Embeddable spreadsheet engine — parse, evaluate & mutate Excel workbooks in the browser. 320+ functions, Arrow-powered.
ESLint plugin to catch bad tsconfig compiler-option combos, project reference misconfiguration, and policy drift before tsc.
HTML fragment parser utility for Cocoar UI components
the mighty option parser used by yargs
Easily exclude node_modules in Webpack bundle
Prettier plugin for formatting jinja templates.
npm package that prints formatted test reports into a google sheet or csv file
Generate, run, and auto-heal Playwright BDD tests using AI agents — drop-in plugin that explores your app, writes Gherkin feature files, and fixes failures automatically
The Quill rich-text editor as a React component.
🦄 Tailwindcss first-class variant API
TypeScript library for creating, loading, querying, and writing XLIFF 2.x documents
Memory-efficient spreadsheet to CSV converter
The worker which is used by the midi-json-parser package.
ESLint Plugin for MDX
AI-powered cross-platform ad management for MCP. Manage Google Ads and Meta Ads campaigns, analyze performance, optimize budgets, and detect anomalies — all through natural language.
Self-host the Inter font in a neatly bundled NPM package.
lnd accounting reports
Various parsers
Framework-agnostic headless client for TanStack AI chat, realtime sessions, streaming transports, and media generations.
Fork of error-stack-parser with some not-yet-released changes
Semantic parser for ProseMirror/TipTap content structures
Pure javascript XML ANSI/Unicode SAX parser for Node.js
Parser for Apple's password rules format: https://developer.apple.com/password-rules/
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