Utility to test for faulty memory subsystem

http://pyropus.ca/software/memtester/

Stand alone memory test for x86 architecture computers

http://www.memtest86.com/

Menu generator for X Window Managers and desktop environments

http://menumaker.sourceforge.net/

Fast, lightweight source control management system

https://www.mercurial-scm.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/

Monitor the status of mirrors

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

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/

Python clone of WikiWiki

https://moinmo.in/

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

External MIME packer/unpacker

Library of complex numbers with arbitrarily high precision

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

Mpeg-4 library and tools from mpeg4ip

http://mpeg4ip.sourceforge.net/

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/

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/

Multithreaded SQL database (client)

http://www.mysql.com/

Multithreaded SQL database (scripts)

http://www.mysql.com/

Multithreaded SQL database (server)

http://www.mysql.com/

Multithreaded SQL database (client)

http://www.mysql.com/

Multithreaded SQL database (scripts)

http://www.mysql.com/

Multithreaded SQL database (server)

http://www.mysql.com/

Multithreaded SQL database (client)

http://www.mysql.com/

Multithreaded SQL database (scripts)

http://www.mysql.com/

Multithreaded SQL database (server)

http://www.mysql.com/

Multithreaded SQL database (client)

http://www.mysql.com/

Multithreaded SQL database (server)

http://www.mysql.com/

Multithreaded SQL database (client)

http://www.mysql.com/

Multithreaded SQL database (server)

http://www.mysql.com/

Nano's ANOther editor, an enhanced free Pico clone

http://www.nano-editor.org/

Network Audio System

http://radscan.com/nas.html

General-purpose multi-platform x86 and amd64 assembler

https://www.nasm.us/

Brian Kernighan's pattern scanning and processing language

http://cm.bell-labs.com/cm/cs/awkbook/index.html

FTP replacement with advanced user interface