Midnight Commander, a free Norton Commander Clone

http://www.midnight-commander.org/

Collects and decodes Machine Check Exception data

http://mcelog.org/

100% compatible replacement for Vixie cron

https://www.gnu.org/software/mcron/

Replacement for crypt(1)

http://mcrypt.sourceforge.net/

Utilities and libraries to export data from MS Access databases (.mdb)

http://mdbtools.sourceforge.net/

Alcohol 120% to ISO converter

https://BSDforge.com/projects/sysutils/mdf2iso/

Advertise a service via Rendezvous

https://github.com/Pro/mdnsd/

mdoc macro compiler

https://mdocml.bsd.lv/

Open Source implementation of the Lotus Sametime protocol

http://meanwhile.sourceforge.net/

Yet Another Part-of-Speech and Morphological Analyzer

https://code.google.com/p/mecab/

MeCab IPA dictionary meta-port

https://taku910.github.io/mecab/

Japanese Morphological Dictionary for MeCab (EUC-JP)

https://taku910.github.io/mecab/

Japanese Morphological Dictionary for MeCab (Shift JIS)

https://taku910.github.io/mecab/

Japanese Morphological Dictionary for MeCab (UTF-8)

https://taku910.github.io/mecab/

MeCab dictionary from Wikipedia (Japanese edition)

https://github.com/tokuhirom/jawiki-kana-kanji-dict

Modelisation et Echanges de Donnees

https://www.salome-platform.org/user-section/about/med

Provides technical and tag information for video and audio files

https://mediaarea.net/en/MediaInfo https://github.com/MediaArea/MediaInfo

Wiki engine used by Wikipedia

https://www.mediawiki.org/

Wiki engine used by Wikipedia

https://www.mediawiki.org/

Wiki engine used by Wikipedia

https://www.mediawiki.org/

Wiki engine used by Wikipedia

https://www.mediawiki.org/

GNOME visual diff and merge tool

http://meldmerge.org/

High-performance distributed memory object cache system

https://memcached.org/

Stand alone memory test for x86 architecture computers

http://www.memtest86.com/

Library used to read freedesktop.org menus

https://lxde.org/

Advanced menu editor

https://bluesabre.org/projects/menulibre/

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/

OpenGL hardware acceleration drivers for DRI2+

https://www.mesa3d.org/

Mesa Gallium VDPAU drivers

https://www.mesa3d.org/

Mesa Gallium XA state tracker

https://www.mesa3d.org/

OpenGL libraries that support GLX and EGL clients

https://www.mesa3d.org/

Customized version of the Apple Menlo font

https://github.com/andreberg/Meslo-Font

High performance build system

https://mesonbuild.com/

Meson Python build backend (PEP-517)

https://github.com/mesonbuild/meson-python

Window manager for the adult in you

Metalink generation tool

http://metalinks.sourceforge.net/

Implementation of MIME, the Multipurpose Internet Mail Extensions

Package for unstructured graph partitioning

http://glaros.dtc.umn.edu/gkhome/metis/metis/overview

Small, fast Emacs-like editor

https://github.com/ibara/mg

MgOpen greek fonts collection

http://ellak.gr/tag/fonts/

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

http://mhash.sourceforge.net/

Multi HDD [FUSE] File System

http://mhddfs.uvw.ru/

WWW front end for mail archives

http://www.mhonarc.org/

Guidelines Support Library

https://github.com/microsoft/GSL

MidnightBSD desktop environment

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

MidnightBSD desktop environment

http://www.midnightbsd.org/

Helper scripts for MidnightBSD development

Lightweight web browser using WebKit browser engine

https://www.midori-browser.org/