A Linux-like container that runs entirely inside Node.js — POSIX shell, ~140 coreutils, Node.js and Python runtimes, virtual filesystem and networking. No Docker, no VM, no native modules.

Sprigr browser search engine — WASM full-text, faceted and hybrid semantic search that runs entirely client-side.

yac relies entirely on convict and only configures it to parse YAML configuration files by default through JS-YAML

The command line interface for Jimp, an image processing library for Node written entirely in JavaScript.

High-performance structural engineering FEM solver compiled from Rust to WebAssembly. Runs entirely in the browser — no server round-trip per calculation.

Optional default theme for Roadline, built entirely on CSS custom properties.

Product Requirement MCP server — structured requirement-gathering with experts and reviewers, driven entirely from your own MCP client. No server-side LLMs.

Bare dev-tools panels (event log, canvas state, history, object hierarchy, perf stats) for the FabricJS Design Tool v2, built entirely from public API.

Run [esbuild](https://esbuild.github.io/) entirely in the browser using WebAssembly. Bundle JavaScript/TypeScript code, install npm packages, and serve the output—all without a backend.

Holder uses CANVAS to render image placeholders entirely in browser.

TTFjs is a TrueType font parser entirely written in JavaScript and compatible to both Node.js and the Browser.

A Z80 assembler entirely written in Typescript and derived from a PEG grammar.

A lightweight, high-performance, isomorphic HTML text extractor and sanitizer built entirely in TypeScript. It safely strips out targeted layout elements or malicious scripts and returns clean, whitespace-normalized text.

A vertical Slider for React Native written entirely in javascript.

The built-in polling-gate suite (CI, merge-conflicts, post-release health + the on-call escalation) for the Agent Architecture Board, authored entirely through the public gate-registry seam — depends only on @cat-factory/kernel + @cat-factory/contracts, n

Zero-dependency TypeScript Terminal UI component library — spinners, progress bars, tables, inputs, and more, built entirely on ANSI escape codes.

Run an API Gateway + Lambda app locally over HTTP, driven entirely by cdk synth output.

A floating, resizable chat widget powered entirely by Chrome's on-device AI, grounded in context you provide.

A blazing-fast, full-featured process manager built entirely on Bun native APIs. The modern PM2 replacement — zero Node.js dependencies, pure Bun performance.

entirely-school-thus