Letter: M
- Macaulay2 - System for algebraic geometry and commutative algebra
- Macaulay2-doc - Macaulay2 documentation
- Macaulay2-emacs - Macaulay2 emacs mode
- Maelstrom - A space combat game.
- MagicPoint - X based presentation software
- MochiKit - A lightweight JavaScript library
- m17n-db - Multilingualization datafiles for m17n-lib
- m17n-db-amharic - m17n-db input table for Amharic
- m17n-db-arabic - m17n-db input table for Arabic
- m17n-db-armenian - m17n-db input table for Armenian
- m17n-db-assamese - m17n-db input table for Assamese
- m17n-db-bengali - m17n-db input table for Bengali
- m17n-db-bopomofo - m17n-db input table for Bopomofo
- m17n-db-chinese - m17n-db input table for Chinese
- m17n-db-common-cjk - m17n-db common files for CJK input
- m17n-db-croatian - m17n-db input table for Croatian
- m17n-db-datafiles - Multilingualization datafiles for m17n-lib
- m17n-db-dhivehi - m17n-db input table for Dhivehi
- m17n-db-farsi - m17n-db input table for Farsi
- m17n-db-generic - Generic m17n-db input tables
- m17n-db-georgian - m17n-db input table for Georgian
- m17n-db-greek - m17n-db input table for Greek
- m17n-db-gujarati - m17n-db input table for Gujarati
- m17n-db-hebrew - m17n-db input table for Hebrew
- m17n-db-hindi - m17n-db input table for Hindi
- m17n-db-japanese - m17n-db input table for Japanese
- m17n-db-kannada - m17n-db input table for Kannada
- m17n-db-kazakh - m17n-db input table for Kazakh
- m17n-db-khmer - m17n-db input table for Khmer
- m17n-db-korean - m17n-db input table for Korean
- m17n-db-lao - m17n-db input table for Lao
- m17n-db-latin - m17n-db input table for Latin
- m17n-db-malayalam - m17n-db input table for Malayalam
- m17n-db-myanmar - m17n-db input table for Myanmar
- m17n-db-nepali - m17n-db input tables for Nepali
- m17n-db-oriya - m17n-db input table for Oriya
- m17n-db-punjabi - m17n-db input table for Punjabi
- m17n-db-russian - m17n-db input table for Russian
- m17n-db-serbian - m17n-db input table for Serbian
- m17n-db-sinhala - m17n-db input table for Sinhala
- m17n-db-slovak - m17n-db input table for Slovak
- m17n-db-swedish - m17n-db input table for Swedish
- m17n-db-syriac - m17n-db input table for Syriac
- m17n-db-tamil - m17n-db input table for Tamil
- m17n-db-telugu - m17n-db input table for Telugu
- m17n-db-thai - m17n-db input table for Thai
- m17n-db-tibetan - m17n-db input table for Tibetan
- m17n-db-vietnamese - m17n-db input table for Vietnamese
- m17n-lib - Multilingual text library
- m17n-lib-devel - m17n-lib development files
- mach - make a chroot
- mail-notification - Status icon that informs you if you have new mail
- makebootfat - Utility for creation bootable FAT disk
- man-pages-uk - Ukrainian man pages from the Linux Documentation Project
- manaworld - 2D MMORPG world
- manedit - GUI editor for creating man pages
- mantis - Web-based bugtracking system
- mantis-config-httpd - Mantis configuration for Apache httpd
- mathml-fonts - Mathematical symbol fonts
- maxima - Symbolic Computation Program
- maxima-gui - Tcl/Tk GUI interface for maxima
- maxima-runtime-sbcl - Maxima compiled with SBCL
- maxima-src - maxima lisp source code
- mboxgrep - Displays e-mail messages matching a pattern
- mbuffer - Measuring Buffer is an enhanced version of buffer
- mcrypt - Replacement for crypt()
- meanwhile - Lotus Sametime Community Client library
- meanwhile-devel - Header files, libraries and development documentation for meanwhile
- meanwhile-doc - Documentation for the Meanwhile library
- mediawiki - The PHP-based wiki software behind Wikipedia
- mediawiki-math - Mathematical formula support for MediaWiki
- meld - Visual diff and merge tool
- mercurial - A fast, lightweight distributed source control management system
- metakit - Embeddable database
- metakit-devel - Header files and development documentation for metakit
- metamonitor - A Simple program that watches log files and popup its changes
- metapixel - A Photomosaic Generator
- mew - Mew - Messaging in the Emacs World.
- mew-common - Mew - Common files of Messagin in the Emacs World
- mew-xemacs - Mew - Messaging in the Emacs World for XEmacs
- mfstools - Utilities for TiVo drive upgrades
- mftrace - Utility for converting TeX bitmap fonts to Type 1 or TrueType fonts
- mgopen-fonts - Truetype greek fonts
- mhash - Thread-safe hash algorithms library
- mhash-devel - Header files and libraries for developing apps which use mhash
- mhonarc - Perl mail-to-HTML converter
- milter-greylist - Milter for greylisting, the next step in the spam control war
- milter-greylist-sysv - Sysv initscripts for milter-greylist
- milter-regex - Sendmail milter plugin for regular expression filtering
- mimetex - Easily embed LaTeX math in web pages
- mimetic - A full featured MIME library written in C++
- mimetic-devel - Files for development of applications which will use mimetic
- mlmmj - Mailserver-independent ezmlm-like mailing list manager
- mlton - Optimizing compiler for Standard ML
- mm - Shared memory allocation library
- mm-devel - Header files and libraries for mm development
- mmv - Move/copy/append/link multiple files
- mock - Builds packages inside chroots
- mod_annodex - Apache module for server-side support of annodex media
- mod_auth_pam - PAM authentication module for Apache
- mod_cband - Bandwidth limiting for virtual hosts
- mod_extract_forwarded - Extract real source IP for forwarded HTTP requests
- mod_geoip - GeoIP module for the Apache HTTP Server
- mod_q - An embedded Q interpreter for the Apache Web server
- mod_security - Security module for the Apache HTTP Server
- mod_suphp - An apache2 module for executing PHP scripts with the permissions of their owners
- modplugplay - Command line mod player
- moin - MoinMoin is a Python clone of WikiWiki
- moin-latex - LaTeX plugin for the MoinMoin wiki
- monotone - A free, distributed version control system
- monotone-server - Standalone server setup for monotone
- monsterz - Puzzle game, similar to Bejeweled or Zookeeper
- monsterz-data - Data files for the game monsterz
- moodle - A Course Management System
- moodle-af - Moodle language pack for Afrikaans
- moodle-ar - Moodle language pack for Arabic
- moodle-be - Moodle language pack for Byelorussian
- moodle-bg - Moodle language pack for Bulgarian
- moodle-bs - Moodle language pack for Bosnian
- moodle-ca - Moodle language pack for Catalan
- moodle-cs - Moodle language pack for Czech
- moodle-da - Moodle language pack for Danish
- moodle-de - Moodle language pack for German
- moodle-el - Moodle language pack for Greek
- moodle-es - Moodle language pack for Spanish
- moodle-et - Moodle language pack for Estonian
- moodle-eu - Moodle language pack for Basque
- moodle-fa - Moodle language pack for Persian
- moodle-fi - Moodle language pack for Finnish
- moodle-fr - Moodle language pack for French
- moodle-ga - Moodle language pack for Irish
- moodle-gl - Moodle language pack for Galician
- moodle-he - Moodle language pack for Hebrew
- moodle-hu - Moodle language pack for Hungarian
- moodle-id - Moodle language pack for Indonesian
- moodle-it - Moodle language pack for Italian
- moodle-ja - Moodle language pack for Japanese
- moodle-ka - Moodle language pack for Georgian
- moodle-km - Moodle language pack for Cambodian
- moodle-kn - Moodle language pack for Kannada
- moodle-ko - Moodle language pack for Korean
- moodle-lt - Moodle language pack for Lithuanian
- moodle-lv - Moodle language pack for Latvian
- moodle-mi - Moodle language pack for Maori
- moodle-ms - Moodle language pack for Malay
- moodle-nl - Moodle language pack for Dutch
- moodle-nn - Moodle language pack for Norwegian Nynorsk
- moodle-no - Moodle language pack for Norwegian Bokmal
- moodle-pl - Moodle language pack for Polish
- moodle-pt - Moodle language pack for Portuguese
- moodle-ro - Moodle language pack for Romanian
- moodle-ru - Moodle language pack for Russian
- moodle-sk - Moodle language pack for Slovak
- moodle-sl - Moodle language pack for Slovenian
- moodle-sq - Moodle language pack for Albanian
- moodle-sr - Moodle language pack for Serbian
- moodle-sv - Moodle language pack for Swedish
- moodle-th - Moodle language pack for Thai
- moodle-tl - Moodle language pack for Tagalog
- moodle-tr - Moodle language pack for Turkish
- moodle-uk - Moodle language pack for Ukrainian
- moodle-vi - Moodle language pack for Vietnamese
- moodle-zh - Moodle language pack for Chinese
- moodss - Powerful modular monitoring graphical application
- moomps - Powerful modular monitoring service
- most - more, less, most
- mozilla-opensc-signer - Digital signature plugin for web browsers
- mpc - Command-line client for MPD
- mtd-utils - Utilities for dealing with MTD (flash) devices
- multisync - Calendar (and other PIM data) synchronization program
- multisync-gui - GUI interface for multisync
- multitail - View one or multiple files like tail but with multiple windows
- munin - Network-wide graphing framework (grapher/gatherer)
- munin-node - Network-wide graphing framework (node)
- mysql-administrator - GUI to manage mysql Databases
- mysql-gui-common - Common data shared among the MySQL GUI Suites