The original vi editor

http://ex-vi.sourceforge.net/

The traditional 4.4BSD /bin/csh C-shell

The traditional 4.4BSD rdist

Resolution tool for Intel i915 video cards

Port of various original plan9 tools

http://tools.suckless.org/9base

Find the country that any IP address or hostname originates from

http://dev.maxmind.com/geoip/legacy

Wrapper script for Adobe Reader

Program for sending email messages for CVS repository commits

http://search.cpan.org/dist/activitymail/

Adobe CMap collection

http://partners.adobe.com/asn/tech/type/ftechnotes.jsp

FTP-like shell for accessing Apple II disk images

Approximate grep (fast approximate pattern-matching tool)

Interpreter for purely symbolic LISP

http://www.t3x.org/alisp/

ALSA compatibility library

http://www.alsa-project.org/

ALSA compatibility library plugins

http://www.alsa-project.org/

Apache RealTime log stats

http://www.webta.org/projects/apachetop/

Create & extract files from DOS .ARC files

http://arc.sourceforge.net/

Asynchronous DNS resolver library

ftp://athena-dist.mit.edu/pub/ATHENA/ares/

Setuid wrapper for arts

Programming reference for accessibility/at-spi

http://developer.gnome.org/projects/gap/

Programming reference for accessibility/atk

http://developer.gnome.org/projects/gap/

Wrapper script for GNU autoconf

Automatically configure source code on many Un*x platforms (2.13)

http://sources.redhat.com/autoconf/

Wrapper script for GNU automake

Free real-time logfile analyzer to get advanced web statistics

http://www.awstats.org

Network backup solution (static client)

http://www.bacula.org/

Bacula document set

http://www.bacula.org/

Daemon monitoring the battery level of ACPI-enabled laptops

https://github.com/ntarmos/battmond/

Bruce's C compiler (with as and ld); can do 16-bit code

Formats and converts text documents into compressed PalmDoc .pdb files

http://sourceforge.net/projects/bibelot/

BigReqs extension headers

https://www.freedesktop.org/wiki/Software/xlibs/

A general-purpose parser generator for Python

http://www.4suite.org/index.xhtml

Performance Test of Filesystem I/O

http://blogbench.pureftpd.org/project/blogbench

A simple IRC relay proxy with support for virtual hosting

Garbage collection and memory leak detection for C and C++

http://www.hboehm.info/gc/

Performance Test of Filesystem I/O

http://www.textuality.com/bonnie/

Documentation for libraries from boost.org

https://www.boost.org/

Build tool from the boost.org

https://www.boost.org/

Reference manual of BOUML

http://bouml.free.fr/

The bozotic HTTP server

http://www.eterna.com.au/bozohttpd/

Interactive King James Bible

Boot Splash Image Changer

http://mato.gamato.org/freebsd/

BSD-licensed version of grep

http://www.freebsd.org/projects/ideas/#p-bsdtexttools

Monthly script for reporting anonymous statistics about your machine

http://www.bsdstats.org/

Block-sorting file compressor

https://gitlab.com/federicomenaquintero/bzip2/

Asynchronous DNS resolver library

https://c-ares.haxx.se/

The root certificate bundle from the Mozilla Project

Program to extract Microsoft cabinet (.CAB) files

https://www.cabextract.org.uk/

Mark Crispin's C-client mail access routines

http://www.washington.edu/imap/

Diff readability enhancher for color terminals

https://github.com/ymattw/cdiff

Compare directories and select files to copy

http://home.hccnet.nl/paul.schuurmans/linux/index.html#xdircmp