Similar to PowerDNS

Celestia

Moho (software)

Renoise

Rockbox

BIND

Dbndns

Dig (command)

Djbdns

Dnsmasq

NSD

Nslookup

Unbound (DNS server)

Norton ConnectSafe

7-Zip

Amarok (software)

AMule

APBS (software)

Apertium

APT (software)

Aptitude (software)

Aria (storage engine)

Armadillo (C++ library)

Asymptote (vector graphics language)

Audacious (software)

AutoDock

AutoHotkey

Avidemux

Blackbox