Similar to GNU_Core_Utilities

Arora (web browser)

Aufs

AutoKey

AV1

Avidemux

AviSynth

Axiom (computer algebra system)

Bc (programming language)

Berry Linux

BIRT Project

Blackbox

Bochs

Boo (programming language)

BootX (Apple)

Botan (programming library)

Brackets (text editor)

Brotli

BSD libc