Menu generator for X Window Managers and desktop environments

http://menumaker.sourceforge.net/

Fast, lightweight source control management system

https://www.mercurial-scm.org/

OpenGL demos distributed with Mesa

https://www.mesa3d.org/

Metalink generation tool

http://metalinks.sourceforge.net/

Small, fast Emacs-like editor

https://github.com/ibara/mg

Module for additional features with X.Org/XFree86 Matrox driver

http://www.matrox.com/mga/support/drivers/previous/home.cfm

Easy-to-use library for strong hashes such as MD5 and SHA1

http://mhash.sourceforge.net/

MidnightBSD desktop environment

http://people.midnightbsd.org/~laffer1

Mod player which plays MTM, STM, XM, MOD, S3M, ULT, UNI and IT mods

http://mikmod.sourceforge.net/

Easy-to-use greylist milter for sendmail and postfix

http://hcpnet.free.fr/milter-greylist/

Construct and optionally send MIME messages from command line

http://www.argon.org/~roderick/

MIME Media Types list

http://packages.qa.debian.org/m/mime-support.html

Flash 4/5 movie output library with many languages support

http://www.libming.org/

MS-DOS Telix serial communication program "workalike"

https://salsa.debian.org/minicom-team/minicom/

UPnP IGD client lightweight library

http://miniupnp.free.fr/

Zip library and programs from Zlib distribution

http://www.winimage.com/zLibDll/minizip.html

Monitor the status of mirrors

http://www.cs.uu.nl/people/henkp/mirmon/

Set of tools to record/playback/edit videos in MPEG format

http://mjpeg.sourceforge.net/

Program to create Compose cache files

Create an index of X font files in a directory

http://www.xfree86.org/current/mkfontdir.1.html

Creates an index of scalable font files for X

http://www.xfree86.org/4.3.0/mkfontscale.1.html

MirBSD enhanced shell based on pdksh

https://mirbsd.org/mksh

Shared memory allocation library for pre-forked process models

http://www.ossp.org/pkg/lib/mm/

Apache 2.4 fast-cgi module

https://github.com/FastCGI-Archives/mod_fastcgi

PHP Scripting Language

http://www.php.net/

PHP Scripting Language

http://www.php.net/

PHP Scripting Language

http://www.php.net/

Python WSGI adapter module for Apache

http://www.modwsgi.org/

Python clone of WikiWiki

https://moinmo.in/

Open source implementation of .NET Development Framework

http://www.mono-project.com/

Drive a buggy across the moons surface

http://www.seehuhn.de/comp/moon-buggy

Powerful text mode based programming IDE

http://konst.org.ua/motor/

Simple text editor for the Xfce Desktop

https://git.xfce.org/apps/mousepad/about/

Mouse accessibility enhancements for the GNOME desktop

https://launchpad.net/mousetweaks/

PostScript printing util for ASCII files, email, USENET news articles, etc

Library and tools to read, create, and modify mp4 files

http://code.google.com/p/mp4v2/

External MIME packer/unpacker

Library of complex numbers with arbitrarily high precision

https://www.multiprecision.org/mpc/

MPEG-2 Encoder and Decoder

http://www.mpeg.org/MPEG/video/mssg-free-mpeg-software.html

Library for multiple-precision floating-point computations

https://www.mpfr.org/

Command-line player for MPEG Layer 1, 2, and 3 audio files

http://www.mpg123.de/

High performance media player supporting many formats

http://www.mplayerhq.hu/

Skins for MPlayer's Graphical User Interface (GUI)

http://www.mplayerhq.hu/

SMTP plugin for MUAs

https://marlam.de/msmtp/

A collection of tools for manipulating MSDOS files

http://www.gnu.org/software/mtools/intro.html

Common components between a munin node and server

https://munin-monitoring.org/

Collector part of Munin

https://munin-monitoring.org/

Node-specific part of Munin

https://munin-monitoring.org/

MySQL Connector/J: JDBC interface for MySQL

https://dev.mysql.com/downloads/connector/j/

Convert a MySQL dump to a PostgreSQL dump

http://pgfoundry.org/projects/mysql2pgsql/