Graphical Package Manager for MidnightBSD

http://github.com/laffer1/mport-manager

Build platform for .NET and Visual Studio

https://github.com/Microsoft/msbuild

SMTP plugin for MUAs

https://marlam.de/msmtp/

A collection of tools for manipulating MSDOS files

http://www.gnu.org/software/mtools/intro.html

Authentication service for creating and validating credentials

https://dun.github.io/munge/

Common components between a munin node and server

https://munin-monitoring.org/

Collector part of Munin

https://munin-monitoring.org/

Node-specific part of Munin

https://munin-monitoring.org/

Remote-controllable music daemon

https://www.musicpd.org/

Small but powerful text based program for read/writing e-mail

http://www.mutt.org/

Window and compositing manager based on Clutter

https://gitlab.gnome.org/GNOME/mutter

Brushes used by MyPaint and other software using libmypaint

https://github.com/mypaint/mypaint-brushes

Brushes used by MyPaint and other software using libmypaint

https://github.com/mypaint/mypaint-brushes

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/

Multithreaded SQL database (client)

https://www.mysql.com/

Multithreaded SQL database (server)

https://www.mysql.com/

Multithreaded SQL database (client)

https://www.mysql.com/

Multithreaded SQL database (server)

http://www.mysql.com/

Assist you with MySQL Configuration

https://github.com/major/MySQLTuner-perl

Simple thesaurus library

http://hunspell.github.io/

Powerful network monitoring system

https://www.nagios.org/

Plugins for Nagios

https://www.nagios-plugins.org/

Powerful network monitoring system

https://www.nagios.org/

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/

Socket library that provides several common communication patterns

https://nanomsg.org/

Network Audio System

http://radscan.com/nas.html

General-purpose multi-platform x86 and amd64 assembler

https://www.nasm.us/

File manager for the GNOME desktop

https://wiki.gnome.org/Apps/Nautilus

Brian Kernighan's pattern scanning and processing language

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

FTP client with advanced user interface

https://www.ncftp.com/ncftp/

Library for terminal-independent, full-screen output

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

Athena Widgets with N*XTSTEP appearance

http://siag.nu/neXtaw/

HTTP and WebDAV client library for Unix systems

https://notroj.github.io/neon/

Developer-targeted fonts with a high number of glyphs

https://nerdfonts.com/

Extendable SNMP implementation

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

File server for Mac OS X

http://netatalk.sourceforge.net/

Modular, standards-based integrated development environment

https://netbeans.apache.org/

Simple utility which reads and writes data across network connections

http://nc110.sourceforge.net/

Objective-C framework for socket programming with GNUstep

http://gap.nongnu.org/talksoup/

Network benchmark

http://www.ars.de/ars/ars.nsf/docs/netio/

Toolkit for conversion of images between different formats

http://netpbm.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/

Java NIO client server framework

https://netty.io/