Similar to GNU_Core_Utilities

AV1

Avidemux

AviSynth

Axiom (computer algebra system)

Berry Linux

BIRT Project

Blackbox

Blink (browser engine)

Bochs

Boo (programming language)

BootX (Apple)

Botan (programming library)

Brackets (text editor)

Brotli

BSD libc

Budgie (desktop environment)

C-Store

Cacti (software)

Caddy (web server)