Description:
Dynamic language and bytecode vm
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Type: Formula
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Latest Version: 1.40.1@0
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Tracked Since: Nov 17, 2025
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Links:
Homepage |
@janet_lang |
formulae.brew.sh
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Category: Developer tools
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Tags:
language
vm
scripting
embedded
lisp
bytecode
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Install:
brew install janet
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About:
Janet is a functional and imperative programming language with a powerful macro system and a compact bytecode virtual machine. It features first-class coroutines, rich data structures, and a C-like API for easy native extension. Designed for simplicity and embeddability, it serves well for scripting, configuration, and rapid application development.
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Key Features:
- Embedded bytecode virtual machine for high performance
- Powerful hygienic macro system for language extension
- First-class coroutines and concurrency primitives
- Rich standard library with immutable data structures
- Simple C API for embedding and creating native modules
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Use Cases:
- Scripting and automation for applications
- Configuration and extension of complex systems
- Embedding in C/C++ projects for a flexible scripting layer
- Rapid prototyping and domain-specific language creation
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Alternatives:
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lua
– Lua is more widely embedded but Janet offers a richer standard library and modern syntax.
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scheme
– Scheme standards vary; Janet provides a single, consistent implementation with built-in tooling.
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python
– Python is heavier and has a larger runtime; Janet is designed for minimal footprint and fast startup.
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