#interpreter

A Python Interpreter written in Rust

Virtual Bash interpreter with a virtual file system for multi-tenant environments.

A lightweight Traits like module

State machines, statecharts, and actors for complex logic

A jq-like Markdown query language for command-line processing

Jupyter Notebook Conversion

Reference implementation of the Jupyter Notebook format

WebAssembly (Wasm) Interpreter - An efficient, lightweight, and deterministic WebAssembly interpreter for embedded systems and plug-in runtimes.

FEEL parser and interpreter written in Scala

Jupyter protocol client APIs

Almost Clojure written in Go.

jQuery Terminal Emulator - JavaScript library for creating web-based terminals with custom commands

The miniature, embeddable R7RS Scheme implementation

Python interpreter discovery

Zero-dependency TypeScript implementation of Symfony's Expression Language. Safely parse and evaluate dynamic expressions in Node and the browser, with ESM/CJS/UMD builds and full typings.

Configurable Clojure/Script interpreter suitable for scripting and Clojure DSLs

A text templating solution built on top of FEEL

A comprehensive, from-scratch Java Virtual Machine built in Rust, featuring a modular architecture, full bytecode support, and JNI integration

Jupyter Notebook as a Jupyter Server extension

Fast and lightweight parser creation tools

A shell parser, formatter, and interpreter with bash and zsh support; includes shfmt

A flight-compliant WebAssembly interpreter.

An orchestration DSL and embedded runtime for hosting agentic systems. Durable, inspectable workflows with deterministic step ordering, running in-process under a capability jail — the model lives in your host, not in the runtime. 30+ companion packages for memory, transport and governance.