filenames from standard input, and outputs customisable results to standard output.

QueryXMMS (qxmms) is a small command line application that queries XMMS about what it is currently doing. QueryXMMS is useful for writing scripts that react to the status of XMMS..

SendEmail is a lightweight, completly command line based, SMTP email agent. If you have the need to send email from a command prompt this tool is perfect.

MyProfi project is a command line tool that parses mysql query log and outputs statistics of most frequently used queries, sorting them by number of times they appear in a log file. The similar queries are groupped together.