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popular JavaScript repos on github, each explained in plain english: what it does, its stack, and how to run it.

• jordansissel/docs.vagrantup.comThis repo contains the source files for the Vagrant documentation website. Anyone can fix typos, update articl
• joygqz/mirroraiCLI that scans an existing codebase, detects recurring patterns, and writes rules files (CLAUDE.md, .cursorrul
• jsha/cliA command-line tool that helps developers manage database changes in Node.js apps using Sequelize. You run sho
• kayone/appsA curated directory of Electron desktop apps where contributors submit app info and an icon, then an automated
• kenrick95/apadA web app that shows one shared daily coding practice problem from the uVa/CP3 competitive programming archive
• marcusbiel/roundcraftRoundcraft is a small JavaScript and Three.js mini game built by parents and kids to teach coding through a re
• markmcd/bully-detectorA Chrome extension that shows a live countdown timer in a Discord server, tracking how long it's been since so
• mattpocock/jazz-chord-finderA simple web app that helps guitarists find jazz chords on a visual fretboard. Built with React and d3.js, it
• mattpocock/json-server-wrapperA React component that wraps json-server so you can spin up a fake API with full create, read, update, and del
• mattpocock/lambda-local-watchA tool that watches your local files and re-runs AWS Lambda functions on your machine when you save, so you ca
• moha2005269/masari-platformA bilingual Arabic/English web platform that guides students in Saudi Arabia through career personality tests
• mrk-its/web-rmtThis repository has no README or documentation, so its exact purpose can't be confirmed — the name suggests so
• mytechnotalent/live-covid-19-tracker-usA lightweight web app that shows live COVID-19 statistics for individual US states, automatically refreshing e
• natazeroins/pog-mining-gpuLinux CUDA miner for the POG Ethereum token that scans nonces on an NVIDIA GPU and submits winning transaction
• nknj/mto-rates-scraperA script that automatically collects and compares GBP-to-GHS currency exchange rates from Western Union, Money
• nodebb/nodebb-plugin-featured-categoriesA NodeBB plugin that lets forum admins highlight specific discussion categories as visual cards on the homepag
• okikio/science-appA minimal GitHub Pages template for a science-themed website, built from Markdown content using Jekyll.
• panjiachen/chrome-extenstion-todolistA simple to-do list Chrome extension that lets you jot down tasks from your browser toolbar and saves them loc
• patrickarlt/esri-leaflet-dev-summit-2020A ready-made slide deck template styled to match Esri's official branding, built on the reveal.js web presenta
• patrickjs/graphql-tagA utility that lets JavaScript developers write GraphQL queries as readable template literals, parsed into a s
• patrickjs/nope_modulesA safety-first CLI tool that finds stale, untouched projects and deletes their node_modules folders to free up
• patrickjs/package-sizeA tool that tells you exactly how many bytes a JavaScript package adds to your website, raw, gzipped, and Brot
• pi0/nuxt2-missing-payloadFixes a Nuxt 2 bug where a missing pre-loaded data file causes the page to get stuck in an infinite reload loo
• pq-jwt/pq-jwtA JavaScript JWT library using quantum-resistant signature algorithms as a drop-in replacement for RS256 and E
• prafull2027/arc-agent-sdkAn SDK that gives AI agents their own crypto wallet so they can post jobs, submit work, and get paid in USDC o
• probablykasper/2dcamA plugin for Adobe After Effects that adds a 2D camera system, letting motion designers pan, zoom, and move ar
• pushmatrix/filmA small learning project that captures webcam snapshots in the browser and arranges them into a filmstrip.
• quinlanj/deeplistenerThis repository has no README or documentation available, so its purpose and functionality can't be determined
• satanwoo/xuntaXunta appears to be a minimally documented web service or API deployed to Heroku and AWS, with no clear descri
• senkouefn/void-clientA custom game client inspired by starblast.io that uses WebSockets to connect to and play a multiplayer space
• sfantasy/workspaceWorkspace is a focus app that combines a to-do list, timer, notes, Hacker News feed, and white noise into one
• shilman/nextjs-blogA minimal Next.js starter template for quickly spinning up a personal blog site without building routing and p
• shivang0/datavizAn extracted copy of the Claude Code dataviz skill files, showing the design rules and procedures the AI assis
• skevy/astexplorerA web tool that shows the internal tree structure (AST) a parser builds from your code, with live highlighting
• skevy/codemirror-graphqlAdds GraphQL syntax highlighting, error linting, and autocomplete to the CodeMirror web code editor.
• skevy/metroMetro is the JavaScript bundler that packages React Native app code into a format phones can run, with fast re
• skevy/nwbA toolkit that sets up JavaScript apps and libraries for you, so you can start coding without configuring buil
• skevy/prop-typesA React validation library with about 30 extra prop-type checkers, like number ranges and unique arrays, that
• skevy/redux-injectable-storeA tiny add-on for Redux that lets you register new reducers with your store after it's already running, instea
• skevy/relayA JavaScript framework that pairs React components with GraphQL so pages fetch exactly the data they need and
• slorber/stargazerA tool that turns your GitHub repo's stargazers into a fun animated video to celebrate star milestones like 1,
• snatchev/slateSlate generates clean API documentation on a single scrolling page. You write everything in Markdown, and it p
• tanhauhau/webpack.js.orgThe official source for webpack's documentation website, containing guides, tutorials, and reference material.
• tanykim/365daysTurns a year of Moves App location data into a printable poster-sized map of your most-visited places.
• tanykim/shades-of-exerciseA React app that turns a year of exercise activity into a GitHub-style contribution calendar, shading each day
• tobymao/streamitA web-based tool for decentralized live video broadcasting over a peer-to-peer network, removing dependence on
• trickypi/blog_newA personal blog combining a VuePress front-end with a Koa back-end, GitHub OAuth2 login, and Docker Compose fo
• tschneidereit/livescratchpadA Firefox add-on that shows you what your JavaScript code does as you type it, updating results instantly and
• tvalentius/docusaurusA tool that turns Markdown files into a polished, searchable documentation website, so open source teams can s
• ustbhuangyi/vue-cliVue CLI is a toolkit that helps developers quickly generate ready-to-go Vue.js web application projects with a
• wangnov/codex-meterA Chrome extension that adds a spending dashboard inside ChatGPT's Codex analytics page, showing credit usage,
• wgawan/video-mcpAn MCP server that lets AI coding agents record your screen and automatically produce a narrated video walkthr
• windyrobin/nquerynQuery lets you query databases, key-value stores, and web APIs with one SQL-like language instead of learning
• yunyoujun/lookie-lookieA browser-based eye tracker that uses your webcam and on-device machine learning to predict where you're looki
• zalo/full-spectrumA browser-based simulator that shows how a 3D model would look printed in full color using a limited set of tr
• zk-templates/proof-template-libraryCatalog of starter zero-knowledge proof circuits for age gating, group membership, anonymous voting, allowlist
• abhay-pratapsingh-ctrl/chaptrA dating app on the Sui blockchain where AI agents called Digital Twins hold conversations with each other to
• abhishek-akkal/finovaA React and Tailwind CSS demo landing page showing a fintech style customer segmentation UI, built as a learni
• adan-shahid/ecommerce_websiteA work-in-progress Django e-commerce site currently focused on a custom authentication and password-reset syst
• ademisler/codex-desktop-custom-modelsA starter kit that creates an isolated, separately branded copy of Codex Desktop wired to a different AI model
• aishuo07/photo-migration-doctorA free macOS app that repairs broken dates, GPS data, and Live Photos from Google Photos Takeout exports, enti
• alexlabs-ai/brain-conciergeMCP retrieval layer that takes an agent's task description, expands it into several semantic queries against a
• alonsorobots/steal-contextA CLI tool that lets you type /steal in one AI coding assistant to instantly pull in your latest conversation
• alvi-uiu/runwardA command line safety check that inspects shell commands from AI coding agents like Claude Code before they ru
• ayush17112005/thread-coreA backend API for a Reddit-style forum app, handling users, communities, posts, comments, and voting.
• ayushnau/workday_jobautomatorChrome extension that auto-fills Workday job applications by parsing your resume and using a local Ollama mode
• bournechoi4353/claudebuddyA pixel art crab Mac desktop companion that walks across the screen and opens a Claude chat panel using your e
• branavanselvasingham/ai-presence-kitAn early-stage toolkit that turns an AI interface's runtime state, like thinking or streaming a reply, into sm
• breakingthebot/286-buildsA public index tracking 19 daily coding challenge projects, each built in a day and linked to its own reposito
• ccycv/codex-opencode-workerCodex plugin that exposes OpenCode as an MCP executor so Codex can plan and review while OpenCode runs the act
• crazywriter1/arcvaultAn AI assistant that manages a small business's stablecoin treasury on Arc Network using plain language comman
• crinzip/tiny-qr-prA Premiere Pro plugin that generates QR codes directly inside the video editor, no external tool needed.
• cyanask/nero-design-teamA design toolkit built for Codex-style AI coding agents, giving them tokens, templates, and quality checks to
• daizisheng/cc-pasteBridges your Mac clipboard into a Claude Code session running on a remote Linux server over SSH, so Ctrl+V pas
• david-horjet/ravnagentAn automated crypto portfolio protection agent that watches wallets across chains and executes trades when ris
• dha-aa/filebeamA simple local network file sharing tool that lets you move files between your Mac and any phone or computer b
• dhseadev/planet-express-loungeA Chrome sidebar extension that runs an AI-generated Futurama-themed sitcom, with chat, mini-games, and a brin
• drakenkun-bot/solpilot-backendA rule-based automation tool that executes real Solana trades, like scheduled USDC to SOL swaps, through your
• ghostreindeer09/token-meter-distA Chrome extension that shows a live token count while typing into ChatGPT, Claude, or Gemini, plus free tools
• hammonda100/sd-webui-token-weight-slidersA Stable Diffusion WebUI extension that adds sliders for weighting individual prompt phrases, with optional MI
• hed0rah/camojackA browser based camouflage pattern generator and tile editor with algorithmic patterns, presets, and hand pain
• isharpals-06/second-brain_prototypeA local-first web dashboard for students that organizes Obsidian Markdown notes, runs AI chat via Ollama, and
• jmiaie/pliamem-publicA Node.js microservice that routes a single query across multiple AI memory sources, vector search, a knowledg
• jupiterthewarlock/booom-gamejam-testAn early web prototype for a game jam that tests four core mechanics: timeline exploration, clue-based unlocki
• kariumxyz/sdkKARIUM is a Proof-of-Work cryptocurrency token on Solana with a fixed 21 million supply and a Bitcoin-style ha
• kizikafuka/fc26-career-toolsA personal web dashboard that visualizes your EA FC 26 Career Mode squad data, exported through FIFA Live Edit
• krigrv/hermes-soul-studioA browser wizard that walks you through configuring a personal AI operator, then exports the setup as ready-to
• kristapmon/myytdub-chromeA Chrome extension that dubs any YouTube video into another language in real time using OpenAI's realtime tran
• lordfb/wbrendererJavaScript reimplementation of the 1990s BRender 3D engine that draws every triangle in software on the CPU, w
• mikecastrodemaria/fooocus2026-pinokioA one-click Pinokio launcher that installs and runs Fooocus2026, an enhanced fork of the Fooocus AI image gene
• msaleemdev/react-todo-contextSmall React todo app that demonstrates the Context API for state sharing and LocalStorage for persistence, sty
• msanchezworld/compounderAn AI agent that finds the weakest point in a sales funnel, tests one fix at a time under safety guardrails, a
• navajyoth-puthalath13/reviewflowA Node.js bot that watches Figma comments for structured review updates and posts them automatically into a Sl
• naveenck-10/recallops-aiA hackathon prototype that helps engineering teams reuse past incident fixes by combining semantic memory sear
• padfooty/mrrbarA Chrome extension that shows your live Stripe and Lemon Squeezy revenue, MRR, ARR, and churn rate right in th
• paieralabs/paiera-evidence-pack-demoA sanitized demo of an assistant's food-allergy safety pipeline: structured facts, a deterministic conflict ma
• raviikumar001/realtime-orders-cdc-dashboardA real-time orders dashboard that streams live database changes from PostgreSQL to a React frontend using chan
• razinshafayet2007/rust-vs-zeroA local benchmark suite that compares Rust and Zero programs on your own machine for build time and runtime sp
• sacha-l/mimixAn AI persona based testing tool for Solana apps: fictional users with distinct risk profiles browse your dApp
• sanketthecodecrafter/airesumeanalyzerAn AI web app that compares your resume against a job description to score the match, highlight skill gaps, an

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