JavaScript Libraries and Tools Page 19 of 19

WAD is a Javascript library for manipulating audio using the new HTML5 Web Audio API. It greatly simplifies the process of creating, playing, and manipulating audio, either for real-time playback, or at scheduled intervals.

An open-source library for browser plugin and Flutter app developers to monetize their products through consensual bandwidth sharing.

It is a cross Project for dev-Common structures, listing all final structures of any common good application .

A lightweight syntax highlighter written in JavaScript.

ExtensionPay is an open-source API to accept payments for browser extensions. It supports:

Capstart is the most complete and carefully curated collection of UI components built for CapacitorJS. Whether you're targeting iOS, Android or the web, you'll find production-ready components that feel native on every platform.

Chat with Codebuff to edit your codebase. It's a coding agent that can iterate and run terminal commands, just like a real engineer! We are going up-market from Cursor, starting at a $49/mo price point.

Speechly's tools help software development teams improve their products by removing friction and improving user experience in the touch screen experience by bringing in the voice modality.

Yurba.js is a powerful JavaScript library for creating bots and integrating with the Yurba.one API — the Ukrainian social network. It provides comprehensive tools for building automated solutions with a clean API.

DSHX is a toolchain for building DeepSeek Harness plugins with TypeScript, React and Vite. It provides project scaffolding, live development, diagnostics and typed Host–Client APIs. The DSHX Hub helps users discover plugins and check compatibility, while developers can build and...

It displays transactions which include addresses that have human readable characters in them. In addition, the service offers a functionality to encode arbitrary text as Bitcoin addresses.

Web-based tool for online comic sharing with instant full comic loading, lightweight Vanilla JavaScript build, multiple reader modes, and multilingual user interface.

RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node.

Kefir — is a Reactive Programming library for JavaScript inspired by Bacon.js and RxJS, with focus on high performance and low memory usage.

Rsdoctor is a build analyzer tailored for the Rspack ecosystem and fully compatible with the webpack ecosystem.

Drop one web component into your SaaS and give users a full drag-and-drop email editor. Framework-agnostic, white-label ready.

µJS intercepts links and form submissions, fetches pages via AJAX, and swaps fragments of the DOM. Single <script> tag, one call to mu.init(). No build step, no dependencies.

TeamSync PDF Viewer is an open-source PDF viewer SDK for React applications. It renders, annotates, redacts, watermarks and searches PDFs entirely in the browser, so documents are never uploaded to a server.

A unified logger that routes logs to various logging libraries and cloud providers while providing a fluent API for specifying log messages, metadata and errors.

Share and run snippets inside a web browser.

Rslint is a high-performance JavaScript and TypeScript linter written in Go. It offers strong compatibility with the ESLint and TypeScript-ESLint ecosystem, allowing for seamless replacement, and provides lightning-fast linting speeds.

Signal-Powered Breakpoints & Media Queries.

Hypertune is the most flexible platform for feature flags, A/B testing, analytics and app configuration. Built with full end-to-end type-safety, Git-style version control and synchronous, in-memory, local flag evaluation.

React Rich Text Editor is a UI component built completely in React that is meant to be a full-featured textarea replacement. It's based on the excellent, open source Draft.js from Facebook which is performant and production-tested.