Showing 673 open source projects for "js"

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    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

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  • 1
    Happo

    Happo

    Visual diffing in CI for user interfaces

    Happo is a visual regression testing tool. It hooks into your CI environment to compare the visual appearance of UI components before and after a change. Screenshots are taken in different browsers and across different screen sizes to ensure consistent cross-browser and responsive styling of your application. The first thing you want to do is to set up a test suite for Happo. A test suite consists of a set of components and variants of those components. There are many ways to do this, and it...
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  • 2
    rpc-websockets

    rpc-websockets

    JSON-RPC 2.0 implementation over WebSockets for Node.js

    ...It provides a possibility to send and receive JSON data through the WebSocket communication protocol in order to support two-way notification push, running RPC methods and firing any types of event signalling. Only clients can call RPC methods and not vice versa at the moment. Both frontend (HTML/JS-based) and backend (Node.js-based) development environments are supported.
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  • 3
    emotion

    emotion

    CSS-in-JS library designed for high performance style composition

    Emotion is a library designed for writing css styles with JavaScript. It provides powerful and predictable style composition in addition to a great developer experience with features such as source maps, labels, and testing utilities. Both string and object styles are supported. There are two primary methods of using Emotion. The first is framework agnostic and the second is for use with React. Similar to the style prop, but also has support for auto vendor-prefixing, nested selectors, and...
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  • 4
    iFrame Resizer

    iFrame Resizer

    Keep same and cross domain iFrames sized to their content

    ...Fixes in page links in iFrame and supports links between the iFrame and parent page. Works with ViewerJS to support PDF and ODF documents. The package contains two minified JavaScript files in the js folder. The first (iframeResizer.min.js) is for the page hosting the iFrames.
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  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
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  • 5
    Ember.js

    Ember.js

    A JavaScript framework for creating ambitious web applications

    ...Ember helps keep you at your most productive with its solid CLI, built-in router, fully-featured data access library called Ember Data, and many other great features. Ember also comes with a Glimmer rendering engine, one of the fastest rendering technologies on the market today. Ember has got everything that modern JS has to offer, and if you want more you can always turn to Ember's high-quality, curated community Addons to supercharge your application.
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  • 6
    Backbone

    Backbone

    Give your JS app some Backbone with models, views, and collections

    Backbone is a lightweight JavaScript library (sometimes described as a micro-framework) created by Jeremy Ashkenas that adds structure to JavaScript-heavy applications by providing models, views, collections, events and routing tied to RESTful JSON services. Its main philosophy is to provide the minimal set of primitives to organise your client-side code — models for data, collections for groups of models, views for UI interactions, and routers for state/URL management — without prescribing...
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  • 7
    Firecrawl MCP Server

    Firecrawl MCP Server

    Adds powerful web scraping and search to Cursor and Claude

    firecrawl-mcp-server is the official MCP integration for Firecrawl that brings high-recall web scraping, crawling, and search into IDEs and agent runtimes. It exposes tools for single-page scrape, multi-URL batch jobs, site discovery, and search enrichment, returning cleaned, structured content suitable for downstream LLM reasoning. The server is designed to run with Firecrawl’s hosted API or self-hosted deployments, making it flexible for enterprise data-governance requirements. Built-in...
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  • 8
    Tagify

    Tagify

    Lightweight, efficient Tags input component in Vanilla JS

    Transforms an input field or a textarea into a Tags component, in an easy, customizable way, with great performance and a small code footprint, exploded with features. Customizable HTML templates for the different areas of the component (wrapper, tags, dropdown, dropdown item, dropdown header, dropdown footer) Shows suggestions list (flexible settings & styling) at full (component) width or next to the typed texted (caret) Allows setting suggestions' aliases for easier fuzzy-searching....
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  • 9
    Halfmoon

    Halfmoon

    Front-end framework with a built-in dark mode

    Front-end framework with a built-in dark mode and full customizability using CSS variables; great for building dashboards and tools. Halfmoon is a responsive front-end framework that is great for building dashboards and tools. Built-in dark mode, full customizability using CSS variables (around 1,500 variables), optional JavaScript library (no jQuery), Bootstrap-like classes, and cross-browser compatibility (including IE11). Halfmoon comes with a built-in, toggleable dark mode, which is one...
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    Build Securely on Azure with Proven Frameworks

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  • 10
    jscodeshift

    jscodeshift

    A JavaScript codemod toolkit

    ...The primary way to identify nodes is via their type. It's OK to not know the structure of every AST node type. The (esprima) AST explorer is an online tool to inspect the AST for a given piece of JS code.
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  • 11
    Bootstrap Table

    Bootstrap Table

    Extended table to integration with some of the most widely used CSS

    Include Bootstrap Table source CSS and JavaScript files via npm or yarn. When you only need to include Bootstrap Table’s compiled CSS or JS, use UNPKG. Download Bootstrap Table to get the compiled CSS and JavaScript, source code, or include it with your favorite package managers like npm, bowser, and more. Install and manage Bootstrap table’s CSS, JavaScript, locales, and extensions using npm. Install and manage Bootstrap table’s CSS, JavaScript, locales, and extensions using bower. ...
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  • 12
    React Redux

    React Redux

    React bindings for Redux

    ...Automatically implements complex performance optimizations, so that your own component only re-renders when the data it needs has actually changed. Redux itself is a standalone library that can be used with any UI layer or framework, including React, Angular, Vue, Ember, and vanilla JS. Although Redux and React are commonly used together, they are independent of each other.
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  • 13
    Recorder

    Recorder

    HTML5 js recording mp3 wav ogg webm amr format

    ​Supports microphone recording and real-time processing in most of the implemented getUserMediamobile and PC browsers, mainly including Chrome, Firefox, Safari, iOS 14.3+, Android WebView, Tencent Android X5 kernel (QQ, WeChat, Mini Program WebView) , uni-app (App, H5), and most Android phones updated after 2021 have their own browsers; do not support: UC-based kernel (typical Alipay), most of the old domestic mobile phones that have not been updated have their own browsers and any other...
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  • 14
    Join Monster

    Join Monster

    A GraphQL to SQL query execution layer for query planning

    ...Join Monster is a tool built on top to add batch data fetching. You add some special properties along-side the schema definition that Join Monster knows to look for. The use of graphql-js does not change. You still define your types the same way. You can write resolve functions to manipulate the data from Join Monster, or incorporate data from elsewhere without breaking out of your "join-monsterized" schema.
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  • 15
    eslint-plugin-vue

    eslint-plugin-vue

    ESLint plugin for Vue.js

    ESLint plugin for Vue.js. This plugin allows us to check the template and script of .vue files with ESLint, as well as Vue code in .js files. This plugin supports the basic syntax of Vue.js 3.2, script setup, and CSS variable injection, but the ref sugar, an experimental feature of Vue.js 3.2, is not yet supported. If you have issues with these, please also refer to the FAQ. If you can't find a solution, search for the issue and if the issue doesn't exist, open a new issue.
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  • 16
    Ember CLI Mirage

    Ember CLI Mirage

    An Ember Addon to easily add Mirage JS to your Ember app

    Mirage is a JavaScript library that lets frontend developers mock out backend APIs. Unlike other mocking libraries, Mirage makes it easy to reproduce dynamic scenarios that are typically only possible when using a true production server. Equipped with a Mirage server, a frontend developer can build, test, and even share a complete working Ember application without having to use or configure any backend services. Mirage was originally built to bring conventions to some home-grown HTTP mocking...
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  • 17
    JanusWeb

    JanusWeb

    An in-browser implementation of JanusVR

    JanusXR re-imagines webpages as collaborative 3D web spaces interconnected by portals. JanusXR turns any webpage into its own three-dimensional space where users can meet and explore with others. Host content on the open web and customize Janus' open-source multiplayer server to fit your needs. VESTA is JanusXR's user-driven community. Post your own spaces and get feedback from other community members! The built-in editor allows users to join together to create content in real-time....
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  • 18
    Metro 4

    Metro 4

    Impressive component library for expressive web development

    ...Metro 4 is accessible in various ways. You can get Metro 4 from NPM, Nuget, GitHub, and GitLab. Metro 4 is an open source toolkit for developing with HTML, CSS, and JS. Quickly prototype your ideas or build your entire app with responsive grid system, extensive prebuilt components, and powerful plugins. Metro 4 developed to build websites in Windows Metro Style and include general styles, grid, layouts, typography, 100+ components and routines, 500+ built-in icons.
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  • 19
    DataLoader

    DataLoader

    Generic utility to use with an application's data fetching layer

    ...This ultimately became the underpinning for Facebook's GraphQL server implementation and type definitions. DataLoader is a simplified version of this original idea implemented in JavaScript for Node.js services. DataLoader is often used when implementing a graphql-js service, though it is also broadly useful in other situations.
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  • 20
    Inquirer.js

    Inquirer.js

    A collection of common interactive command line user interfaces

    ...Create a self contained inquirer module. If you don't want to affect other libraries that also rely on inquirer when you overwrite or add new prompt types. Internally, Inquirer uses the JS reactive extension to handle events and async flows. This mean you can take advantage of this feature to provide more advanced flows. For example, you can dynamically add questions to be asked.
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  • 21
    SuperAgent

    SuperAgent

    Ajax for Node.js and browsers (JS HTTP client)

    SuperAgent is light-weight progressive ajax API crafted for flexibility, readability, and a low learning curve after being frustrated with many of the existing request APIs. It also works with Node.js! Small progressive client-side HTTP request library, and Node.js module with the same API, supporting many high-level HTTP client features. Browser-ready versions of this module are available via jsdelivr, unpkg, and also in the node_modules/superagent/dist folder in downloads of the superagent...
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  • 22
    Size Limit

    Size Limit

    Calculate the real cost to run your JS app or lib

    Size Limit is a JavaScript performance budget tool that measures the real cost of your JavaScript bundle and prevents regressions by enforcing limits in CI. It calculates not just raw bundle size, but also download and execution time under configurable network conditions, giving a more realistic sense of what users experience. The tool is modular: it offers a CLI and multiple plugins (file, webpack, time) plus presets tailored to different use cases, from big single-page apps to small npm...
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  • 23
    Jspreadsheet CE

    Jspreadsheet CE

    Javascript plugin to create web-based tables & spreadsheets

    Jspreadsheet CE is a lightweight Vanilla JavaScript data grid plugin to create amazing web-based interactive HTML tables, and spreadsheets compatible data grid with other spreadsheet software. You can create an online spreadsheet table from a JS array, JSON, CSV or XSLX files. You can copy from excel and paste straight to your Jspreadsheet CE spreadsheet and vice versa. It is very easy to integrate any third party JavaScript plugins to create your own custom columns, custom editors, and customize any feature into your application. Jspreadsheet CE has plenty of different input options through its native column types to cover the most common web-based application requirements. ...
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  • 24
    OrbitDB

    OrbitDB

    Peer-to-peer databases for the decentralized web

    OrbitDB is a serverless, distributed, peer-to-peer database. OrbitDB uses IPFS as its data storage and IPFS Pubsub to automatically sync databases with peers. It's an eventually consistent database that uses CRDTs for conflict-free database merges making OrbitDB an excellent choice for decentralized apps (dApps), blockchain applications and local-first web applications. All databases are implemented on top of ipfs-log, an immutable, operation-based conflict-free replicated data structure...
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  • 25
    Quasar Framework

    Quasar Framework

    Build high-performance VueJS user interfaces in record time

    Effortlessly build high-performance & high-quality Vue.js 3 user interfaces in record time. Combine the power of Quasar UI with Quasar CLI. One source code for all platforms simultaneously with all the latest and greatest best practices out of the box. Focus only on your app's features and forget about the boilerplate around it. Build high-performance VueJS user interfaces in record time: responsive Single Page Apps, SSR Apps, PWAs, Browser extensions, Hybrid Mobile Apps and Electron Apps....
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