Aura Astrology is described as '(the old name - "Aura Zodiac") - Professional Astrology Utility' and is an app in the Office & Productivity category. There are three alternatives to Aura Astrology for Windows, Linux and Mac. The best alternative is Maitreya, which is both free and Open Source. Other great apps like Aura Astrology are ZET (Freemium) and Morinus (Free, Open Source).
Maitreya is a software for Vedic and western astrology. First goal is to serve as tool. The software has a lot of standard features for the daily work of western and Vedic astrologers. So it can save their time and energy; they can concentrate on the work of interpretation.
Morinus is an easy to use astrology software under GPLv3 license. It uses the swiss ephemeris so it's very accurate (5000BC - 5000AD). It runs on every Operating System where Python and wxPython are available(Linux, Unix, Windows, MacOS).