Austria - Autriche - Österreich

Application Under Test, the software that is to be tested (by other software)

The Aristotle University of Thessaloniki in Greece

The ISO 3166-1 3-letter country code for Austria

The Association of University Teachers in the United Kingdom

Application Unit Testing, a test technique in computer programming

The Auckland University of Technology, New Zealand

The Amirkabir University of Technology, Iran

The IATA airport code for the airport in Atauro, Indonesia.

The American University College of Technology, Lebanon