JSPM

HMAC-based (HOTP) and Time-based (TOTP) One-Time Password library

Promise based HTTP client for the browser and node.js

Tiny and elegant HTTP client based on the Fetch API

A dynamic, browser-based visualization library.

Event based JavaScript for the browser

A batched diff-based DOM rendering strategy

A dynamic, browser-based network visualization library.

Grid based off of CSS3 flexbox specification

Grid based off of CSS3 flexbox specification

🕖 Typed library to work 2fa via Google Authenticator/Time-based TOTP/Hmac-based HOTP

SAX based evented streaming JSON parser in JavaScript (browser and node)

Composable trie based router

Determine whether the passed value is a zero based index.

Generate loader for loading browser polyfills based on feature detection

support for asynchronous development with a Promise based task Scheduler, several different Promise implementations (synchronous, idle, asynchronous and native runtime wrappers), await helpers, and aliases all built and tested using TypeScript.

Tiny and elegant HTTP client based on the Fetch API

A browser-based event emitter, for tying things together.

jQuery Mapael is a jQuery plugin based on raphael.js that allows you to display dynamic vector maps.

Creates manifest json file based you config

Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API.

Device type detection library based on the useragent string. Refactored from express-device.

Randomly generates User-Agent strings based on actual usage statistics from Wikimedia.

Isomorphic WHATWG Fetch API, for ALL node based environments.

Simple key value store for the browser, based on indexed db, promise-based + TS friendly

MP3 encoder extension for Mediabunny, based on LAME.

LZ-based compression algorithm for TypeScript projects (Browser, Node.js)

Client library for interacting with the Cerbos policy decision point service over HTTP from browser-based applications

Grid based off of CSS3 flexbox specification

Small JS framework to provide headless browser-based tests

Folder based file browser given a flat keyed list of objects, powered by React.

jsbn-based arbitrary precision operations on currency amounts "XXX.YY"; because floats are BAD for representing money

Chooses the fastest random access backend based on the user's browser

Browser-based tar utility for packing and unpacking tar files (stream-capable)

A pure javascript HDF5 file reader, based on pyfive

An axios based wrapper for `bogdanfinn/tls-client` based on ffi-rs for unparalleled performance and usability.

Comindware Core UI provides the basic components like editors, lists, dropdowns, popups that we so desperately need while creating Marionette-based single-page applications.

jQuery-less, Promise-interfaced models based on BackboneJS

A dynamic, browser-based visualization library.

Parse the ESM dependencies of code snippets based on acorn

A regex-based Markdown parser.

Animation library based on CSS3 transitions and promises

feature based browser detection

A vite plugin for generating cross browser platform, ES module based web extensions

Creates an object based on element attributes

WASM based, asynchronous Brotli compression and decompression package that works in browsers and Node.js; CommonJS and ESM

Grid based off of CSS3 flexbox specification

Randomly generates User-Agent strings based on actual usage statistics from Wikimedia.

A simple in-memory cache, for nodejs and the browser, with time based expiration policies.

Localizes CSS based on a virtual DOM tree.

A preconditions package based on Google's Preconditions library

Serenity/JS Screenplay Pattern library offering a flexible, web driver-agnostic approach for interacting with web-based user interfaces and components, suitable for various testing contexts

UTSP Render - Browser-based rendering engine for terminal graphics

A JavaScript library for highlighting HTML text based on the query in the lucene/solr query syntax

A white-label search bar component for filtering DOM nodes based on content.

JavaScript Canvas based imagediff utility.

Simple JavaScript type-based method overloading.

Web api for using VITS based models in the browser!

Generic trie-based router with support for wildcards, route param validation/coercion, auth

Get a KeyboardEvent.key-style string from an event

A webapp server based on Web Dev Server.

Class-based JavaScript modules accessible via the DOM.

OPFS-based FS implementation for isomorphic-git

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

A dynamic, browser-based visualization library.

> Typed library to work 2fa via Google Authenticator/Time-based TOTP/Hmac-based HOTP

A fast, non-cryptographic hash function based on DJB2.

JSX-based html templating engine for browsers or Node environments.

A lightweight, cross-environment storage library with key-based storage and automatic environment detection. Provides consistent API for browser localStorage and in-memory storage with change notifications.

Grid based off of CSS3 flexbox specification

Dynamic Web TWAIN is a TWAIN/ICA/SANE-based scanning SDK software specifically designed for web applications running on Windows/macOS/Linux. With just a few lines of code, you can develop robust applications to scan documents from TWAIN/ICA/SANE-compatibl

Interceptor based event bus, side effect & immutable state handling

A promise-based function for submitting data to Hubspot.

loadjsfile is a promise based script loader for the browser

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

three.js based, unity like game engine for browser

Lightweight face detection for browser video streams, providing callbacks with face presence and bounding boxes. Automatically adapts the detection model based on device connectivity to ensure efficient performance.

trigram-based library for fast indexing and search over large arrays of data

small, promise-based, zero-dependency jsonp library for browsers. ~330b gzip

Fetch based HTTP client with similar API to axios for browser and Node.js

React/Browser canvas-based Korean seal generator

Touch based browser console

SuperAtom Web SDK - TypeScript SDK for browser-based WebSocket communication

A browser-based viewer for ElectroDB entities and DynamoDB data

Allows you to specify SSL/TLS cipher suites based on both security and browser compatibility.

A polyfill for the Resize Observer API

LZ-based compression algorithm for TypeScript projects (Browser, Node.js)

Faro web tracing implementation.

A test runner for browsers based on Web Test Runner.

Quick browser-based editor for local file (npx web-editx ./file)

Reset uploaded image orientation based on EXIF

Web MIDI API stream based wrapper

The string_decoder module from Node core

Scalable, template based data population for Excel XLSX spreadsheets.

the standard library browser based clients using block-5 services

PIXI.js based renderer to create 5d chess boards based off of 5d-chess-js

timers module based on nodes code for browserify

Array#isArray for older browsers

Launch Brave Browser with ease from node. Based on chrome-launcher with Brave-specific support.

Web-based interface for Claude Code CLI accessible via browser

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

nice looking canvas-based radial and linear slider

Image structural similarity (SSIM). In TypeScript/JavaScript. For browser/server.

A clarinet based json parser that can be used to parse JSON objects with duplicate keys

Node.js Buffer API, for the browser

CSS browser reset based on Tailwind's preflight, with optional enhancements.

Full-featured web browser module for React Native apps, based on TOWebViewController

Converts a source-map from/to different formats and allows adding/changing properties.

A generic Javascript SDK based on Self-Hosted Sentry.

Check if mobile browser.

Assign depths based on Google's Material Design

ES2015 `Object.assign()` ponyfill

Node standard library for browser.

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

Web-based robotics control using WebSerial API

TxtReader is a JavaScript library to read text file in browsers based on FileReader API. It can read very large, huge, giant files (GB+).

Google's libphonenumber pre-compiled with the closure compiler

Abstracted functional easing provider, based on Penner's equations.

A dynamic, browser-based visualization library.

Open stuff like URLs, files, executables. Cross-platform.

Lightweight module that can be mixed in to any object in order to provide it with custom events. For node.js and the browser. Based on Backbone.Events

217 kB, tiny offline reverse geocoding library that works anywhere, browser, Node.js, web worker. High performance (S2 cell based). Looks up country and nearest city, given GPS coordinates

A modern, localStorage-like API for IndexedDB with instance-based and static APIs, multi-store support, configurable databases, and enhanced capabilities

WASM-based container system for running Node.js in browser

React's ExecutionEnvironment module recreated as ES6 functions

Copy texts Based on clipboard.js without a specific button

Public API for OpenTelemetry

Determine if an object is a Buffer

A memory-based key–value storage for javascript.

A dynamic, browser-based visualization library.

a display and interaction library for tile-based maps

Utilities for browser-based apps

A powerful and flexible HTTP request library based on Axios

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

Base class for node which OpenTelemetry instrumentation modules extend

A lightweight, blazingly fast 2D image descriptor, matcher and retriever, based on the MPEG-7 Color Layout Descriptor (CLD)

JavaScript's functional programming helper library.

Public logs API for OpenTelemetry

A WebRTC based direct peer to peer network in the browser.

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

Manage unstructured data using DataSet. Add, update, and remove data, and listen for changes in the data.

A library for parsing IPv4 and IPv6 IP addresses in node and the browser.

the path module from node core for browsers

Universal WHATWG Fetch API for Node, Browsers and React Native

Make your very own Chromium-based browser!

High-performance distributed unique ID generator based on Twitter's Snowflake algorithm. Supports ESM and CommonJS with BigInt for precision.

Library to work against complex domain names, subdomains and URIs.

Simple client queue mechanism. Create it and run asynchronously with worker class in browser.

Convert a typed array to a Buffer without a copy

Lightweight browser detector

Better `os.arch()` for node and the browser -- detect OS architecture

Promise based HTTP client for the browser and node

A pure JavaScript client for the tus resumable upload protocol

Microsoft Azure SDK for JavaScript - Aborter

A dynamic, browser-based visualization library.

A dynamic, browser-based visualization library.

Open-source, purely client-side browser fingerprinting library that computes a Guardian anchor-based visitor identifier.

JavaScript barcode generator supporting over 100 types and standards.

Test'em 'scripts! Javascript Unit testing made easy.

A custom html element that routes to pages based on its path attribute

High performance (de)compression in an 8kB package

The assert module from Node.js, for the browser.

A dynamic, browser-based visualization library.

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

JavaScript library for DOM operations

the stream module from node core for browsers

Get the bundle identifier of the default browser (macOS). Example: com.apple.Safari

Automated browser testing for the modern web development stack.

A simple, lightweight JavaScript API for handling cookies

HTML5 `FormData` for Browsers and Node.

Parse and stringify URL query strings

Get the default browser

Compare semver version strings to find greater, equal or lesser.

atob for Node.JS and Linux / Mac / Windows CLI (it's a one-liner)

Minimal genome browser based on TnT Board and Ensembl data

LocalStorage adapter for MCPConnect - browser-based storage implementation

WASM based, asynchronous Brotli compression and decompression package that works in browsers and Node.js; CommonJS and ESM

A web-based Python kernel for browser environments with TypeScript support

Random number generator for browsers and node.js

Provides a high level browser automation node based on nightmarejs.org.

OpenTelemetry Base Context Manager

Isomorphic implementation of WebSocket

timers module for browserify

Parse milliseconds into an object

Device detection (phone, tablet, desktop, mobile grade, os, versions)

Guten OCR is a high accurate text detection (OCR) Javascript/Typescript library that runs on Node.js, Browser, React Native and C++. Based on PaddleOCR and ONNX runtime

A better opn. Reuse the same tab on Chrome for 👨‍💻.

node's constants module for the browser

Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.

Utility library to determine and normalize Element.scrollLeft behavior

Decode JWT tokens, mostly useful for browser applications.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

A jQuery plugin that adds cross-browser mouse wheel support.

resolve which handles browser field support in package.json

the tty module from node core for browsers

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

JavaScript barcode generator supporting over 100 types and standards.

vm module for the browser

A dynamic, browser-based visualization library.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

Simple archive format based on JSON.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

Toggle current selected content in browser

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

https module compatability for browserify

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

JSON without touching any globals

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

Flood Element is a browser based load generation tool for easily testing modern web application performance

Microsoft Azure SDK for JavaScript - Logger

(NPM Package) Collection of various small helpers for javascript and typescript based projects, all tested and documented.

Copy stuff into clipboard using JS with fallbacks

OpenTelemetry Collector Trace Exporter allows user to send collected traces to the OpenTelemetry Collector

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

EventMsgV3 Web Bluetooth transport for browser-based communication with ESP32 devices

Type-safe, ergonomic API client builder for TypeScript & React based on ky.

Cascading grid layout library

Device information and digital fingerprinting written in pure JavaScript.

Headless browser to generate screenshots based on Chrome

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

Lightweight browser-based semantic search library with HNSW vector index and transformer embeddings

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

A promise-based image loader. Useful for pre-loading or waiting for images to load.

A small but effective node based server for development sites, customizable live reloading, and websocket support built-in. You should consider using NSS if:

An alias package for `crypto.randomBytes` in Node.js and/or browsers

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

IndexedDB-based persisting LRU cache for the browser

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

Cypress is a next generation front end testing tool built for the modern web

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

`@micromint1npm/nisi-tenetur-doloremque` is a package that is based on C# conversions. Transacting functionally like `DateTime`.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

Promisify an event by waiting for it to be emitted

Isomorphic client library for supporting long-running operations in node.js and browser.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.

The algorithm continuously evaluates and scores open source software projects in supported package managers based on their impact and value to the OSS ecosystem.