Arx

Arx, ARX, or ArX may refer to:

ARX (operating system), an operating system
Arx, the aristaless related homeobox gene and protein
Arx, Landes, a commune of the Landes département in France
ArX (revision control), revision control software
ObjectARX, a software API for AutoCAD
ARX Ltd, a company that provides pharmacy automation, primarily in the UK
Arx (Roman), a Roman citadel, and in particular:
- The northern hump of the two forming the Capitoline Hill of ancient Rome
Arx Fatalis, a first person role-playing game developed by Arkane Studios in 2002
Add-Rotate-Xor, a class of algorithms in symmetric cryptography

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