Browser Python runner that executes CPython 3 code via [Pyodide](https://pyodide.org) WebAssembly — full CPython in the browser, no server required.
Recursive-Length Prefix (RLP) coder.
Ethereum Name Service (ENS) Name Normalizer
Utilities and Classes for parsing, formatting and managing Ethereum ABIs.
Base64 coder.
React UI layer for `code-runner` — provides a `useRunner` hook, a `RunnerShell` component, per-language wrapper components, and a unified `CodeRunner` component for running JavaScript, Python, Go, Rust, and Java in the browser.
Cheetah Grid is a high performance grid engine that works on canvas
Shared TypeScript types for the `code-runner` browser code execution library.
Convert longitude-latitude pairs to ISO 3166-1 codes quickly and locally
Python language support for the CodeMirror code editor
Node.js native addon build tool
A pi-based coding agent optimized for small local language models. Reproduces the whitepaper's scaffold-model-fit adaptations as pi extensions.
Python dictionary for cspell.
Lezer-based Python grammar
**@fuel-ts/abi-coder** is a sub-module for interacting with **Fuel**.
Cheetah Speech-to-Text engine for web browsers (via WebAssembly)
Cheetah Grid for Vue.js
Python grammar for tree-sitter
Browser Go runner that compiles and executes Go code via the official [go.dev playground](https://go.dev/play/) API — no local Go installation required.
Web-based terminal emulator using Ghostty's VT100 parser via WebAssembly
Browser JavaScript runner that executes code offline using the native `Function()` constructor — no network required.
Browser Java runner that compiles and executes Java code via the [Piston](https://github.com/engineer-man/piston) open-source code execution engine hosted at emkc.org — no authentication required.
Run VS Code on a remote server.
Generate a changelog for a lerna monorepo