Prettier is an opinionated code formatter.

Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

Create, read and edit .zip files with Javascript

Docker + Node = Dockerode (Node.js module for Docker's Remote API)

These snippets were built to supercharge my workflow in the most seamless manner possible.