JavaScript Libraries and Tools Page 13 of 19

LISN.js is a flexible, full-featured and simple to use library for handling user gestures and interactions (like scrolling) as well as observing elements for changes in viewport position, size and so on.

A git-native, framework-agnostic, open standard for defining AI agents. Version-controlled config that exports to Claude Code, OpenClaw, Lyzr Agent, Chimera, NanoBot, CrewAgent, and Agents SDK.

SilentDock turns your database into an instant CMS you can give to clients — no backend setup or custom admin panels required.

Share real-time progress from any process, anywhere. Works in browsers, terminals, and your favorite programming languages.

Simple syntax highlighting library written in JavaScript.

ScrapingBytes enables developers to easily scrape websites. Our service is capable of rendering Javascript websites, including single-page applications. We handle headless browsers, rotating proxies (residential, mobile, and datacenter), and more.

A terminal BitTorrent client for focused download management. Add .torrent files, track active transfers, and manage sessions from a clean keyboard-driven interface.

Knap is a flexible template language for creating Markdown. It is shared by Obsidian tools, including Web Clipper and Importer.

Compiler-based i18n library that emits tree-shakable translations, leading to up to 70% smaller bundle sizes.

Almost every large SPA or project involves date and time input. Browser's native implementations of those are inconsistent and limited in functionality. Most other libraries require you to pull in heavy dependencies like jQuery, Bootstrap, and moment.js.

Free, embeddable tip-QR web component. One line of HTML adds a branded QR + method picker that deep-links to your own crypto wallets (BIP-21) and payment links (PayPal, Cash App, Venmo, Ko-fi). No account, no custody, no fees — nothing leaves the browser. MIT, open source.

Matter.js is 2D rigid body physics engine for the web, using JavaScript and HTML5.

Hoss helps teams make better API-driven products by tracking and managing the APIs they consume. The average team uses close to 20 third-party APIs to power important parts of their applications, and half of all B2B collaboration occurs via an API - but API integrations come...

A TypeScript/JavaScript library for quickly building performant declarative user interfaces without the use of a virtual DOM.

Skylink API offers comprehensive aviation data, including real-time flight tracking, weather, and airport information. It's a developer-friendly service providing structured data for various applications like flight tracking and pilot tools.

ArkhamJS is universal TypeScript state management built around predictable Flux data flow, immutable updates, events, middleware, and persistent storage for React, React Native, Node.js, and browser applications.

A fast Rsbuild-based static site generator.

Pretty Diff is a language aware code comparison tool, beautifier, minifier, and parser for a variety of web oriented languages.

A flexible, powerful ecommerce SaaS platform. Shuup’s Single and Multi-vendor licenses are built for any business to empower vendors to sell services, subscriptions, digital media or physical products.

A lightweight reactive UI engine that unifies declarative data binding and a centralized event pipeline — delivering predictable, structured interactivity without build tools.

Simple, powerful and flexible site generation framework with everything you love from Next.js.

Writing a notebook is not just about writing the final document — Pluto empowers the experiments and discoveries that are essential to getting there.

Super fast, all natural JSON logger.

GothamJS combines accessible React components, application routing, forms, internationalization, responsive navigation, and Tailwind CSS v4 theming in one consistent TypeScript UI framework.

A [µ] micro interaction library built with CSS Animations and controlled by JavaScript Power.