JSPM

Node.js Buffer API, for the browser

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

Get up and running with the google maps API quickly

Node.js Buffer API, for the browser

Inference API for Azure-supported AI models

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

A polyfill of IntersectionObserver API

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

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

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

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

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

Tiny and elegant HTTP client based on the Fetch API

A simple, lightweight API for handling cookies in the browser

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

Authentication library for the browser environment using Web Crypto API

Typescript Networking Library for the Yext Search API

Node SDK for Hyperbrowser API

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

localStorage-compatible API, but only stored in memory

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

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

The API package of Yoroi SDK

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

A polyfill for the proposed blocking elements stack API

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

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.

hoodie.connectionStatus API for the browser

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

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

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

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

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

Isomorphic Performance API for Node, Browser & React Native

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).

A simple async local mock API without backend.

A polyfill for the Resize Observer API

log API for the browser

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

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

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

Official Droplr API Client for Javascript

Typescript Networking Library for the Yext Chat API

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

Account client API for the browser

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

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

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

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

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

Wrapper for asynchronously load Google Maps API with Promise.

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

synology api for nodejs

Async loader for the delighted api (browser, typescript)

JavaScript Client API for Kurento Media Server

Cross-environment (nodejs/web) fetch API

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

dom events with a node-style EventEmitter api

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

Emulators (dos) with standartized API

The implementation of the Screen API for jsdom-browser.

quickly create a simple and extendable api-client

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

Universal WHATWG Fetch API for Node, Browsers and React Native

React component for the Javascript Notification API

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

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

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

Device detection cloud services for the 51Degrees Pipeline API

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

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

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

JavaScript Client API for Kurento Media Server

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

Client-side JavaScript toolkit for Pluggy's API.

A TypeScript API client using fetch with axios-like interface

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+

The string_decoder module from Node core

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

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)

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

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

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

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

An API wrapper for PokeAPI

Microsoft Azure SDK for JavaScript - Aborter

Lightweight browser detector

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

Build CommonJS modules for the browser via a chainable API

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

Convert a typed array to a Buffer without a copy

Node standard library for browser.

Copy stuff into clipboard using JS with fallbacks

Parse and stringify URL query strings

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

the stream module from node core for browsers

A polyfill for the proposed inert API

Universal wrapper for Fetch API

Light wrapper around browser *Storage API, IE8+

Browser API service for Koishi

Create and store keys in the browser with the webcrypto API

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

Lint browser compatibility of API used for Agoda

Async loader for the Appcues api

An universal client for the Lexoffice API written in Typescript

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

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.

A lightweight JavaScript library for loading the Google Maps JavaScript API

API client for coveralls.io

Wallet address validator for Bitcoin and other Altcoins.

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

Isomorphic implementation of WebSocket

Use Ky in both Node.js and browsers

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

the path module from node core for browsers

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

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

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

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

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

Microsoft Azure Storage SDK for JavaScript - Blob

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

Get a KeyboardEvent.key-style string from an event

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

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

A client for working with the BrowserStack APIs.

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

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

Extensible test suite API.

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.

resolve which handles browser field support in package.json

Determine if an object is a Buffer

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

API utilities for Cortex applications

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

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

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

Plugin for loglevel message prefixing

Dynamic script loading for browser

JavaScript SDK for Oxylabs AI Studio API services

[](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

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

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

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

Check if mobile browser.

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

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

Node.js Buffer API, for Sketch

Navigator api for node.js

Universal HTTP client for Cloudflare API

A generated SDK for WebSiteManagementClient.

node's constants module for the browser

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

A generated SDK for ResourceManagementClient.

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

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

sort module-deps output for deterministic browserify bundles

An universal client for the Lexoffice API written in Typescript

Array#isArray for older browsers

Library for connecting to Internet Avatar API.

Promisify an event by waiting for it to be emitted

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

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

Isomorphic client library for Azure KeyVault's keys.

Type safe web extension api (partial)

Javascript audio library for the modern web.

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

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

Beeping sound in browser using Web Audio API

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

API server to launch Playwright browsers via HTTP endpoints

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.

Test whether value is error object

Implementation of the hyperswarm API for use in web browsers

Isomorphic client library for Azure KeyVault's secrets.

A test suite for browserless API

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

ES2015 `Object.assign()` ponyfill

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

Tiny and elegant HTTP client based on the Fetch API

Create keys with the webcrypto API

OpenTelemetry instrumentation for fetch http client in web browsers

Microsoft Azure Storage SDK for JavaScript - Queue

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

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

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

Browser-specific Lightweight JS SDK for Crudify GraphQL API

Push and Notifications API wrapper.

Google's libphonenumber pre-compiled with the closure compiler

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

XyPriss is a lightweight, TypeScript-first, open-source Node.js web framework crafted for developers seeking a familiar Express-like API without Express dependencies. It features built-in security middleware, a robust routing system, and performance optim

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

The Anedya SDK is a JavaScript/TypeScript library that allows you to access the Anedya Platform API from your web application. It provides a simple and intuitive interface for interacting with the Anedya API, making it easy to integrate Anedya into your e

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

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

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

compute the bounding box of geojson features

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

An isomorphic Buffer API

return all coordinates from a geojson object

A lightweight and universal Instagram API client

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

Node [streams2](http://nodejs.org/api/stream.html) over [Primus](https://github.com/primus/primus): added back-pressure!

Auth0 headless browser sdk

A JavaScript API for handling cookies

An isomorphic Buffer API

The TrueToForm API SDK

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

Small JWT library using the Web Crypto API

Base class for node which OpenTelemetry instrumentation modules extend

Fastest, most accurate & effecient user agent string parser, uses Browserscope's research for parsing

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

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

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

UI utilities

Isomorphic method for accessing the webcrypto API both from node.js and from the browser (including workers)

A Node.js wrapper for the Backpack.tf economy Web API.

A polyfill for the BarcodeDetector API using the ZXing library

A simple Vue.js plugin for handling browser cookies

Node [streams2](http://nodejs.org/api/stream.html) over [Primus](https://github.com/primus/primus): added back-pressure!

A generated SDK for SqlManagementClient.

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An extendable drop-in replacement for the native MediaRecorder.

Generic browser priority queue.