Programmable completion library for Bash

https://github.com/scop/bash-completion

GNUstep battery monitor for laptops

http://www.nongnu.org/gap/batmon/index.html

Monsters, explosions, destruction game for X Window System

https://www.evl.uic.edu/aej/AndyBattalion.html

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

Convert X font from BDF to PCF

https://www.x.org/archive/X11R6.8.1/doc/bdftopcf.1.html

Collect logs locally and send to remote logstash

https://www.elastic.co/products/beats/

Sample screen saver for X

Simple ifcico like Fidonet technology mailer

Simple ifcico like Fidonet technology mailer

Formats and converts text documents into compressed PalmDoc .pdb files

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

Command line tools from BIND: delv, dig, host, nslookup...

https://www.isc.org/bind/

BIND DNS suite with updated DNSSEC and DNS64

https://www.isc.org/downloads/bind/

BIND DNS suite with updated DNSSEC and DNS64

https://www.isc.org/software/bind

RRDtool frontend for BIND statistics

https://www.linux.it/~md/software/

GNU binary tools

https://www.gnu.org/software/binutils/

Parser generator from FSF, (mostly) compatible with Yacc

https://www.gnu.org/software/bison/

IRC to other chat networks gateway

https://www.bitlbee.org/

Bitmap editor and converter utilities for X

Bitstream Vera TrueType font collection

https://www.gnome.org/fonts/

Small and fast window manager for X11R6

http://blackboxwm.sourceforge.net/

Basic Linear Algebra Subroutines

http://www.netlib.org/blas/

Performance Test of Filesystem I/O

https://github.com/jedisct1/Blogbench

HTML editor designed for the experienced web designer

https://bluefish.openoffice.nl/

Integrated Java environment designed for introductory teaching

https://www.bluej.org/

Portable version of NetBSD 'make' utility

http://www.crufty.net/help/sjg/bmake.html

Construct Makefile dependency list

http://netbsd.org

A simple IRC relay proxy with support for virtual hosting

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

https://www.hboehm.info/gc/

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

https://www.hboehm.info/gc/

Fast, teachable, learning spam detector

https://bogofilter.sourceforge.io/

Performance Test of Filesystem I/O

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

Synchronize bookmarks between multiple browsers

http://bookmarkbridge.sourceforge.net/

The "meta-port" for boost libraries

https://www.boost.org/

Documentation for libraries from boost.org

https://www.boost.org/

Build tool from the boost.org

https://www.boost.org/

Free portable C++ libraries (without Boost.Python)

https://www.boost.org/

Framework for interfacing Python and C++

https://www.boost.org/

Oracle's Java 6 virtual machine release under the GPL v2

http://openjdk.java.net/

Bozotic HTTP server from NetBSD

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

Generic-purpose lossless compression algorithm

https://github.com/google/brotli

Interactive King James Bible

Boot Splash Image Changer

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

BSD licensed charset/encoding converter library

https://github.com/buganini/bsdconv

BSD-licensed version of grep

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

Monthly script for reporting anonymous statistics about your machine

https://www.bsdstats.org/

Beanshell Java scripting language

http://www.beanshell.org/

3D collision detection and rigid body dynamics library

http://www.bulletphysics.com/

Block-sorting file compressor

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

Asynchronous DNS resolver library

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