Third-Party Software Licenses

An implementation of WHATWG AbortController interface.

AuthorToru Nagashima (https://github.com/mysticatea)

Higher-level content negotiation

Turn a function into an `http.Agent` instance

AuthorNathan Rajlich <nathan@tootallnate.net> (http://n8.io/)

Regular expression for matching ANSI escape codes

AuthorSindre Sorhus

ANSI escape codes for styling strings in the terminal

AuthorSindre Sorhus

Normalize all Unicode decimal digits (Devanagari, Arabic, Thai, etc.) to ASCII numerals. Zero dependencies, performance-first.

AuthorAmit Gupta (https://solothought.work/)

Convert a value to an array

AuthorSindre Sorhus

Retrying made simple, easy and async

Throw a given error

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Match balanced character pairs, like "{" and "}"

AuthorJulian Gruber

Base64 encoding/decoding in pure JS

AuthorT. Jameson Little <t.jameson.little@gmail.com>

A small, fast, easy-to-use library for arbitrary-precision decimal arithmetic

AuthorMichael Mclaughlin

A library for arbitrary-precision decimal and non-decimal arithmetic

AuthorMichael Mclaughlin

Node.js body parsing middleware

Brace expansion as known from sh/bash

AuthorJulian Gruber

Utility to parse a string bytes to bytes and vice-versa

AuthorTJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)

Helper functions around Function call/apply/bind, for use in `call-bind`

AuthorJordan Harband <ljharb@gmail.com>

Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.

AuthorJordan Harband <ljharb@gmail.com>

Count how often a character (or substring) is used in a string

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Terminal string styling done right

Map of named character references

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Map of named character references from HTML 4

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

List of legacy HTML named character references that don’t need a trailing semicolon

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Map of invalid numeric character references to their replacements, according to HTML

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

This is a marker package to indicate that a module can only be used in Client Components.

A tiny (239B) utility for constructing className strings conditionally.

AuthorLuke Edwards

Color conversion and manipulation with CSS string support

Plain color conversion functions

AuthorHeather Arthur <fayearthur@gmail.com>

A list of color names and its values

AuthorDY <dfcreative@gmail.com>

Parser and generator for CSS color strings

AuthorHeather Arthur <fayearthur@gmail.com>

Parse and stringify comma-separated tokens

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

the complete solution for node.js command-line programs

AuthorTJ Holowaychuk <tj@vision-media.ca>

Create and parse Content-Disposition header

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

Create and parse HTTP Content-Type header

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

HTTP server cookie parsing and serialization

AuthorRoman Shtylman <shtylman@gmail.com>

Sign and unsign cookies

AuthorTJ Holowaychuk <tj@learnboost.com>

Node.js CORS middleware

AuthorTroy Goode <troygoode@gmail.com> (https://github.com/troygoode/)

Cross platform child_process#spawn and child_process#spawnSync

AuthorAndré Cruz <andre@moxy.studio>

Strict TypeScript and Flow types for style based on MDN data

AuthorFredrik Nicol <fredrik.nicol@gmail.com>

Generate a Buffer instance from a Data URI string

AuthorNathan Rajlich <nathan@tootallnate.net> (http://n8.io/)

Lightweight debugging utility for Node.js and the browser

AuthorJosh Junon (https://github.com/qix-)

Decode named character references

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Deprecate all the things

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

A tiny (304B to 489B) utility for check for deep equality

AuthorLuke Edwards

Do things in development and nothing otherwise

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

If available, the `Object.prototype.__proto__` accessor and mutator, call-bound

AuthorJordan Harband <ljharb@gmail.com>

Turn a writable and readable stream into a streams2 duplex stream with support for async initialization and streams1/streams2 input

AuthorMathias Buus

Get East Asian Width from a character.

AuthorMasaki Komagata

return the first event in a set of ee/event pairs

AuthorJonathan Ong

A regular expression to match all Emoji-only symbols as per the Unicode Standard.

AuthorMathias Bynens

Encode a URL to a percent-encoded form, excluding already-encoded sequences

Call a callback when a readable/writable/duplex stream has completed or failed.

AuthorMathias Buus <mathiasbuus@gmail.com>

`Object.defineProperty`, but not IE 8's broken one.

AuthorJordan Harband <ljharb@gmail.com>

A simple cache for a few of the JS Error constructors.

AuthorJordan Harband <ljharb@gmail.com>

ES Object-related atoms: Object, ToObject, RequireObjectCoercible

AuthorJordan Harband <ljharb@gmail.com>

A tiny (183B to 210B) and fast utility to ascend parent directories

AuthorLuke Edwards

Escape string for use in HTML

Check if something can be an ecmascript (javascript) identifier name

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Create simple HTTP ETags

An implementation of WHATWG EventTarget interface.

AuthorToru Nagashima

Fast, unopinionated, minimalist web framework

AuthorTJ Holowaychuk <tj@vision-media.ca>

Port of jQuery.extend for node.js and the browser

AuthorStefan Thomas <justmoon@members.fsf.org> (http://www.justmoon.net)

Fast deep equal

AuthorEvgeny Poberezkin

Build XML from JSON without C/C++ based libraries

AuthorAmit Gupta (https://solothought.com)

Validate XML, Parse XML, Build XML without C/C++ based libraries

AuthorAmit Gupta (https://solothought.com)

A streaming parser for HTML form data for node.js

AuthorBrian White <mscdex@mscdex.net>

Blob & File implementation in Node.js, originally from node-fetch.

AuthorJimmy Wärting <jimmy@warting.se> (https://jimmy.warting.se)

Node.js final http responder

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

Firebase SDK for Cloud Functions

AuthorFirebase Team

HTML5 `FormData` for Browsers and Node.

AuthorJimmy Wärting

Parse HTTP X-Forwarded-For header

HTTP response freshness testing

AuthorTJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)

Implementation of Function.prototype.bind

AuthorRaynos <raynos2@gmail.com>

A fully persistent balanced binary search tree

AuthorMikola Lysenko

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

AuthorJordan Harband <ljharb@gmail.com>

Robustly get the [[Prototype]] of an object

AuthorJordan Harband <ljharb@gmail.com>

`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.

AuthorJordan Harband <ljharb@gmail.com>

Node.js Google Authentication Service Account Tokens

AuthorGoogle, LLC

Handlebars provides the power necessary to let you build semantic templates effectively with no frustration

AuthorYehuda Katz

Determine if the JS environment has Symbol support. Supports spec, or shams.

AuthorJordan Harband

A robust, ES3 compatible, "has own property" predicate.

AuthorJordan Harband <ljharb@gmail.com>

hast utility to transform from a `parse5` AST

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

hast utility to create an element from a simple CSS selector

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

hast utility to reparse a tree

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

hast utility to transform to preact, react, solid, svelte, vue, etc

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

hast utility to transform to a `parse5` AST

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

hast utility to check if a node is inter-element whitespace

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

hast utility to create trees

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Fastest HTML entities encode/decode library.

AuthorMarat Dulin

Map of URL attributes in HTML

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

List of HTML void tag names

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Create HTTP error objects

AuthorJonathan Ong <me@jongleberry.com> (http://jongleberry.com)

A pure JS HTTP parser for node.

AuthorTim Caswell (https://github.com/creationix)

An HTTP(s) proxy `http.Agent` implementation for HTTP

AuthorNathan Rajlich <nathan@tootallnate.net> (http://n8.io/)

An HTTP(s) proxy `http.Agent` implementation for HTTPS

AuthorNathan Rajlich <nathan@tootallnate.net> (http://n8.io/)

Convert character encodings in pure javascript.

AuthorAlexander Shtuchkin <ashtuchkin@gmail.com>

An inline style parser.

A library for manipulating IPv4 and IPv6 addresses in JavaScript.

Authorwhitequark <whitequark@whitequark.org>

Check if a character is alphabetical

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Check if a character is alphanumerical

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Determines if an object can be used as an array

AuthorQix (http://github.com/qix-)

Check if a character is decimal

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Check if the character represented by a given Unicode code point is fullwidth

AuthorSindre Sorhus

Check if a character is hexadecimal

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Check if a value is a plain object

AuthorSindre Sorhus

Test whether an object looks like a promises-a+ promise

AuthorForbesLindesay

Check if something is a Node.js stream

AuthorSindre Sorhus

Zero-dependency, DOM-free, pure predicate for detecting unsafe strings across HTML, XML, SVG, SQL, SHELL, and REGEX contexts

AuthorAmit Gupta (https://solothought.com/)

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

AuthorFilip Skokan <panva.ip@gmail.com>

javascript standard data structure library which benchmark against C++ STL

AuthorZLY201

JSON.parse with bigints support

AuthorAndrey Sidorov <sidorares@yandex.ru>

JSON Web Token implementation (symmetric and asymmetric)

Authorauth0

JWA implementation (supports all JWS algorithms)

AuthorBrian J. Brennan <brianloveswords@gmail.com>

Library to retrieve RSA public keys from a JWKS endpoint

AuthorAuth0

Implementation of JSON Web Signatures

AuthorBrian J Brennan

The lodash method `_.camelCase` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

The lodash method `_.cloneDeep` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

The lodash method `_.includes` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

The lodash method `_.isBoolean` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

The lodash method `_.isInteger` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

The lodash method `_.isNumber` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

The lodash method `_.isPlainObject` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

The lodash method `_.isString` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

The lodash method `_.once` exported as a module.

AuthorJohn-David Dalton <john.david.dalton@gmail.com> (http://allyoucanleet.com/)

Count the longest repeating streak of a substring

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Memoize functions results using an lru-cache.

AuthorJosé F. Romaniello <jfromaniello@gmail.com> (http://joseoncode.com)

ES Math-related intrinsics and helpers, robustly cached.

AuthorJordan Harband <ljharb@gmail.com>

mdast utility to parse markdown

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

mdast extension to parse and serialize MDX (or MDX.js) expressions

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

mdast extension to parse and serialize MDX or MDX.js JSX

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

mdast extension to parse and serialize MDX.js ESM (import/exports)

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

mdast utility to check if a node is phrasing content

AuthorVictor Felder <victor@draft.li> (https://draft.li)

mdast utility to transform to hast

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

mdast utility to serialize markdown

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

mdast utility to get the plain text content of a node

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Simple RFC 6838 media type parser and formatter

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

Merge objects using their property descriptors

small commonmark compliant markdown parser with positional info and concrete tokens

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

The CommonMark markdown constructs

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark factory to parse destinations (found in resources, definitions)

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark factory to parse labels (found in media, definitions)

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark factory to parse markdown space (found in lots of places)

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark factory to parse markdown titles (found in resources, definitions)

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark factory to parse markdown whitespace (found in lots of places)

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to handle character codes

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to splice and push with giant arrays

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to classify whether a character is whitespace or punctuation

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to combine syntax or html extensions

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to decode numeric character references

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to decode markdown strings

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to encode dangerous html characters

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility with list of html tag names

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility normalize identifiers (as found in references, definitions)

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to resolve subtokens

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to sanitize urls

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility to tokenize subtokens

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility with symbols

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

micromark utility with a couple of typescript types

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

A comprehensive library for mime-type mapping

AuthorRobert Kieffer

Media Type Database

The ultimate javascript content-type utility.

parse argument options

AuthorJames Halliday

Model Context Protocol for TypeScript — public Zod schemas (spec + OAuth/OpenID)

AuthorAnthropic, PBC (https://anthropic.com)

Model Context Protocol implementation for TypeScript - Server package

AuthorAnthropic, PBC (https://anthropic.com)

Tiny millisecond conversion utility

A tiny (116 bytes), secure URL-friendly unique string ID generator

AuthorAndrey Sitnik <andrey@sitnik.ru>

HTTP content negotiation

Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster

The React Framework

Next.js dotenv file loading

AuthorNext.js Team <support@vercel.com>

Entity parser for XML, HTML, External entites with security and NCR control

AuthorAmit Gupta (https://solothought.com)

An implementation of the DOMException class from NodeJS

AuthorJimmy Wärting

A light-weight module that brings window.fetch to node.js

AuthorDavid Frank

ES2015 `Object.assign()` ponyfill

AuthorSindre Sorhus

Generate hashes from javascript objects in node and the browser.

AuthorScott Puleo <puleos@gmail.com>

string representations of objects in node and the browser

AuthorJames Halliday

Execute a callback when a request closes, finishes, or errors

Run multiple promise-returning & async functions with limited concurrency

AuthorSindre Sorhus

Retry a promise-returning or async function

AuthorSindre Sorhus

Parse HTML character references

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

HTML parser and serializer.

AuthorIvan Nikulin <ifaaan@gmail.com> (https://github.com/inikulin)

parse a url with memoization

Efficient path tracking and pattern matching for XML/JSON parsers

AuthorAmit Gupta (https://solothought.com)

Get the PATH environment variable key cross-platform

AuthorSindre Sorhus

Express style path to RegExp utility

Polyfill of future proposal for `util.parseArgs()`

Tool for transforming styles with JS plugins

AuthorAndrey Sitnik <andrey@sitnik.ru>

Info on the properties and attributes of the web platform

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Determine address of proxied request

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

Range header field string parser

AuthorTJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)

Get and validate the raw body of a readable stream.

AuthorJonathan Ong <me@jongleberry.com> (http://jongleberry.com)

RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching

AuthorOleksii Vasyliev

React is a JavaScript library for building user interfaces.

React package for working with the DOM.

SVG React icons of popular icon packs using ES6 imports

AuthorGoran Gajic

React component to render markdown

AuthorEspen Hovlandsdal <espen@hovlandsdal.com>

A collection of react loading spinners

AuthorDavid Hu (https://www.davidhu.io)

Streams3, a user-land copy of the stream library from Node.js

rehype plugin to reparse the tree (and raw nodes)

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

remark plugin to add support for parsing markdown input

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

remark plugin that turns markdown into HTML to support rehype

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Recursively iterates over specified directory, require()'ing each file, and returning a nested hash structure containing those modules.

AuthorTroy Goode <troygoode@gmail.com> (http://github.com/troygoode/)

Abstraction for exponential and custom retry strategies for failed operations.

AuthorTim Koschützki <tim@debuggable.com> (http://debuggable.com/)

Retry a request.

AuthorStephen Sawchuk <sawchuk@gmail.com>

Simple middleware-style router

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

Safer Node.js Buffer API

AuthorFeross Aboukhadijeh

Modern Buffer API polyfill without footguns

AuthorNikita Skovoroda

Cooperative scheduler for the browser environment.

Better streaming static file server with Range and conditional-GET support

AuthorTJ Holowaychuk <tj@vision-media.ca>

Serve static files

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

Get the command from a shebang

AuthorKevin Mårtensson

Regular expression for matching a shebang line

AuthorSindre Sorhus

Store information about any JS value in a side channel. Uses WeakMap if available.

AuthorJordan Harband <ljharb@gmail.com>

Store information about any JS value in a side channel, using a linked list

AuthorJordan Harband <ljharb@gmail.com>

Store information about any JS value in a side channel, using a Map

AuthorJordan Harband <ljharb@gmail.com>

Store information about any JS value in a side channel. Uses WeakMap if available.

AuthorJordan Harband <ljharb@gmail.com>

Simply swizzle your arguments

AuthorQix (http://github.com/qix-)

Parse and stringify space separated tokens

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

HTTP status utility

Get an event when you're being sent data or asked for it.

AuthorStephen Sawchuk

Returns the next buffer/object in a stream's readable queue

AuthorMathias Buus (@mafintosh)

Get the visual width of a string - the number of columns required to display it

AuthorSindre Sorhus

The string_decoder module from Node core

Serialize (encode) HTML character references

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Strip ANSI escape codes from a string

AuthorSindre Sorhus

Parse String to Number based on configuration

AuthorAmit Gupta (https://solothought.work/)

Easy method stubber.

AuthorStephen Sawchuk

Parses CSS inline style to JavaScript object (camelCased).

AuthorMark <mark@remarkablemark.org>

Parse CSS inline style to JavaScript object.

AuthorMark <mark@remarkablemark.org>

Full CSS support for JSX without compromises

Merge Tailwind CSS classes without style conflicts

AuthorDany Castillo

Convert a string of words to a JavaScript identifier

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

An implementation of the Unicode TR46 spec

AuthorSebastian Mayr <npm@smayr.name>

Remove spaces and tabs around line-breaks

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

`trough` is middleware

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Infer the content-type of a request.

TypeScript definitions for body-parser

TypeScript definitions for connect

TypeScript definitions for cors

TypeScript definitions for debug

TypeScript definitions for estree

TypeScript definitions for estree-jsx

TypeScript definitions for express

TypeScript definitions for express-serve-static-core

TypeScript definitions for hast

TypeScript definitions for http-errors

TypeScript definitions for jsonwebtoken

TypeScript definitions for mdast

TypeScript definitions for ms

TypeScript definitions for node

TypeScript definitions for qs

TypeScript definitions for range-parser

TypeScript definitions for react

TypeScript definitions for retry

TypeScript definitions for send

TypeScript definitions for serve-static

TypeScript definitions for unist

TypeScript definitions for uuid

TypeScript definitions for xml2js

A stand-alone types package for Undici

parse, inspect, transform, and serialize content through syntax trees

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

unist utility to check if a node passes a test

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

unist utility to get the position of a node

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

unist utility to serialize a node, position, or point as a human readable location

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

unist utility to visit nodes

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

unist utility to recursively walk over nodes, with ancestral information

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Unpipe a stream from all destinations

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

The Node.js `util.deprecate()` function with browser support

AuthorNathan Rajlich <nathan@tootallnate.net> (http://n8.io/)

RFC4122 (v1, v4, and v5) UUIDs

Manipulate the HTTP Vary header

AuthorDouglas Christopher Wilson <doug@somethingdoug.com>

Virtual file format for text processing

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

vfile utility to convert between positional (line and column-based) and offset (range-based) locations

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

vfile utility to create a virtual message

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Map of web namespaces

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Web Streams, based on the WHATWG spec reference implementation

AuthorMattias Buelens <mattias@buelens.com>

An implementation of the WHATWG URL Standard's URL API and parsing machinery

AuthorSebastian Mayr <github@smayr.name>

Wrap those words. Show them at what columns to start and stop.

AuthorJames Halliday

Wordwrap a string with ANSI escape codes

AuthorSindre Sorhus

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

AuthorEinar Otto Stangvik <einaros@gmail.com> (http://2x.io)

Validates XML name productions — Name, NCName, QName, NMToken, NMTokens — for XML 1.0 and 1.1

AuthorAmit Gupta (https://solothought.com)

Simple XML to JavaScript object converter.

AuthorMarek Kubica <marek@xivilization.net> (https://xivilization.net)

An XML builder for node.js

AuthorOzgur Ozcitak <oozcitak@gmail.com>

yargs the modern, pirate-themed, successor to optimist.

Tiny queue data structure

AuthorSindre Sorhus

TypeScript-first schema declaration and validation library with static type inference

AuthorColin McDonnell <zod@colinhacks.com>

Handle values based on a property

AuthorTitus Wormer <tituswormer@gmail.com> (https://wooorm.com)

Class Variance Authority 🧬

AuthorJoe Bell (https://joebell.co.uk)

Node.js module to detect the C standard library (libc) implementation family and version

AuthorLovell Fuller <npm@lovell.info>

Translate ECDSA signatures between ASN.1/DER and JOSE-style concatenation

AuthorD2L Corporation

Standards-compliant WebSocket server and client

AuthorJames Coglan <jcoglan@gmail.com> (http://jcoglan.com/)

Firebase JavaScript library for web and Node.js

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The Firebase AI SDK

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

A analytics package for new firebase packages

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/analytics Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The primary entrypoint to the Firebase JS SDK

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The App Check component of the Firebase JS SDK

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

A compat App Check package for new firebase packages

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/app-check-interop-types Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/app-check Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The primary entrypoint to the Firebase JS SDK

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/app Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The Firebase Authenticaton component of the Firebase JS SDK.

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

FirebaseAuth compatibility package that uses API style compatible with Firebase@8 and prior versions

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/auth interop Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/auth Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

Firebase Component Platform

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The Realtime Database component of the Firebase JS SDK.

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/database Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The Cloud Firestore component of the Firebase JS SDK.

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The Cloud Firestore component of the Firebase JS SDK.

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/firestore Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/functions Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/installations Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

A logger package for use in the Firebase JS SDK

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/messaging-interop-types Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

Firebase performance for web

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The compatibility package of Firebase Performance

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/performance Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The Remote Config package of the Firebase JS SDK

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The compatibility package of Remote Config

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/remote-config Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

The Firebase Firestore compatibility package

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

@firebase/storage Types

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

A wrapper of the webchannel packages from closure-library for use outside of a closure compiled application

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

Firebase admin SDK for Node.js

AuthorFirebase <firebase-support@google.com> (https://firebase.google.com/)

A simple common HTTP client specifically for Google APIs and services.

AuthorGoogle, LLC

Get the metadata from a Google Cloud Platform environment

AuthorGoogle LLC

Google APIs Authentication Client Library for Node.js

AuthorGoogle Inc.

Vertex AI client for Node.js

AuthorGoogle LLC

Google BigQuery Client Library for Node.js

AuthorGoogle LLC

Common components for Cloud APIs Node.js Client Libraries

AuthorGoogle Inc.

Firestore Client Library for Node.js

AuthorGoogle Inc.

Cloud Firestore API client for Node.js

AuthorGoogle LLC

A result paging utility used by Google node.js modules

AuthorGoogle Inc.

A simple utility for precise-dateing functions and classes.

AuthorGoogle Inc.

A simple utility for replacing the projectid token in objects.

AuthorGoogle Inc.

A simple utility for promisifying functions and classes.

AuthorGoogle Inc.

Secrets client for Node.js

AuthorGoogle LLC

Cloud Storage Client Library for Node.js

AuthorGoogle Inc.

Google API Extensions

AuthorGoogle API Authors

An ad-hoc debug logger package for other libraries

AuthorGoogle API Authors

gRPC Library for Node - pure JS implementation

AuthorGoogle Inc.

gRPC utility library for loading .proto files

AuthorGoogle Inc.

Prebuilt sharp for use with Linux (glibc) x64

AuthorLovell Fuller <npm@lovell.info>

Prebuilt sharp for use with Linux (musl) x64

AuthorLovell Fuller <npm@lovell.info>

A Long class for representing a 64-bit two's-complement integer value.

AuthorDaniel Wirtz <dcode@dcode.io>

Framework-agnostic HTTP adapter for Model Context Protocol servers

AuthorVercel

Public API for OpenTelemetry

AuthorOpenTelemetry Authors

Public logs API for OpenTelemetry

AuthorOpenTelemetry Authors

OpenTelemetry AsyncLocalStorage-based Context Manager

AuthorOpenTelemetry Authors

OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.

AuthorOpenTelemetry Authors

OpenTelemetry Collector Exporter allows user to send collected traces to the OpenTelemetry Collector using protobuf over HTTP

AuthorOpenTelemetry Authors

OpenTelemetry OTLP Exporter base (for internal use only)

AuthorOpenTelemetry Authors

Transform OpenTelemetry SDK data into OTLP

AuthorOpenTelemetry Authors

OpenTelemetry SDK resource detector for GCP

AuthorOpenTelemetry Authors

OpenTelemetry SDK resources

AuthorOpenTelemetry Authors

OpenTelemetry logs SDK

AuthorOpenTelemetry Authors

OpenTelemetry metrics SDK

AuthorOpenTelemetry Authors

OpenTelemetry Tracing

AuthorOpenTelemetry Authors

OpenTelemetry Tracing

AuthorOpenTelemetry Authors

OpenTelemetry Node SDK provides automatic telemetry (tracing, metrics, etc) for Node.js applications

AuthorOpenTelemetry Authors

OpenTelemetry semantic conventions

AuthorOpenTelemetry Authors

Support for proto3 JSON serialiazation/deserialization for protobuf.js

High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, GIF, AVIF and TIFF images

AuthorLovell Fuller <npm@lovell.info>

Downloade counter for the swc project

Author강동윤 <kdy1997.dev@gmail.com>

External helpers for the swc project.

Author강동윤 <kdy1997.dev@gmail.com>

Like request, but smaller.

Authorfhinkel

Easily measure performance metrics in JavaScript

AuthorPhilip Walton

WebSocket protocol handler with pluggable I/O

AuthorJames Coglan <jcoglan@gmail.com> (http://jcoglan.com/)

Generic extension manager for WebSocket connections

AuthorJames Coglan <jcoglan@gmail.com> (http://jcoglan.com/)

easily create complex multi-column command-line-interfaces

AuthorBen Coe <ben@npmjs.com>

Run a child as if it's the foreground process. Give it stdio. Exit when it exits.

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)

AuthorStefan Penner

the most correct and second fastest glob implementation in JavaScript

AuthorIsaac Z. Schlueter <i@izs.me> (https://blog.izs.me/)

A small wrapper that makes IndexedDB usable

AuthorJake Archibald

Browser-friendly inheritance fully compatible with standard node.js inherits()

easily create complex multi-column command-line-interfaces

AuthorBen Coe <ben@npmjs.com>

Minimal module to check if a file is executable.

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)

A cache object that deletes the least-recently-used items.

AuthorIsaac Z. Schlueter <i@izs.me>

a glob matcher in javascript

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me)

Run a function exactly one time

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)

The tiniest and the fastest library for terminal output formatting with ANSI colors

AuthorAlexey Raspopov

A deep deletion module for node (like `rm -rf`)

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)

The semantic version parser used by npm.

AuthorGitHub Inc.

A small polyfill for Object.setprototypeof

AuthorWes Todd

when you want to fire an event no matter how a process exits.

AuthorBen Coe <ben@npmjs.com>

A structuredClone polyfill

AuthorAndrea Giammarchi

Like which(1) unix command. Find the first instance of an executable in the PATH.

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me)

Callback wrapping utility

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)

the bare-bones internationalization library used by yargs

AuthorBen Coe <bencoe@gmail.com>

JavaScript parser and stringifier for YAML

AuthorEemeli Aro <eemeli@gmail.com>

the mighty option parser used by yargs

AuthorBen Coe <ben@npmjs.com>

Constant-time comparison of Buffers

AuthorGoInstant Inc., a salesforce.com company

Protocol Buffers for JavaScript (& TypeScript).

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

Returns a promise from a node-style callback function.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

A minimal base64 implementation for number arrays.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

A minimalistic code generation utility.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

A minimal event emitter.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

Fetches the contents of a file accross node and browsers.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

A minimal path module to resolve Unix, Windows and URL paths alike.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

A general purpose buffer pool.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

A minimal UTF8 implementation for number arrays.

AuthorDaniel Wirtz <dcode+protobufjs@dcode.io>

A querystring parser that supports nesting and arrays, with a depth limit

Generates and consumes source maps

AuthorNick Fitzgerald <nfitzgerald@mozilla.com>

Generates and consumes source maps

AuthorValentin 7rulnik Semirulnik <v7rulnik@gmail.com>

A streaming parser for HTML form data for node.js

AuthorBrian White <mscdex@mscdex.net>

A generic rate limiter for node.js. Useful for API clients, web crawling, or other tasks that need to be throttled

AuthorJohn Hurliman <jhurliman@jhurliman.org>

Streaming Boyer-Moore-Horspool searching for node.js

AuthorBrian White <mscdex@mscdex.net>

A smaller version of caniuse-db, with only the essentials!

AuthorBen Briggs

Loads environment variables from .env file

Encode & decode XML and HTML entities with ease & speed

AuthorFelix Boehm <me@feedic.com>

JavaScript parser, mangler/compressor and beautifier toolkit

AuthorMihai Bazon <mihai.bazon@gmail.com> (http://lisperator.net/)

Implements the WebIDL algorithms for converting to and from JavaScript values

AuthorDomenic Denicola <d@domenic.me> (https://domenic.me/)

A very strict and proper argument parser.

AuthorIsaac Z. Schlueter <i@izs.me>

A cache object that deletes the least-recently-used items.

AuthorIsaac Z. Schlueter <i@izs.me>

minimal implementation of a PassThrough stream

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)

Load the local package.json from either src or dist folder

AuthorIsaac Z. Schlueter <i@izs.me> (https://izs.me)

walk paths fast and efficiently

AuthorIsaac Z. Schlueter <i@izs.me> (https://blog.izs.me)

An evented streaming XML parser in JavaScript

AuthorIsaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)

Prebuilt libvips and dependencies for use with sharp on Linux (glibc) x64

AuthorLovell Fuller <npm@lovell.info>

Prebuilt libvips and dependencies for use with sharp on Linux (musl) x64

AuthorLovell Fuller <npm@lovell.info>

Runtime library for TypeScript helper functions

AuthorMicrosoft Corp.

A polyfill for the proposed inert API

AuthorAlice Boxhall <alice@chromium.org>