whatisgithub

Popular JavaScript repositories on GitHub, each answered in plain English for non-coders: what it is, its tech stack, and how to run it.

• sallar/github-contributions-chartA web app that turns your entire GitHub contribution history into a downloadable image you can share on social
• lukeed/polkaPolka is a tiny, fast Node.js web server that works like Express but is 33-50% faster and much smaller — nearl
• zxlie/fehelperA browser extension for Chrome, Firefox, and Edge that bundles dozens of web developer utilities into one popu
• 501351981/vue-officeA JavaScript library for Vue (and plain JS or React) that lets you display Word, Excel, PDF, and PowerPoint fi
• crocodilestick/calibre-web-automatedA self-hosted ebook library server that runs as a Docker container and automatically ingests, converts, and or
• flatiron/directorDirector is a tiny JavaScript routing library with no dependencies that works in both the browser and Node.js.
• borisbanushev/stockpredictionaiA Jupyter notebook walkthrough for building a stock price prediction pipeline using a GAN, LSTM, sentiment ana
• huluoyang/freecodecamp.cnA Chinese-language community adaptation of freeCodeCamp that removes language and network barriers so learners
• haraka/harakaA Node.js email server that receives and routes SMTP mail, with a plugin system so you can add spam filtering,
• postcatlab/postcatA cross-platform API testing tool for sending HTTP and WebSocket requests, writing documentation, running mock
• regl-project/reglA JavaScript library that makes WebGL easier by replacing complex global state with simple, self-contained dra
• insin/nwbA deprecated zero-config toolkit for building React, Preact, and plain JavaScript apps and libraries. The auth
• miragejs/miragejsMirage JS runs a fake backend server entirely inside your browser or test runner, so you can build and test fr
• ohmjs/ohmA JavaScript toolkit for building custom parsers and languages — describe your format's rules in a grammar fil
• dash-industry-forum/dash.jsA JavaScript library that adds adaptive video streaming to any web page — it picks the best quality for each v
• chavyleung/scriptsThis repo contains BoxJs, a browser-based settings panel for managing scripts inside iOS proxy apps like Surge
• callmecavs/layzr.jsA small JavaScript library that delays image loading until each image is almost visible on screen, making imag
• freestylefly/awesome-gpt-image-2A library of 400+ structured, reusable prompt templates for GPT-Image-2 organized by category — designed for b
• chrisleekr/binance-trading-botAn automated cryptocurrency trading bot for Binance that uses trailing grid trading to chase price lows when b
• expressjs/body-parserA small Node.js library used with Express web servers to automatically decode incoming request data — JSON, fo
• mpetroff/pannellumPannellum is a lightweight browser-based 360-degree panorama viewer (21KB gzipped) that embeds into any webpag
• studio-42/elfinderA browser-based file manager that looks and works like a desktop file explorer, with drag-and-drop, right-clic
• scratchfoundation/scratch-guiThe official browser-based editor for Scratch 3.0, where beginners and children build programs by snapping tog
• prose/proseA web-based editor that lets non-technical users create, edit, and delete files in GitHub repositories through
• fchollet/arc-agiARC-AGI is an AI benchmark of 800 grid puzzles designed to measure flexible reasoning rather than memorization
• igorescobar/jquery-mask-pluginA tiny jQuery library that automatically formats form fields as users type, inserting separators for phone num
• cjb/gittorrentA proof-of-concept that lets you clone and share Git repositories peer-to-peer using BitTorrent and a distribu
• transitive-bullshit/create-react-libraryA CLI tool that scaffolds a publishable React component library with bundling, hot-reload development, and npm
• gitpoint/git-pointA free, unofficial GitHub mobile app for iOS and Android built with React Native. Browse repos, manage notific
• segmentio/analytics.jsA JavaScript library that sends your website's user-behavior events to 250+ analytics services at once with a
• baidu/sanSan is a small, fast JavaScript framework from Baidu for building interactive web interfaces from reusable com
• jamiewilson/form-to-google-sheetsA guide and code snippet for saving HTML form submissions directly into a Google Sheet using a small Google Ap
• fent/node-ytdl-coreA Node.js library for downloading YouTube videos programmatically — give it a URL and get back a readable stre
• 23/resumable.jsResumable.js is a dependency-free JavaScript library that splits large file uploads into chunks and retries fa
• jackmoore/colorboxColorbox is a jQuery plugin that displays images, videos, and other content in a lightbox overlay on top of th
• request/request-promiseA deprecated Node.js library that added Promise-based HTTP request handling on top of the 'request' package. N
• samyk/evercookieEvercookie is a JavaScript research library that stores a tracking identifier in over a dozen browser location
• redux-utilities/flux-standard-actionA minimal spec and tiny JavaScript utility that defines a consistent shape for action objects in Redux and Flu
• jsonresume/resume-cliA command-line tool for the JSON Resume standard. Write your resume once as a structured text file, then previ
• consensys-archive/ganache-uiA desktop app that runs a fake local Ethereum blockchain on your computer so you can test smart contracts with
• 7sageer/sublink-workerA tool that converts and combines proxy subscription links from multiple services into the format your preferr
• visionmedia/move.jsMove.js is a tiny JavaScript library for animating webpage elements with a simple chained API — move things, r
• apple/password-manager-resourcesA shared data repository where password manager developers pool knowledge about website quirks — password rule
• supasate/connected-react-routerA JavaScript library that syncs Redux and React Router so the current URL is always part of your app's data st
• developit/greenletA tiny JavaScript library that moves any async function into a background browser thread with one line of code
• huddleeng/phantomcssA JavaScript tool that catches accidental visual changes in websites by comparing screenshots before and after
• maggieappleton/digital-gardenersA curated collection of tools, tutorials, and real-world examples for building a personal digital garden — a p
• simplewebrtc/simplewebrtcSimpleWebRTC was a deprecated JavaScript library that made it easy to add live video and audio calls to a webp
• tencent/cherry-markdownCherry Markdown is a JavaScript Markdown editor by Tencent that you can embed in any website without a framewo
• ismaelmartinez/teams-for-linuxAn unofficial Linux desktop app for Microsoft Teams built with Electron, adding system tray, notifications, sc
• gorhill/umatrixuMatrix is a browser extension for Firefox and Chrome that lets you block or allow any network request a websi
• meetfranz/franzA desktop app that combines multiple messaging services — WhatsApp, Slack, Telegram, Hangouts, and others — in
• sagalbot/vue-selectA drop-in replacement for the plain HTML select element in Vue.js apps that adds search-as-you-type, multi-sel
• nikkinikki-org/openwrt-nikkiAn OpenWrt router package that routes all your home network traffic through a proxy server automatically, usin
• yuche/vue-strapA deprecated library of Bootstrap 3 interface components rebuilt for Vue 1.x, eliminating the jQuery dependenc
• certd/certdAutomated tool that requests, renews, and deploys SSL certificates for your websites using Let's Encrypt, hand
• preactjs/preact-cliA command-line tool that scaffolds a Preact web application with performance defaults already configured — cod
• neuland/micro-frontendsA website and content repository explaining the concept of micro-frontends, which splits a web app's user inte
• brunosimon/folio-2019The complete source code for Bruno Simon's 2019 personal portfolio website, a JavaScript project with a local
• knownsec/kconA GitHub repository hosting materials from KCon, a security conference run by Knownsec. Likely contains presen
• webpack/mini-css-extract-pluginA webpack 5 plugin that pulls CSS out of your JavaScript bundles into separate files, so browsers can load and
• jannchie/historical-ranking-data-visualization-based-on-d3.jsTurn a CSV spreadsheet into an animated bar chart race video — bars grow, shrink, and swap positions as time m
• react-syntax-highlighter/react-syntax-highlighterA React component that adds colorful syntax highlighting to code blocks. Drop in your code, pick a language an
• callmecavs/bricks.jsBricks.js is a lightweight JavaScript library that creates Pinterest-style masonry grid layouts, automatically
• electerious/ackeeAckee is a self-hosted website analytics tool that counts page visits without cookies or personal data collect
• alibaba/butterflyButterfly is a JavaScript library for building drag-and-drop diagram editors in the browser — think workflow b
• alexnisnevich/untrustedA browser puzzle game where you write real JavaScript code to modify the game's own source and help the charac
• l0o0/translators_cnA community-maintained set of scripts that teach the Zotero reference manager how to save citation details fro
• itheima1/blockchainA free 120-day full-stack blockchain development curriculum in Chinese, covering Kotlin, JavaScript, Java micr
• canadahonk/porfforAn experimental ahead-of-time compiler that turns JavaScript and TypeScript into WebAssembly or native C binar
• ballercat/waltAn experimental compiler that lets JavaScript developers write typed, JavaScript-like code that compiles direc
• style-dictionary/style-dictionaryA build tool that lets you define design values like colors and spacing once in a shared JSON file, then autom
• octokatherine/readme.soreadme.so is a browser-based drag-and-drop editor that lets you build a polished README file for your project
• mrswitch/hello.jsA JavaScript library that adds social sign-in buttons for Google, Facebook, and Windows Live to any website, h
• danburzo/percollateA command-line tool that fetches web pages, strips ads and clutter, and saves them as clean PDFs, EPUBs, HTML,
• wandergis/coordtransformA zero-dependency JavaScript utility that converts GPS coordinates between the three mapping systems used in C
• nolanlawson/fuiteA command-line tool that automatically finds memory leaks in web apps by opening Chrome, clicking through your
• tomchentw/react-google-mapsA React component library that wraps the Google Maps JavaScript API so you can add interactive maps, markers,
• mholt/json-to-goA browser tool that instantly converts a JSON snippet into a ready-to-use Go struct type definition, saving yo
• francisrstokes/super-expressiveA JavaScript library that lets you build regular expressions by chaining readable method names like .optional
• paulmillr/encrypted-dnsReady-to-install configuration profiles that switch your iPhone, iPad, or Mac to encrypted DNS, preventing you
• ant-design/ant-motionAn animation library from Ant Design that provides ready-made React components for smooth UI transitions — inc
• camwiegert/in-viewA tiny JavaScript library (under 2KB) that fires events when page elements scroll into or out of the visible b
• futurice/pepperoni-app-kitArchived React Native starter kit that gave iOS and Android apps a pre-configured foundation with Redux state,
• rsmbl/resemble.jsJavaScript library that compares two images pixel by pixel and highlights the differences, most commonly used
• formidablelabs/react-game-kitArchived set of React components for building 2D browser and mobile games using a game loop, physics via Matte
• browserify/browserify-handbookA handbook explaining how to use Browserify to write modular JavaScript using Node.js-style require() calls an
• o2oa/o2oaAn open-source, low-code office automation platform for businesses to build internal workflows, approval forms
• jplayer/jplayerA jQuery plugin that adds audio and video playback to web pages with a consistent look across all browsers, us
• markdalgleish/stellar.jsA jQuery plugin for parallax scrolling effects that makes background images and page elements move at differen
• margox/braft-editorA React rich text editor component with formatting, image and video insertion, and multi-language support, bui
• testing-library/jest-domA library of 30+ extra assertion helpers for Jest and Vitest that make web UI tests more readable — write expe
• mdnice/markdown-niceA web tool that converts Markdown into beautifully formatted articles ready to paste into WeChat, Zhihu, and o
• bartonhammond/snowflakeA working React Native starter app for iOS and Android that ships with user registration, login, password rese
• gradio-app/fastrtcA Python library that turns any function into a live audio or video stream — you write the processing logic, F
• u14app/deep-researchA web app that takes a question and automatically runs a multi-step research loop across AI models and web sea
• ipfs/awesome-ipfsA curated community list of apps, tools, and services built on IPFS — the distributed file-sharing protocol th
• mustache-dev/mario-kart-3.jsA fan-made Mario Kart racing game that runs in your web browser using JavaScript and 3D graphics — playable on
• mozilla/rhinoRhino is Mozilla's open-source project that runs JavaScript inside Java applications, letting Java programs ex
• strider-cd/striderStrider is a self-hosted CI/CD platform that automatically runs tests and deploys code on every push, built on

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