A tacit array programming language

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🧩 Shape-Safe Symbolic Differentiation with Algebraic Data Types

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A functional, flexible and concise Lisp.

• UpdatedAug 5, 2025
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Scientific computing with Perl

• UpdatedFeb 20, 2026
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An introduction to the J programming language that gets to the point.

• UpdatedDec 6, 2025
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💐 j is a subset of J, and an essay.

• UpdatedJul 24, 2025
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N-dimensional / multi-dimensional arrays (tensors) in Scala 3. Think NumPy ndarray / PyTorch Tensor but type-safe over shapes, array/axis labels & numeric data types

• UpdatedDec 22, 2022
• Scala

k interpreter

• UpdatedFeb 4, 2026
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Online REPL for BQN

• UpdatedAug 13, 2023
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APL machine learning library

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emacs major mode for working with ngnk

• UpdatedFeb 2, 2026
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A basic Lisp interpreter implemented in Elixir.

• UpdatedJan 23, 2022
• Elixir

Emacs mode for uiua, a stack-based array language

• UpdatedNov 21, 2025
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Interpreter in Fortran that can handle scalars and 1D arrays, with access to intrinsics and statistical functions and plotting with gnuplot

• UpdatedFeb 9, 2026
• Fortran

Probabilistic programming with vectorized programmable inference

• UpdatedFeb 20, 2026
• Python

Source-to-source autodiff for APL

• UpdatedMay 11, 2025
• Python

C++20 library that mostly implements the vector and matrix transparent basic types from GLSL Spec 4.6

• UpdatedJan 28, 2026
• C++

An n-dimensional array library for the Odin programming language

• UpdatedJun 10, 2023
• Odin

• UpdatedMar 25, 2022
• HTML

Ari: Goal Programming + SQL

• UpdatedJan 19, 2026
• Go