SpiceyPy: a Pythonic Wrapper for the SPICE Toolkit.

Data driven Astrology 💫
Kerykeion is a python library for astrology. It can generate SVG charts and extract all data about a birthchart, a synastry chart and a transit chart.

Swiss Ephemeris binding for node.js

The astrology software "Astrolog", version 7.70

A Modern Fortran Library for Astrodynamics 🚀

Pure javascript implementation of ephemeris calculations for sun, planets, comets, asteroids and stars.

寿星天文历(万年历)5.10; 更新地址 http://bbs.nongli.net/dispbbs_2_14995.html;

The definitive Swiss Ephemeris bindings for Node.js

🌏 📡 🌏 📡 LEOGPS - Satellite Navigation with GPS on Python!

ANISE provides a toolkit and files for Attitude, Navigation, Instrument, Spacecraft, and Ephemeris data. It's a modern replacement of the NAIF SPICE toolkit.

A program to calculate your ephemerides.

Simulation of the full GPS stack, from satellites' transmission to position calculation at receivers

ES6 "re-implementation" of ephemeris calculations for sun, planets, comets, asteroids and stars.

RINEX File Reader - Supports v2.x (GPS) and v3.x (GPS, GLONASS, GALILEO)

A command-line tool for producing tables of the positions of solar system objects over time.

Swiss Ephemeris for OS X and iOS - project is unmaintained!

Displays time and astrological data (moon phases, positions of planets & celestial points in zodiac)

The Swiss Ephemeris available through Swift Package Manager

Sample code for astrological calculation written by JavaScript

Ephemeris HTTP API