Showing 11887 open source projects for "javascript"

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  • 1
    Saeba's Blog

    Saeba's Blog

    Where Saeba writes his blog, he plans to write four series: JavaScript

    Blog is a large Chinese-language frontend engineering knowledge base maintained by mqyqingfeng. It collects in-depth articles on JavaScript internals, practical JavaScript topics, ES6, React, and broader frontend development ideas. Rather than being a software package, it functions as a structured educational repository for developers who want to understand how JavaScript features work under the hood. Many articles focus on concepts such as execution context, scope, prototypes, closures, debounce, throttle, deep copy, currying, and implementation patterns inspired by popular libraries. ...
    Downloads: 0 This Week
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  • 2
    quickjs-emscripten

    quickjs-emscripten

    Safely execute untrusted Javascript in your Javascript

    quickjs-emscripten is a JavaScript library that compiles the QuickJS engine into WebAssembly using Emscripten, enabling developers to run JavaScript code inside a sandboxed environment within browsers or server-side JavaScript runtimes. It provides a secure and isolated execution context, making it particularly useful for running untrusted or user-generated code safely.
    Downloads: 0 This Week
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  • 3
    decimal.js

    decimal.js

    An arbitrary-precision Decimal type for JavaScript

    decimal.js is a JavaScript library that provides an arbitrary-precision decimal data type designed to overcome the limitations of native floating-point arithmetic in JavaScript. It allows developers to perform accurate calculations with numbers of virtually unlimited precision, making it especially useful for financial, scientific, and high-precision applications.
    Downloads: 0 This Week
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  • 4
    MicroQuickJS

    MicroQuickJS

    Public repository of the Micro QuickJS Javascript Engine

    MicroQuickJS (MQuickJS) is a compact JavaScript engine designed specifically for embedded systems where memory and storage are extremely limited. Its primary goal is to compile and run JavaScript programs using minimal RAM, making it suitable for microcontrollers and constrained devices that cannot host a full-featured runtime. The engine is intentionally small in ROM footprint while still providing practical performance comparable to lightweight desktop-grade embeddable engines in its class. ...
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  • 5
    json-joy

    json-joy

    json-joy — JSON CRDT, JSON CRDT Patch, JSON Patch

    json-joy library implements cutting-edge real-time and collaborative editing algorithms and other utilities for JSON data models. Major focus of json-joy is development of the JSON CRDT protocol, a Conflict-free Replicated Data Type that enables seamless merging of changes in JSON data models, avoiding conflicts between replicas.
    Downloads: 0 This Week
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  • 6
    Webpack Encore

    Webpack Encore

    A simple but powerful API for processing and compiling assets

    Symfony ships with a pure-JavaScript library, called Webpack Encore, that makes it a joy to work with CSS and JavaScript. You can use it, use something else, or create static CSS and JS files in your public/ directory directly and include them in your templates. Webpack Encore is a simpler way to integrate Webpack into your application. It wraps Webpack, giving you a clean & powerful API for bundling JavaScript modules, pre-processing CSS & JS, and compiling and minifying assets. ...
    Downloads: 0 This Week
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  • 7
    Jest

    Jest

    Delightful JavaScript Testing

    Jest is a delightful, comprehensive JavaScript testing framework that works right out of the box for most JavaScript projects. It works on projects that use Babel, TypeScript, Angular, React, Node and so much more! It works fast and simple, capturing snapshots either alongside your tests or embedded inline to make testing and tracking changes over time a whole lot easier.
    Downloads: 0 This Week
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  • 8
    Kibana

    Kibana

    Your window into the Elastic Stack

    Kibana is a analytics and search dashboard for Elasticsearch that allows you to visualize Elasticsearch data and efficiently navigate the Elastic Stack. With Kibana you can visualize and shape your data simply and intuitively, share visualizations for greater collaboration, organize dashboards and visualizations, and so much more.
    Downloads: 11 This Week
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  • 9
    MCP Server Playwright

    MCP Server Playwright

    MCP server for browser automation using Playwright

    An MCP (Model Context Protocol) server that leverages Playwright to provide browser automation capabilities, enabling large language models (LLMs) to interact with web pages, take screenshots, and execute JavaScript within a real browser environment. ​
    Downloads: 0 This Week
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  • 10
    Boring Avatars

    Boring Avatars

    JavaScript React library that generates custom, SVG-based avatars

    Boring avatars is a tiny JavaScript React library that generates custom, SVG-based avatars from any username and color palette. You can embed your boring avatars using the boring avatars source. Choose a random avatar from a specific user and a color palette.
    Downloads: 0 This Week
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  • 11
    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: 24 This Week
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  • 12
    Flow

    Flow

    A static type checker for JavaScript

    Flow is a static type checker for JavaScript. It was designed to help improve code quality and developer productivity. It does this through several smart capabilities. First, it identifies problems as you code, so you no longer have to waste time guessing and checking again and again. Second, it understands your code and makes its knowledge available, allowing you to build other smart tools on top of it.
    Downloads: 5 This Week
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  • 13
    CodeMirror

    CodeMirror

    A versatile in-browser code editor

    CodeMirror is a versatile in-browser code editor implemented in JavaScript. Made specifically for editing code, it comes with more than a hundred language modes and numerous addons for more advanced code editing functionality. CodeMirror comes with several useful features, including autocompletion, code folding, configurable key bindings, Linter integration and many more. It supports the standard desktop versions of the following browsers: Firefox, Chrome, Safari, Opera and Internet Explorer/ Edge. ...
    Downloads: 5 This Week
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  • 14
    Mongoose

    Mongoose

    Elegant mongodb object modeling for node.js

    Mongoose is a MongoDB object modeling tool that was built to answer the need for better ways to model your application data. It's designed to work in an asynchronous environment, providing a simple, straightforward approach to object modeling that skips out on the tedious tasks of writing MongoDB validation, casting and business logic boilerplate. Mongoose offers an uncomplicated schema-based solution, and comes with nifty features like type casting, validation, query building, and business...
    Downloads: 9 This Week
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  • 15
    BitTorrent Tracker

    BitTorrent Tracker

    Simple, robust, BitTorrent tracker (client & server) implementation

    A self-hosted, open-source BitTorrent tracker written in Node.js, allowing users to run their own torrent tracking server.
    Downloads: 4 This Week
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  • 16
    Wekan

    Wekan

    The open-source kanban

    Wekan is a completely open source and free collaborative kanban board application. Kanban boards are an ideal tool for organizing things and ideas, and with Wekan you can get it free and private- simply install Wekan on your own computer or server. Wekan is available for one-click installation on all major platforms: Linux, Mac and Windows; as well as many other platforms. Wekan is built with Meteor and has been translated into around 50 languages. It’s used the world over by companies...
    Downloads: 12 This Week
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  • 17
    Open Claude Cowork

    Open Claude Cowork

    Open Source version of Claude Cowork built with Claude Code

    Open Claude Cowork is an open source desktop chat application that brings the power of autonomous, agent-style AI workflows to your local machine by combining the Claude Agent SDK with the Composio Tool Router, enabling developers and power users to build intelligent assistants that can interact with a vast array of external tools and services. It offers a native Electron-based interface for macOS, Windows, and Linux that feels familiar and modern, supporting persistent, multi-session...
    Downloads: 28 This Week
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  • 18
    browser-compat-data

    browser-compat-data

    This repository contains compatibility data for Web technologies

    The browser-compat-data ("BCD") project contains machine-readable browser (and JavaScript runtime) compatibility data for Web technologies, such as Web APIs, JavaScript features, CSS properties, and more. Our goal is to document accurate compatibility data for Web technologies, so web developers may write cross-browser compatible websites more easily. BCD is used in web apps and software such as MDN Web Docs, CanIUse, Visual Studio Code, WebStorm and more.
    Downloads: 3 This Week
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  • 19
    The Homebrewery

    The Homebrewery

    Create authentic looking D&D homebrews using only markdown

    The Homebrewery is a tool for making authentic-looking D&D content using Markdown. It is distributed under the terms of the MIT License.
    Downloads: 3 This Week
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  • 20
    MUI Core

    MUI Core

    React components for faster and easier web development

    MUI Core (formerly Material-UI) consists of React components for faster and easier web development, with options for creating your own design system or starting with Material design. MUI components work without any additional setup, and don't pollute the global scope.
    Downloads: 3 This Week
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  • 21
    sharer.js

    sharer.js

    Create your own social share buttons. No jquery. Just vanilla JS

    Sharer.js is a lightweight vanilla JavaScript library for creating custom social sharing controls on website elements. It works without jQuery, frameworks, or external runtime dependencies. Developers configure each control through HTML data attributes that define the service, URL, title, popup size, and other platform-specific values. The library supports more than 20 social networks, messaging services, blogging platforms, and bookmarking tools.
    Downloads: 1 This Week
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  • 22
    mathjs

    mathjs

    An extensive math library for JavaScript and Node.js

    mathjs is a comprehensive mathematics library for JavaScript and Node.js that provides advanced numerical, symbolic, and matrix computation capabilities through a flexible expression-based interface. The library supports a wide range of mathematical operations including algebra, statistics, complex numbers, fractions, units, matrices, and symbolic manipulation while maintaining compatibility across browsers and server environments.
    Downloads: 1 This Week
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  • 23
    MDN Learning Area

    MDN Learning Area

    GitHub repo for the MDN Learning Area

    learning-area is the official GitHub repository for the MDN Web Docs Learning Area, a collection of educational resources designed to teach core web development technologies. It contains the code examples referenced throughout MDN’s tutorials and articles, covering topics such as HTML, CSS, JavaScript, and web APIs. Each directory in the repository mirrors the module structure of the MDN Learning Area, allowing learners to follow along easily as they read through corresponding lessons. The examples are written to be simple, instructive, and directly aligned with MDN’s documentation, making it an ideal hands-on companion for web development education. ...
    Downloads: 1 This Week
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  • 24
    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: 1 This Week
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  • 25
    UpscalerJS

    UpscalerJS

    Image Upscaling in Javascript. Increase image resolution up to 4x

    Image Upscaling in Javascript. Increase image resolution up to 4x using Tensorflow.js. Open source, browser/Node compatibility, and completely free to use under the MIT license. Scale images up to 4x their original size, all in Javascript. UpscalerJS ships with pre-trained models in the box covering a wide variety of use cases. Or bring your own! Browser, Node (CPU and GPU-accelerated), and Service Worker environments all supported.
    Downloads: 1 This Week
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