Showing 13411 open source projects for "javascript"

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  • 1
    LangServe

    LangServe

    Helps developers deploy LangChain runnables and chains as a REST API

    ...The framework is built on top of FastAPI and uses Pydantic for request validation and structured data handling. It also includes client libraries that allow developers to interact with deployed chains from Python or JavaScript applications. LangServe is commonly used to deploy AI applications such as chatbots, document analysis pipelines, and agent-based systems that require scalable access through APIs.
    Downloads: 7 This Week
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  • 2
    Matter.js

    Matter.js

    A 2D rigid body physics engine for the web

    Matter.js is a flexible 2D rigid body physics engine written in JavaScript, designed for use in web applications to simulate real-world physical interactions within the browser. It offers a comprehensive set of physics features like gravity, collisions, restitution (bounces), friction, sleeping bodies, and constraint systems that enable developers to build interacting objects with realistic motion. This engine can power everything from dynamic interactive animations and educational simulations to fully fledged physics-based games, and it works across major browsers and devices. ...
    Downloads: 7 This Week
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  • 3
    KaTeX

    KaTeX

    Fast math typesetting for the web.

    KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the web. Fast: KaTeX renders its math synchronously and doesn't need to reflow the page. See how it compares to a competitor in this speed test. Print quality: KaTeX's layout is based on Donald Knuth's TeX, the gold standard for math typesetting. Self contained: KaTeX has no dependencies and can easily be bundled with your website resources.
    Downloads: 7 This Week
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  • 4
    on-change

    on-change

    Watch an object or array for changes

    Watch an object or array for changes. It works recursively, so it will even detect if you modify a deep property.
    Downloads: 3 This Week
    Last Update:
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  • 5
    Chirpy Jekyll Theme

    Chirpy Jekyll Theme

    A minimal, responsive and feature-rich Jekyll theme

    A minimal, responsive and feature-rich Jekyll theme for technical writing.
    Downloads: 3 This Week
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  • 6
    Marked

    Marked

    A markdown parser and compiler. Built for speed

    ...Light-weight while implementing all markdown features from the supported flavors & specifications. Available as a command-line interface (CLI) and running in client- or server-side JavaScript projects. The only completely secure system is the one that doesn't exist in the first place. Having said that, we take the security of Marked very seriously. To prevent ReDoS attacks you can run marked on a worker and terminate it when parsing takes longer than usual. Marked can be run in a worker thread on a node server, or a web worker in a browser. ...
    Downloads: 7 This Week
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  • 7
    ProxyPin

    ProxyPin

    Open source free capture HTTP(S) traffic software ProxyPin

    ProxyPin is a full-featured, cross-platform HTTP(S) traffic capture and proxy tool. Developed in Flutter, it enables interception, inspection, rewriting, and blocking of network traffic across devices via scans and QR-based connection. It supports scripting, filtering, statistics, and integrates HTTP/2, zstd, WebSocket parsing, and AES tools.
    Downloads: 109 This Week
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  • 8
    Orbit CSS

    Orbit CSS

    First framework to create radial interfaces using only CSS

    Orbit is a CSS framework designed to create radial UI designs effortlessly. It provides intuitive CSS classes and standard web components for building radial menus, dashboards, creative portfolios, or cutting-edge applications. Orbit harnesses the power of space-inspired metaphors to simplify learning. By leveraging concepts like Big Bang, orbits, satellites, gravitational centers, and gravitational force, Orbit tries to make it easier to grasp abstract ideas, allowing users to have an idea...
    Downloads: 4 This Week
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  • 9
    Dgrm.net

    Dgrm.net

    Flowchart editor

    Dgrm is a lightweight JavaScript library designed for creating interactive diagrams and visual representations directly within web applications. It provides developers with tools to build flowcharts, graphs, and structured visual layouts using a flexible and extensible API. The library focuses on simplicity, allowing users to define nodes, edges, and relationships without requiring complex setup or dependencies.
    Downloads: 2 This Week
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  • 10
    Planck.js

    Planck.js

    2D JavaScript Physics Engine

    Planck.js is a JavaScript rewrite/port of the physics engine Box2D, designed to provide 2D rigid-body physics simulation usable directly in web contexts or any JavaScript environment. By offering collision detection, rigid-body dynamics, joints, and simulation capabilities, Planck.js makes it possible for developers to build physically realistic 2D games, simulations, or visualizations in browsers or Node.js without relying on native code.
    Downloads: 1 This Week
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  • 11
    5e-database

    5e-database

    Database for the D&D 5th Edition API

    Just a simple API for things within the Official 5th Edition SRD and is easily accessible through a modern RESTful API.
    Downloads: 7 This Week
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  • 12
    Linkify

    Linkify

    JavaScript plugin for finding links in plain-text and converting them

    Linkify is a JavaScript plugin. Use Linkify to find links in plain text and convert them to HTML tags. It automatically highlights URLs, #hashtags, @mentions and more. Detect URLs and email addresses #hashtag, @mention and #-ticket plugins. React and jQuery support. Multi-language and emoji support. Custom link plugins. Fast, accurate, and small footprint (~20kB minified, ~11kB gzipped) 99% test coverage.
    Downloads: 2 This Week
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  • 13
    DuckDuckGo Browser Extensions

    DuckDuckGo Browser Extensions

    DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome

    Privacy, simplified. One super-charged app, multiple types of privacy protection. The DuckDuckGo app provides the most comprehensive online privacy protection with the push of a button. With one download, you get a new everyday browser that offers seamless protection while you search and browse, and even access to tracking protection for emails you receive. Protecting your privacy online is like protecting your home. Locking the front door won’t stop the most determined folks from getting...
    Downloads: 29 This Week
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  • 14
    whatsapp-web.js

    whatsapp-web.js

    WhatsApp library for NodeJS that connects through the browser app

    A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app. Programmatically control WhatsApp whether you're running user or business accounts. It uses Puppeteer to run a real instance of Whatsapp Web to avoid getting blocked. Programmatically control WhatsApp whether you're running user or business accounts. Whatsapp-web.js connects to an official version of WhatsApp Web under the hood, reducing ban risks. The object-oriented approach makes it easy to get...
    Downloads: 23 This Week
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  • 15
    Ghost

    Ghost

    The world’s most popular open source headless Node.js CMS

    Ghost is a popular open source headless Node.js CMS for professional online publishing. Ghost allows writers, podcasters and other online content creators to quickly and easily set up their own sites, publish content on their own terms and deliver newsletters online. Ghost is a powerful platform that gives you complete control over design, content, delivery, experience and more. It’s got built-in SEO features, email newsletters, and works with hundreds of tools that can help speed up...
    Downloads: 23 This Week
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  • 16
    Translate Web Pages

    Translate Web Pages

    Translate your page in real time using Google or Yandex

    Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension. Your current page is translated without having to open new tabs. It is possible to change the translation language. You can select to automatically translate. To change the translation engine just touch the Google Translate icon. To translate any website it is necessary to access and modify the text of the web pages. And the extension can only do that, with...
    Downloads: 35 This Week
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  • 17
    Dinero.js

    Dinero.js

    Create, calculate, and format money in JavaScript and TypeScript

    Dinero.js is a JavaScript and TypeScript library designed to safely represent, calculate, and format monetary values in applications where precision and correctness are critical. It addresses the limitations of native number handling in JavaScript, which can lead to rounding errors and inaccuracies when working with currency. The library provides an immutable data structure for representing money, ensuring that operations such as addition, subtraction, and conversion do not introduce unintended side effects. ...
    Downloads: 5 This Week
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  • 18
    NLUX

    NLUX

    The powerful Conversational AI JavaScript Library

    ...The framework supports both React components and standalone JavaScript implementations, giving developers flexibility in how they integrate AI functionality into existing applications. NLUX focuses on improving the user experience of AI-powered systems by providing structured messaging interfaces, streaming responses, and customizable conversational UI elements.
    Downloads: 0 This Week
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  • 19
    LemonadeJS

    LemonadeJS

    LemonadeJS is a 7KB reactive JavaScript micro-library

    LemonadeJS is an ultra-lightweight, reactive JavaScript micro-library that makes building dynamic user interfaces simple and intuitive by providing two-way data binding and component reactivity without any external dependencies or build steps. At roughly 5–7 KB, it works directly in the browser or with bundlers like webpack, enabling developers to create reusable, reactive UI components using pure JavaScript, JSX, or TypeScript while avoiding heavy frameworks.
    Downloads: 0 This Week
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  • 20
    npminstall

    npminstall

    Make `npm install` fast and easy

    npminstall is an alternative package installation tool designed for faster and more efficient npm dependency management. Developed by the CNPM team, it focuses on reducing disk usage and improving installation speed, particularly for large projects.
    Downloads: 4 This Week
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  • 21
    Numi

    Numi

    Beautiful calculator app for macOS

    Numi is a handy calculator app for macOS. It allows you to describe tasks naturally and instantly get an answer. For example, $20 in euro - 5% discount or today + 2 weeks.
    Downloads: 4 This Week
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  • 22
    koa-cash

    koa-cash

    HTTP response caching for Koa. Supports Redis, in-memory store, etc.

    HTTP response caching for Koa. Supports Redis, in-memory store, and more.
    Downloads: 4 This Week
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  • 23
    Goofy

    Goofy

    Desktop client for Facebook Messenger

    ...Depending on the number of contributors and the progress of this app, I will schedule releases from time to time, which will then be distributed on goofyapp.com. To debug, there's a VSCode launch.json that can be used to debug the Electron app. To debug the Facebook JavaScript changes you'll need to use the Chrome Web Inspector.
    Downloads: 5 This Week
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  • 24
    Bootstrap Native

    Bootstrap Native

    If you are looking for Bootstrap without jQuery, this is it.

    The lighter and more compact set of JavaScript components for Bootstrap is sourced with a modern ES6+ codebase and strong TypeScript definitions. At about half the size of the original and around 12kb gZipped, this library does most of Bootstrap & Popper combined. We launched the project back in 2015 with the goal of debunking the "write less do more" myth, meanwhile the Bootstrap developers themselves have decided to drop jQuery, however, we decided to keep maintaining the project for its many benefits and the learning experience. ...
    Downloads: 2 This Week
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  • 25
    Insomnia API Client

    Insomnia API Client

    The open-source, cross-platform API client for GraphQL

    Insomnia is an open-source, cross-platform API client for GraphQL, REST, and gRPC. Deliver high-quality APIs through standards and collaboration with the Insomnia API design platform. There is a reason developers love Insomnia. With our streamlined API client, you can quickly and easily send REST, SOAP, GraphQL, and GRPC requests directly within Insomnia. Accelerate your teams through spec-driven design-first API development. Catch issues earlier, centralize standards, and adopt an API...
    Downloads: 28 This Week
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