Automatically provisions and renews Let’s Encrypt TLS certificates on Node.js https servers (including Kitten, Polka, Express.js, etc.)

Automatically provisions and installs locally-trusted TLS certificates for Node.js https servers in 100% JavaScript.

Add required argument checking to your functions.

A drop-in standard Node.js HTTPS module replacement with both automatic development-time (localhost) certificates via Auto Encrypt Localhost and automatic production certificates via Auto Encrypt.

A Vite plugin that adds subresource integrity hashes to your index.html file at build time.

A tap formatter that’s also a monkey.

Fork of express-ws. WebSocket endpoints for Express applications (uses require instead of import, binds routes to the web socket instance, and has high-level support for broadcast client filtering/“room” support).

Basic test runner for tape that supports ECMAScript Modules (ESM; es6 modules). Runs your tests in isolation, one after the other.

A different tap parser

A Node.js wrapper for Let’s Encrypt’s Pebble (“a small RFC 8555 ACME test server not suited for a production certificate authority”).

A zero-dependency, transparent, in-memory, streaming write-on-update JavaScript database for Small Web applications that persists to a JavaScript transaction log.

Cross platform version of os.hostname() that returns the full computer name (including the primary DNS prefix) on Windows so you can write code that relies on the hostname (e.g., automatic TLS certificate provisioning) that will also work on Windows.

A Vite plugin that adds subresource integrity hashes to your index.html file at build time.

Two indeterminate progress spinners, one with lines and the other with dots (available in animated SVG, animated PNG, JavaScript, and Svelte).

Small Web construction set.

Self-host the Share Tech Mono font in a neatly bundled NPM package.

Strong JSON typing for TypeScript.

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A lossless JSON5 tokenizer and parser for Node.js that maintains indentation, spacing, and comments.