Lua bindings to libraries using GObject-Introspection

https://github.com/pavouk/lgi

Small, compilable scripting language providing easy access to C code

https://www.lua.org/

Small, compilable scripting language providing easy access to C code

https://www.lua.org/

Just-In-Time Compiler for Lua

https://luajit.org/luajit.html

Locale and ISO 2022 support for Unicode terminals

https://invisible-island.net/luit/

Display the moon's phase

http://www.vector.co.jp/soft/dos/edu/se004823.html

GNUstep news reader

Lightweight C++ API for Lua

https://github.com/jmmv/lutok/

Open standard for audio plugins (successor to LADSPA)

https://lv2plug.in/

Non-graphical, text-based World-Wide Web client

https://lynx.invisible-island.net/

Lossless data compressor based on the LZMA algorithm

https://www.nongnu.org/lzip/

High-ratio LZMA compressor

https://www.7-zip.org/sdk.html

Portable speedy, lossless data compression library

https://www.oberhumer.com/opensource/lzo/

Fast file compressor similar to gzip, using the LZO library

https://www.lzop.org/

Data files for the m17n library

http://www.nongnu.org/m17n/

The m17n library documentation

http://www.nongnu.org/m17n/

Library for multilingual text handling

http://www.nongnu.org/m17n/

GNU M4

https://www.gnu.org/software/m4/m4.html

Bonjour (zero-configuration networking) by Apple

https://developer.apple.com/bonjour/ https://github.com/apple-oss-distributions/mDNSResponder

Apple mDNS responder - BSD nsswitch module

https://opensource.apple.com/tarballs/mDNSResponder/

Madplay MP3 player (part of MAD project)

https://www.underbit.com/products/mad/

Magus runtime utilities for build cluster

Utilities, daemons, and filters for processing e-mail

https://mailutils.org/

Dependency generator for makefiles

https://www.x.org/archive/X11R7.5/doc/man/man1/makedepend.1.html

Perl scripts to assist in the generation and application of patches

https://www.vromans.org/johan/software/sw_makepatch.html

Convert man pages to HTML

https://man2web.sourceforge.net/

UNIX manual page editor and viewer

http://freecode.com/projects/manedit

Multithreaded SQL database (client)

http://mariadb.org/

Multithreaded SQL database (server)

http://mariadb.org/

Wrapper script for the various installations of Maven

Interpreter for the AWK Programming Language

https://invisible-island.net/mawk/

Converts mbox mailboxes to Maildir

http://batleth.sapienti-sat.org/projects/mb2md/

Motherboard monitor for LM78/79, W8378x, AS99127F, VT82C686 and ADM9240

http://www.nt.phys.kyushu-u.ac.jp/shimizu/download/download.html

Midnight Commander, a free Norton Commander clone

https://midnight-commander.org/

Lightweight Midnight Commander clone

http://mc.linuxinside.com/

Collects and decodes Machine Check Exception data

https://github.com/andikleen/mcelog/

Replacement for crypt(1)

https://mcrypt.sourceforge.net/

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

https://github.com/mdbtools/mdbtools/

Alcohol 120% to ISO converter

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

Open Source implementation of the Lotus Sametime protocol

http://meanwhile.sourceforge.net/

GNOME visual diff and merge tool

http://meldmerge.org/

Utility to test for faulty memory subsystem

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

Stand alone memory test for x86 architecture computers

http://www.memtest86.com/

Fast, lightweight source control management system

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

OpenGL hardware acceleration drivers for DRI2+

https://www.mesa3d.org/

OpenGL libraries that support GLX and EGL clients

https://www.mesa3d.org/

High performance build system

https://mesonbuild.com/

Window manager for the adult in you

Metalink generation tool

http://metalinks.sourceforge.net/

Implementation of MIME, the Multipurpose Internet Mail Extensions