synastry

Data-Driven Astrology 💫 Kerykeion is a Python library for astrology. It generates SVG charts and extracts detailed structured data for birth charts, synastry, transits, composite charts, and more.

Astrological charting for JavaScript and TypeScript: natal, transit, synastry, composite and Davison charts from the Swiss Ephemeris via the Morphemeris API. ESM-only, runs in Node and the browser, bring your own API key.

A modern Python library for astrological chart calculation, visualization, reporting and data analysis. Built on the Swiss Ephemeris for astronomical accuracy.

Astrology MCP server & Agent Skill — birth charts, transits, synastry across Western, Vedic/Jyotish & Chinese BaZi. Deterministic zero-dependency Python engine. 18 MCP tools, 31 REST endpoints, ChatGPT Action. Free & self-hostable.

🔮 Eleven traditional divination systems (Western astrology · BaZi · 紫微斗數 · I Ching · Jyotiṣa …) as deterministic Python engines with bilingual AI readings — real-astronomy charts, transits, progressions, synastry, group & multi-year forecasts.

A modern, web-based astrocartography tool.

Full-spectrum astrological computation engine. Swiss Ephemeris on bare metal. 16 CLI modes: natal, transit, synastry, composite, solar return, progressions, lunar, planetary hours, Arabic Lots, Hellenistic, dignities, antiscia, prediction, geoastrology, aspect grids. Norse/Rune overlays.

Official MCP server for the AstroWay Calculation API — astrology tools for Claude Desktop, Cursor, Windsurf and any MCP client. Auto-generated from the live OpenAPI spec: natal charts, synastry, transits, Vedic dashas, Tarot, Human Design, AI horoscopes via Model Context Protocol.

AstroGods provides in-depth birth chart interpretations, synastry analysis for relationships, daily and monthly transit readings

Software libre de astrología profesional (Python 3 + GTK 3) | Free professional astrology software — fork de OpenAstro.org

PHP 8.1+ SDK client for the Astrology API v3 — natal charts, horoscopes, Vedic, Tarot, numerology, Human Design, and 25+ more categories with built-in validation, retries, and logging.

An astrological calculation REST API. Provides endpoints for natal charts, planetary positions, retrograde calendars, transits, progressions, synastry, composite charts, solar returns, and daily/weekly/yearly forecasting.

Astrology and tarot toolkit in Portuguese: card readings, synastry calculator with PDF report, ephemeris, natal charts and a browser-based deck manager to import, export and create your own decks. Plain HTML, CSS and JavaScript with no backend, runs on any static host.

Astrological chart calculation on JPL ephemerides in pure Rust, with Python and WebAssembly bindings.

Calculate astrological patterns between two people

App nativa de astrología para macOS en Swift/SwiftUI: cartas natales, sinastría, revoluciones, tránsitos, direcciones, horaria, SQLite y Swiss Ephemeris.

Synastry API for relationship astrology. Inter aspect analysis between two birth charts plus a compatibility score. Working code samples, one key.

Official Python client for the AstroMansion astrology API

OpenAPI 3.1 spec for the AstroWay astrology API — natal charts, synastry, transits, Vedic, Human Design, Tarot, Numerology. Generate a typed client in any language.

Official Python SDK for the AstroWay API — sync + async clients, Pydantic models, type-safe, retry-aware, generated from OpenAPI 3.1. Natal charts, synastry, transits, Vedic, Tarot, Human Design, AI horoscopes. Python 3.10+, py.typed.