Similar to Ingres

Bc (programming language)

Berry Linux

Binary File Descriptor library

Bhyve

BIRT Project

Blackbox

Blink (browser engine)

Bochs

Boo (programming language)

BootX (Apple)

Botan (programming library)

Brackets (text editor)

Brotli

BSD libc

Budgie (desktop environment)

Cacti (software)

Caddy (web server)

CakePHP

Calibre (software)

Capistrano (software)

Ccache

Cdparanoia