Similar to GnuTLS

Bc (programming language)

Berkeley DB

Berry Linux

Bhyve

BIRT Project

Blackbox

Bochs

Boo (programming language)

BootX (Apple)

Brackets (text editor)

BSD libc

C-Store

Cacti (software)

Caddy (web server)

CakePHP

Calibre (software)

Capistrano (software)

Ccache

Cdb (software)

Cdparanoia

Cdrkit