Small, fast Emacs-like editor

https://github.com/ibara/mg

Module for additional features with X.Org/XFree86 Matrox driver

http://www.matrox.com/mga/support/drivers/previous/home.cfm

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

http://mhash.sourceforge.net/

MidnightBSD desktop environment

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

Easy-to-use greylist milter for sendmail and postfix

http://hcpnet.free.fr/milter-greylist/

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

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/

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/

Library for multiple-precision floating-point computations

https://www.mpfr.org/

Command-line player for MPEG Layer 1, 2, and 3 audio files

http://www.mpg123.de/

Skins for MPlayer's Graphical User Interface (GUI)

http://www.mplayerhq.hu/

Multithreaded SQL database (client)

http://www.mysql.com/

Multithreaded SQL database (scripts)

http://www.mysql.com/

Multithreaded SQL database (client)

http://www.mysql.com/

Multithreaded SQL database (scripts)

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)

http://www.mysql.com/

Multithreaded SQL database (server)

http://www.mysql.com/

Brian Kernighan's pattern scanning and processing language

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

FTP replacement with advanced user interface

FTP client with advanced user interface

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

Commercial FTP daemon with a 30-day evaluation license

http://www.ncftp.com/ncftpd/

Library for terminal-independent, full-screen output

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

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/

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

Download news articles from NNTP server

Robust and small WWW server

https://nginx.com/

Free open source daemon for Internet Relay Chat (IRC)

https://ngircd.barton.de/

Small build system closest in spirit to Make

https://ninja-build.org/

Netdev config analyzer

http://sourceforge.net/projects/nipper

More functional native binary replacement for /sbin/nologin

Perform consistency checks on DNS zone files

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

Nils Weller's BSD-licensed C-compiler

http://nwcc.sourceforge.net/

Securely delete file[s]

Regular expressions library compatible with POSIX/GNU/Perl

https://github.com/kkos/oniguruma

A BSDL Regular Expressions library compatible with POSIX/GNU/Perl

http://www.geocities.jp/kosako3/oniguruma/

Oniguruma is a regular expressions library

http://www.geocities.jp/kosako3/oniguruma/

Software implementation of the OpenAL specification

http://kcat.strangesoft.net/openal.html

HBCI is a bank-independent homebanking standard

http://openhbci.sourceforge.net

Open source LDAP client implementation

http://www.OpenLDAP.org/