Astro: Go Astronomy Algorithms Library - Chinese Lunar Calendar, Solar/Lunar Eclipses, Sun/Moon/Planet Positions, Rise/Set, Planet Events, Stars, Coordinates, Orbits, Sundials and Lightweight Ephemerides (天文算法 Go 库：农历、日月食、日月行星位置、升落、行星天象、恒星、坐标、轨道、日晷与轻量星历)

This project is a Node.js wrapper for Swiss Ephemeris (Swisseph) – a high-precision astronomical and astrological calculation engine developed by Astrodienst. Powered by NASA’s JPL DE data, Swiss Ephemeris delivers extremely accurate planetary positions, house systems, nakshatras, tithis, yoga, eclipses, and other essential components for astrology

PHP 8.3+ FFI wrapper for the Swiss Ephemeris C library with 1:1 API coverage, prebuilt binaries, and Laravel support.

World's first Vedic Astrology MCP Server — connect Claude, ChatGPT, Cursor, or any AI to real Vedic astrology. Horoscope predictions, compatibility matching, numerology, planetary positions, yogas & house analysis via MCP.

Pure Python ctypes FFI wrapper for the Swiss Ephemeris C library

Lightweight Vedic (sidereal) ephemeris - Ascendant (Lagna), Sun, Moon & planet positions using Jean Meeus algorithms with Lahiri ayanamsa. Zero dependencies.

Caelis Engine v4.0.0, Deterministic astronomical computation engine for JavaScript. VSOP87B + ELP/MPP02-LLR. No server. No API key. No dependencies. Schema v3.1.

n8n community node for Astrology API - professional astrological calculations, charts, horoscopes, and interpretations

Independent C ephemeris engine with JPL/CALCEPH, Moshier, VSOP87, ELP2000, Meeus, eclipse, and astrology/astronomy APIs.

PHP FFI wrapper for the JPL Moshier Ephemeris native library with JME API, runtime binaries, and JPL kernel support.

Pure Dart FFI wrapper for the JPL Moshier Ephemeris C library with raw jme_* access and bundled jme plus calceph runtimes

Dart/Flutter SDK for the Astrology API v3. 16 API categories: natal charts, horoscopes, planetary positions, tarot, numerology, lunar phases, astrocartography, and more.

Pure Python ctypes FFI wrapper for the JPL Moshier Ephemeris C library with raw jme_* access and bundled jme plus calceph runtimes

🔭 Ephemeris is a .NET library for astronomical calculations — from Julian dates to sunsets, planetary positions to eclipses.