Similar to Zopfli

APBS (software)

Apertium

AppleWin

Aptana

Ark (software)

Arora (web browser)

Audacious (software)

Aufs

AutoKey

Avahi (software)

Avidemux

AviSynth

Bc (programming language)

Berkeley DB

Berry Linux

Binary File Descriptor library

Bhyve

BIRT Project