numbat

The premium Open Source alternative to WolframAlpha

🎯 Best for:Engineers and scientists who require rigorous unit validation in their calculations.
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What is numbat?

A domain-specific language designed to eliminate dimensional errors in scientific calculations by treating physical units as first-class types. It provides a high-level syntax for complex math involving SI and non-SI units with compile-time safety.

Tech Stack
RustMathematics & Statistics

Why numbat?

  • Prevents dimensional errors
  • Extensive unit library
  • Fast Rust-based execution

Limitations

  • New language to learn
  • CLI-focused interface
  • Limited plotting features
3/6/2026
Last Update
98
Forks
99
Issues
Apache-2.0
License
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Competitor Cost
-$1,440
/ year (est. based on WolframAlpha)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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