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astroz

The premium Open Source alternative to AGI STK (Systems Tool Kit)

🎯 Best for:Space mission designers requiring high-performance computational tools.
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GPL-3.0License

What is astroz?

Replaces proprietary orbital mechanics software like STK for mission analysis and satellite tracking. Features high-performance orbit propagation and native CCSDS packet parsing implemented in the Zig language.

Tech Stack
ZigPhysics & Astronomy

Why astroz?

  • • Memory-safe performance via Zig
  • • Native CCSDS and RF parsing
  • • Lightweight binary footprint

Limitations

  • • Steep learning curve for Zig
  • • Niche community support
  • • Lack of a graphical user interface
3/1/2026
Last Update
11
Forks
1
Issues
GPL-3.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to astroz instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on AGI STK (Systems Tool Kit))
Self-Hosted
$0
/ year
Team Size10 Users
150+
Launch Detailed Calculator
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