OneAstra is an AI-powered Vedic astrology platform offering free Kundli generation, 16 divisional charts (Shodashvarga), Vimshottari Dasha timelines, Chaldean Numerology, Manglik & Kalsarp Dosh detection, daily horoscopes, marriage compatibility, and 24×7 AI astrologer chat. Built on classical Vedic mathematics + modern AI.