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Moira - Astronomy-first Python astrology engine
For astrology developers: Moira is a pure-Python ephemeris engine with transparent, reproducible chart computation and inspectable calculation chains.
Built by Daniel Burkett
Design Tools Open Source Free
Visit website → Upvotes · 37
In category: #143 of 453 · Design ToolsTrending this week: #224 of 453 · Design Tools
Moira is a Instant Launch listing on Launch Llama with 37 total upvotes across 3 founder supporters, founded by Daniel Burkett who joined in May 2026, compared against 6 alternatives.
Instant Launch listing
Listing status
37upvotes
Community score
Daniel Burkett (Joined May 2026)
Founder
Compared against 6 alternatives
Market comparison
About
Moira is an astronomy-first astrology engine: a pure-Python ephemeris engine and astrology computation engine built for transparent astrology calculations, reproducible chart computation, and an inspectable calculation chain from astronomical inputs to astrological outputs.
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For agents
llms.txt · llms-full.txt · ai.txt · Live fact sheet · Full catalog (.md) · Endpoint index · API spec · REST access · Agent server · Server manifest · Server discovery
Key Features
- Compute ephemeris data and astrological charts in pure Python
- Inspect calculation chains from astronomical inputs to astrological outputs
- Generate reproducible astrology chart calculations
- Access transparent computation logic for astrology computations
Use Cases
- Integrate Moira's ephemeris engine into astrology apps via its pure-Python API to compute birth charts with transparent, auditable calculation chains
- Use Moira's inspectable calculation methods to verify astrological computations in existing astrology software or research projects
- Build custom astrology tools on top of Moira's open-source codebase to create reproducible chart calculations for specific use cases
- Leverage Moira's astronomy-first approach in educational content or developer documentation to teach how astronomical data maps to astrological outputs
- Deploy Moira as a backend service for astrology platforms requiring transparent, traceable calculations that clients can inspect end-to-end
Pricing
Moira is free to use. See the website for details.
FAQ
What is Moira?
Moira is an astronomy-first astrology engine: a pure-Python ephemeris engine and astrology computation engine built for transparent astrology calculations, reproducible chart computation, and an inspectable calculation chain from astronomical inputs to astrological outputs.
What are the key features of Moira?
Moira includes: • Compute ephemeris data and astrological charts in pure Python • Inspect calculation chains from astronomical inputs to astrological outputs • Generate reproducible astrology chart calculations • Access transparent computation logic for astrology computations • Build astrology applications with explicit, auditable calculations
What can I use Moira for?
• Integrate Moira's ephemeris engine into astrology apps via its pure-Python API to compute birth charts with transparent, auditable calculation chains • Use Moira's inspectable calculation methods to verify astrological computations in existing astrology software or research projects • Build custom astrology tools on top of Moira's open-source codebase to create reproducible chart calculations for specific use cases • Leverage Moira's astronomy-first approach in educational content or developer documentation to teach how astronomical data maps to astrological outputs • Deploy Moira as a backend service for astrology platforms requiring transparent, traceable calculations that clients can inspect end-to-end
How much does Moira cost?
Moira is free to use. See the website for details. You can discover and review Moira for free on Launch Llama.
What category does Moira belong to?
Moira is listed under Design Tools, Open Source, Startups on Launch Llama.
How do I get started with Moira?
Click the "Visit Website" button on this page to go directly to Moira. You can also upvote and leave a review to help other founders discover it.
Supporters
3 founders3 founders contributed 37 upvotes to Moira on Launch Llama.
Reviews
4 comments
Hey, love seeing this here! 👋 What inspired you to build this? Would love to hear the story behind it.
Hey, love seeing this here! 👋 What inspired you to build this? Would love to hear the story behind it.
I built it because I wanted software that was more auditable and comprehensive, that was built on modern software instead of legacy c code
Hey, love seeing this here! 👋 What inspired you to build this? Would love to hear the story behind it.
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