#javascript

Fast, zero-dependency, TypeScript-first Excel (.xlsx) reader for Node, Deno, Bun, and the browser.

Determine address of proxied request

Get and robustly cache all JS language-level intrinsics at first require time.

The Javascript document scanning library.

natural language processor powered by plugins part of the @unifiedjs collective

ScaleMule core TypeScript SDK

Parse and create PGNs (Portable Game Notation for chess games)

local-first security analysis for TypeScript & JavaScript

Interactive wafer map visualization and yield analysis for semiconductor test data. Rendering, spatial statistics, failure clustering, lot-level trends, and reticle analysis — pure ES modules, no dependencies.

*.mdx/*.mdd interpreter js implements, support mdict index file

A sharable ESLint configuration that enforces thoughtbot’s JavaScript guides.

An minimalistic Express.js library that will reflect a Mongoose model onto a RESTful interface with a splash of Swagger.io love.

OrgChart JS is a simple, flexible and highly customizable organization chart plugin for presenting the structure of your organization and the relationships in an elegant way.

The core library for QLogicae projects

Supercharge HTML for rapid, feature rich development.

The core framework package. Small in size. Fierce in speed. Alive in every route.

JavaScript/TypeScript SDK for AI2Web: build the /ai2w manifest, serve the routes, and project to MCP, ACP, AP2, GraphQL & OpenAPI for AI agents.

WebGL protein viewer

A library for loading JavaScript files asynchronously

A battle-tested, modular base project to turbocharge your projects, styled using Tailwind 🚀

JavaScript-style concurrency for Go — Promises, async/await, and combinators over goroutines and context.

An open-source, cross-platform markdown editor designed for extensibility & flexibility

An ESnext spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.

An ESnext spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Tiny JavaScript tokenizer.

regexpu’s core functionality, i.e. `rewritePattern(pattern, flag, options)`, which enables rewriting regular expressions that make use of the ES6 `u` flag into equivalent ES5-compatible regular expression patterns.

micromark extension to support MDX or MDX.js JSX

Absolutely teeny tiny TypeScript omit function.

Passive API key and secret discovery browser extension for Chrome and Firefox. 80+ detection patterns, zero config.