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

MS-DOS Telix serial communication program "workalike"

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

Program to create Compose cache files

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/

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

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-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/

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/

Node-specific part of Munin

https://munin-monitoring.org/

Convert a MySQL dump to a PostgreSQL dump

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

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/

Small weblog engine written in Bash for the command line

http://nanoblogger.sourceforge.net/

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

Library for terminal-independent, full-screen output

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

HTTP and WebDAV client library for Unix systems

http://www.webdav.org/neon/

Extendable SNMP implementation

http://net-snmp.sourceforge.net/

Simple utility which reads and writes data across network connections

http://nc110.sourceforge.net/

Network performance benchmarking package

http://www.netperf.org/

Self-scaling network benchmark

http://bitspjoule.org/netpipe/

Low-level cryptographic library

https://www.lysator.liu.se/~nisse/nettle/

Implementation of AT&T Research UNIX V8 newer(1)

Download news articles from NNTP server

Robust and small WWW server

https://nginx.com/

Small build system closest in spirit to Make

https://ninja-build.org/

Netdev config analyzer

http://sourceforge.net/projects/nipper

Console application which monitors network traffic in real time

http://www.roland-riegel.de/nload/

Cleaned up MH mailer suite

http://savannah.nongnu.org/projects/nmh/

V8 JavaScript for client and server (meta port)

https://nodejs.org/ https://github.com/nodejs/node

More functional native binary replacement for /sbin/nologin

Perform consistency checks on DNS zone files

http://ee.lbl.gov/ftp.html

Platform-neutral API for system level and libc like functions

https://developer.mozilla.org/docs/Mozilla/Projects/NSPR

Libraries to support development of security-enabled applications

https://developer.mozilla.org/docs/Mozilla/Projects/NSS

The Network Time Protocol Distribution

https://www.ntp.org/

Nutrition software to record what you eat

http://nut.sourceforge.net/

Development snapshot of the world-renown nvi editor

http://www.kotnet.org/~skimo/nvi/