JSPM

Public API for OpenTelemetry

Public logs API for OpenTelemetry

memlab API

Node.js Buffer API, for the browser

Universal WHATWG Fetch API for Node, Browsers and React Native

A simple, lightweight JavaScript API for handling cookies

A polyfill for the Resize Observer API

Tiny and elegant HTTP client based on the Fetch API

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

Isomorphic/Universal WHATWG URL API with some support legacy node URL API

Converts a Web-API readable-stream into a Node.js readable-stream.

Lint browser compatibility of API used

Cross Platform implementation of the GitLab API

Low-Level OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

Node.js Buffer API, for the browser

A browser-safe API wrapper

Client-Side Cookie Manipulation API

Node.js Buffer API, for React Native

Public events API for OpenTelemetry

Vendor agnostic access to the fullscreen spec api

Node.js Buffer API, for the browser

Get up and running with the google maps API quickly

Tiny hashing module that uses the native crypto API in Node.js and the browser

Inference API for Azure-supported AI models

Node.js Buffer API, for the browser

Async loader for google maps api (browser, typescript)

A cross-browser wrapper for the Web Audio API which aims to closely follow the standard.

A polyfill for the proposed inert API

WebPageTest API wrapper for NodeJS

Simple wrapper for cross-browser usage of the JavaScript Fullscreen API, which lets you bring the page or any element into fullscreen.

A comprehensive JavaScript/TypeScript library designed for both Node.JS and browsers, facilitating seamless interaction with the Atlassian Jira API.

An easy-to-use JavaScript API for the Internet Computer.

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

A polyfill of IntersectionObserver API

A polyfill for the Resize Observer API

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

Tiny and elegant HTTP client based on the Fetch API

JavaScript API to work against complex domain names, subdomains and URIs.

Tiny hashing module that uses the native crypto API in Node.js and the browser

A simple, lightweight API for handling cookies in the browser

The API package of Yoroi SDK

localStorage-compatible API, but only stored in memory

Authentication library for the browser environment using Web Crypto API

Typescript Networking Library for the Yext Search API

A simple polyfill implementation of W3C's JavaScript Fullscreen API spec. Don't worry about the vendor specific Fullscreen API.

Node SDK for Hyperbrowser API

SDK for MetaApi, a professional cloud forex API which includes MetaTrader REST API and MetaTrader websocket API. Supports both MetaTrader 5 (MT5) and MetaTrader 4 (MT4). CopyFactory copy trading API included. (https://metaapi.cloud)

(recursively) iterate directory entries in the browser (html5 File System API)

Polyfill for Crypto instance methods of Web Crypto API

Get the Google Client API object asynchronously to use Google API's

Interact with the GitHub API, fetching commits, repositories, members, and backers (authors, maintainers, contributors, funders, sponsors, donors)

A simple api for generating sha1 hashes in node and the browser.

A polyfill for the proposed blocking elements stack API

A simple shim for the server-side DOM API

Minimal Magento 2 API library. Both node and browser compatible

Lint browser compatibility of API used

A more usable typed storage API for Web Extensions

A tiny Fetch API wrapper that allows you to make http requests without need to handle to send the CSRF Token on every request

Node.js Buffer API, for React-Native with native Base64

Universal WHATWG Fetch API for Node, Browsers and React Native

Proxied cookie-authenticated REST API requests to WordPress.com.

A simple async local mock API without backend.

REST API requests to WordPress.com via XMLHttpRequest (and CORS)

Curried property accessor function that resolves deeply-nested object properties via dot/bracket-notation string path while mitigating TypeErrors via friendly and composable API.

Isomorphic WHATWG Fetch API, for ALL node based environments.

Official JavaScript library for the WordPress.com REST API

Converts a Web-API readable-stream into a Node readable-stream.

Face API REST Client

Play SoundCloud tracks and playslists in modern browsers with HTML5 Audio API

Telegram API JS (MTProto) client library for Node.js and browser

hoodie.connectionStatus API for the browser

Request API write by Typescript for flexibility, readability, and a low learning curve.

EN: A simple, high-performance, and comprehensive file system API running in the browser, built on [OPFS](https://developer.mozilla.org/en-US/docs/Web/API/File_System_API/Origin_private_file_system).

HTTP client which wraps a fetch implementation and simplify the creation of REST API clients. Works both in browser and in node.

A polyfill for the Resize Observer API

ClearBlade JavaScript API =========================

Generic, modular, extensible API bridge and infrastructure for hybrid JS & WebAssembly projects

Crossbrowser & lightweight way to check if user is looking at the page or interacting with it. (wrapper around HTML5 visibility api)

Isomorphic Performance API for Node, Browser & React Native

Official Droplr API Client for Javascript

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

Typescript Networking Library for the Yext Chat API

A JavaScript Sound API supporting MP3, MPEG4 and HTML5 audio + RTMP, providing reliable cross-browser/platform audio control in as little as 12 KB.

JavaScript Client API for Kurento Media Server

cross-browser getUserMedia shim with node.js style error-first API.

High level API to add outline to a pdf without any dependency on other programming languages. Works in both browser and node.

Browser DOM bridge API for hybrid TypeScript & WASM (Zig) applications

A library of functions for working more easily with the Notion API

A tiny browser module that normalizes and simplifies the API for WebRTC peer connections.

synology api for nodejs

dom events with a node-style EventEmitter api

Wrapper for asynchronously load Google Maps API with Promise.

Crossbrowser & lightweight way to check if user is looking at the page or interacting with it. (wrapper around HTML5 visibility api)

Async loader for the delighted api (browser, typescript)

Super-lightweight Promised wrapper around `chrome.*` API to be used in modules. Prefer `webextension-polyfill` if you’re using it directly in an extension.

The implementation of the Screen API for jsdom-browser.

WebGL bridge API for hybrid TypeScript & WASM (Zig) applications

Emulators (dos) with standartized API

Light wrapper around browser *Storage API, IE8+

Cross-environment (nodejs/web) fetch API

JavaScript Client API for Kurento Media Server

quickly create a simple and extendable api-client

Communicate with the Open Source TCGdex API in Javascript/Typescript using the SDK

HTML Canvas2D bridge API for hybrid TypeScript & WASM (Zig) applications

Universal WHATWG Fetch API for Node, Browsers and React Native

Javascript SDK for SDK for CopyFactory trade copying API. Can copy trades both between MetaTrader 5 (MT5) and MetaTrader 4 (MT4). (https://metaapi.cloud)

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

React component for the Javascript Notification API

Client-side JavaScript toolkit for Pluggy's API.

Cache values in your Web Extension and clear them on expiration. Also includes a memoize-like API to cache any function results automatically.

Convert SVG/PNG and back, both in browser and node.js. JavaScript API and Command Line

Device detection on-premise services for the 51Degrees Pipeline API

Device detection cloud services for the 51Degrees Pipeline API

A thin, Promise-returning helper for loading the Google Maps JavaScript API.

log API for the browser

gmaps.js core that contains the base for create simple maps using Google Maps API

Standalone Playwright browser server for NavFlow - enables browser automation with API key authentication, workspace device management, session sync, LLM discovery tools, and requires Node.js v22+

A TypeScript API client using fetch with axios-like interface

Javascript SDK for MetaStats forex trading statistics API. Can calculate metrics for MetaTrader accounts added to MetaApi. Supports both MetaTrader 5 (MT5) and MetaTrader 4 (MT4). (https://metaapi.cloud)

An API wrapper for PokeAPI

The string_decoder module from Node core

Account client API for the browser

Shared functionality for implementing device detection engine for the 51Degrees Pipeline API

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

Build CommonJS modules for the browser via a chainable API

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

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

Lightweight browser detector

Microsoft Azure SDK for JavaScript - Aborter

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

Lint browser compatibility of API used for Agoda

Copy stuff into clipboard using JS with fallbacks

Node standard library for browser.

Parse and stringify URL query strings

Convert a typed array to a Buffer without a copy

the stream module from node core for browsers

Async loader for the Appcues api

Piral Cloud: Browser-usable API Client for the Piral Feed Service.

API client for coveralls.io

Create and store keys in the browser with the webcrypto API

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

A polyfill for the proposed inert API

Universal wrapper for Fetch API

Enhanced fetch API with cache strategy, retry pattern, timeout, helper methods and enhanced types.

Universal HTTP client for Cloudflare API

JavaScript SDK to connect to the MyParcel API via Node.js or browser

Browser API service for Koishi

JavaScript/TypeScript client for the Etsy Open API v3 with OAuth 2.0 authentication

OpenCrypto is a lightweight JavaScript library built on top of WebCryptography API

Node.js style wrapper for the HTML5/Cordova FileSytem API.

Wallet address validator for Bitcoin and other Altcoins.

Ledger Hardware Wallet Web implementation of the communication layer, using U2F api

An universal client for the Lexoffice API written in Typescript

Extensible test suite API.

cross-browser getUserMedia shim with node.js style error-first API.

Use Ky in both Node.js and browsers

Isomorphic implementation of WebSocket

A lightweight JavaScript library for loading the Google Maps JavaScript API

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

the path module from node core for browsers

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

Microsoft Azure Storage SDK for JavaScript - Blob

Check whether operating system CPU architecture is 64-bit or 32-bit (Supports browsers)

Get a KeyboardEvent.key-style string from an event

translations api for node.js, browsers and the command line

Flmngr file manager (Local disk / Amazon S3 / Azure Blob)

📥 Generate Request to API from Browser

Apple's property list parser/builder for Node.js and browsers

A client for working with the BrowserStack APIs.

NgxSerial eases the use of the Serial Web API in Angular.

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

Determine if an object is a Buffer

Web api for using VITS based models in the browser!

resolve which handles browser field support in package.json

Provides access to the system's web browser and supports handling redirects. On iOS, it uses SFSafariViewController or ASWebAuthenticationSession, depending on the method you call, and on Android it uses ChromeCustomTabs. As of iOS 11, SFSafariViewControl

(recursive)? merging of (cloned)? objects.

API utilities for Cortex applications

Plugin for loglevel message prefixing

JavaScript SDK for Oxylabs AI Studio API services

Dynamic script loading for browser

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

A lightweight TypeScript RESTful API client for browsers with error handling.

[](https://developer.twitter.com/en/docs/twitter-api/early-access) [![Twitter API v1.1 badge](https://img.shields.io/endpoint?url=https%3A%2F%2Ftwba

Create a MD5 hash with hex encoding

Reverse geocoding browser-based typescript library, using free Bigdatacloud API

A lightweight, modular DOM manipulation library with chainable API, zero dependencies, and modern ES modules.

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

Tools for using the Open API Specification (OAS)

Detect device type and render your component according to it

Beeping sound in browser using Web Audio API

Check if mobile browser.

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

Library to work against complex domain names, subdomains and URIs. Only contains ICANN section.

A browser module for attempting to get access to a MediaStream of a user's screen. With a nice node-like API.

the part of vue-inbrowser-compiler-utils that contains no vue dependency

Module-friendly fork of js-cookie. A simple, lightweight JavaScript API for handling cookies

Cross-browser `CustomEvent` constructor

Tiny and elegant HTTP client based on the Fetch API

An universal client for the Lexoffice API written in Typescript

node's constants module for the browser

A generated SDK for WebSiteManagementClient.

Modern file saving library for browsers with File System Access API support and fallback

A generated SDK for ResourceManagementClient.

Navigator api for node.js

Node.js Buffer API, for Sketch

An ES5 mostly-spec-compliant `Object.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

Library for connecting to Internet Avatar API.

sort module-deps output for deterministic browserify bundles

Promisify an event by waiting for it to be emitted

A polyfill for the BarcodeDetector API using the ZXing library

OpenTelemetry Zipkin Exporter allows the user to send collected traces to Zipkin.

Module-friendly fork of js-cookie. A simple, lightweight JavaScript API for handling cookies

Next-generation TypeScript HTTP client with built-in retry, smart caching, and seamless authentication. Effortlessly handle API requests with advanced features for modern web development.

Javascript audio library for the modern web.

Copy text to the clipboard in modern browsers (0.2 kB)

Type safe web extension api (partial)

Array#isArray for older browsers

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

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

Isomorphic client library for Azure KeyVault's keys.

A test suite for browserless API

Test whether value is error object

Tiny, isomorphic convenience wrapper around the [Fetch API](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) aiming to reduce boilerplate, especially when sending and receiving JSON.

Isomorphic client library for Azure KeyVault's secrets.

ES2015 `Object.assign()` ponyfill

Oboe.js reads json, giving you the objects as they are found without waiting for the stream to finish

OpenTelemetry Collector Logs Exporter allows user to send collected logs to the OpenTelemetry Collector

API server to launch Playwright browsers via HTTP endpoints

| index | [npm-run-all] | [run-s] | [run-p] | [Node API] | |-------|---------------|---------|---------|------------|

Microsoft Azure Storage SDK for JavaScript - Queue

OpenTelemetry instrumentation for fetch http client in web browsers

Create a pretty Excel table from JSON data with a very simple API

Promptbook: Run AI apps in plain human language across multiple models and platforms

An isomorphic Buffer API

Create keys with the webcrypto API

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

Google's libphonenumber pre-compiled with the closure compiler

Push and Notifications API wrapper.

Methods for working with Telegram API

compute the bounding box of geojson features

Give your JS App some Backbone with Models, Views, Collections, and Events.

A lightweight library to decode and verify RS JWT meant for the browser.

Universal text-to-speech library using Microsoft Edge's online TTS service. Works in Node.js and browsers WITHOUT needing Microsoft Edge, Windows, or an API key

return all coordinates from a geojson object

Cross-browser, lightweight way to check if user is looking at the page or interacting with it. (wrapper around HTML5 visibility api)

Small JWT library using the Web Crypto 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+).

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

Tiny debug tool (~500 bytes) for terminal and browser inspired by visionmedia/debug API.