ALSA
Advanced Linux Sound Architecture
ANSA
Advances Network Systems Architecture
AROSA
Advanced Rollover Systems by Autoliv
ASA
Automatische Spiegelabblendung
ASA
Automatisches Spur und Abbiegesystem
ACNS
Application and Content Networking Software
AOSD
Aspect Oriented Software Development
AOSE
Agent Oriented Software Engineering
ASF
Apache Software Foundation
ASK
Akademische Software Kooperation, Karlsruhe