AAT: Application Assembly Tool
ABAP: Advanced Business Application Programming
ACF: Application Configuration File
ACL: Appletalk Class Library
ADAM: ALEPH Digital Asset Module
ADASS: Astronomical Data Analysis Software and Systems
ADB: Apple Desktop Bus
AFR: Alternate Frame Rendering
AIXM: Aeronautical Information eXchange Model
AJAX: Asynchronous JavaScript and XML
ALICE: Artificial Linguistic Internet Computer Entity
ALMA: Arabic Language Multilingual Application
ALSSW: ALS Software
AOCE: Apple Open Collaboration Environment
APA: Abort Programmer Assembly
APC: Asynchronous Pool Cleaning
API: Application Program Interface
API: Application Programming Interface
APL: A Pattern Language
APL: Applications Program Library
APLM: Applications Program Library Maintenance
APM: Application Performance Management
ARAP: Appletalk Remote Access Protocol
ARC: ALEPH Reporting Center
ASA: Adaptive Server Anywhere
ASFP: askSam File Pointer
ASP: Active Server Pages
ASP: Application Service Provider
ASPI: Advanced SCSI Programming Interface
ATAM: Architecture Tradeoff Analysis Method
ATFG: Automatic Test File Generator
AVS: Advanced Visual Systems
AWT: Abstract Windowing Toolkit
BASE: Bielefeld Academic Search Engine
BASE: BioArray Software Environment
BASS: Backup Avionics System Software
BCM: Business Contact Manager
BDE: Borland Database Engine
BFS: Backup Flight Software
BFSS: Backup Flight Software System