What is… every popular GitHub repo?
Popular GitHub repositories, each answered in plain English for non-coders: what it is, its tech stack, and how to run it. Pick any to read the answer.
By language: Python · TypeScript · JavaScript · Go · C++ · Rust · Java · HTML · C · Shell · C# · Jupyter Notebook · Swift · PHP · Kotlin · Ruby
- tgsan/cmwtat_digital_editionAn open-source C# tool that activates Windows 10 and 11 using a digital license tied to your hardware, so Wind
- openai/skillsA catalog of reusable skills (plugins) that teach OpenAI Codex agents how to handle specific tasks like code r
- snarktank/ralphAutomation loop that runs AI coding tools repeatedly to complete a batch of software tasks from a structured t
- lionsoul2014/ip2regionOffline IP-to-location lookup library that translates IP addresses to country, city, and ISP without network r
- cocos2d/cocos2d-xAn open-source 2D game engine that lets you write game logic once in C++ and deploy it on iOS, Android, macOS,
- eggjs/eggEgg.js is a Node.js web framework that adds enterprise-friendly structure, a plugin system, and multi-core pro
- zhongfucheng3y/athenaA curated study guide organizing hundreds of articles on Java backend topics—from language fundamentals to fra
- alchaincyf/nuwa-skillAI skills for Claude Code that let you ask questions from the thinking style of famous thinkers like Steve Job
- bgstaal/multiplewindow3dsceneA 3D scene that syncs across multiple browser windows in real time using localStorage and Three.js, with no se
- existentialaudio/blackholeBlackHole is a free virtual audio cable for Mac that routes audio between apps — send sound from a music app i
- vaxilu/x-uiWeb dashboard for managing xray proxy servers. Create and monitor multiple proxy connections for users without
- chaozh/awesome-blockchain-cnA curated reading list of Chinese-language blockchain learning resources, covering Ethereum, Hyperledger Fabri
- rlabbe/kalman-and-bayesian-filters-in-pythonAn interactive Python textbook that teaches Kalman and Bayesian filters — the math behind GPS smoothing, drone
- quantconnect/leanLEAN is an open-source algorithmic trading engine that lets you write, backtest, and live-trade automated stra
- dianping/catReal-time application monitoring platform that tracks errors, slow requests, and performance metrics across di
- ymcui/chinese-llama-alpacaChinese-language versions of LLaMA and Alpaca models that you can run locally on your own computer without sen
- adam-golab/react-developer-roadmapA visual learning roadmap showing the step-by-step path to becoming a React developer, from web fundamentals t
- capsoftware/capOpen-source screen recording and sharing tool like Loom, with instant cloud upload or local editing, team coll
- facebook/relayRelay is Meta's JavaScript framework for React apps that automatically manages GraphQL data fetching — each UI
- golangci/golangci-lintgolangci-lint runs over 100 code quality checks on your Go code in parallel with caching, catching bugs and st
- kyleneideck/backgroundmusicFree macOS audio utility that auto-pauses music when other sounds play and gives you per-app volume control.
- tloen/alpaca-loraAlpaca-LoRA lets you fine-tune a LLaMA language model on a single consumer gaming GPU in hours, using a memory
- kivy/kivyKivy is an open-source Python framework for building touch-friendly graphical apps that run unchanged on Windo
- yunaiv/yudao-cloudOpen-source enterprise backend platform with microservices, RBAC, multi-tenancy, e-commerce, and code generati
- mxrch/ghuntPython tool for gathering public information about Google accounts and services using OSINT techniques, design
- adonisjs/coreAdonisJS is a batteries-included Node.js web framework — like Rails or Laravel for JavaScript — providing rout
- vuejs/vue-routerThe official URL routing library for Vue 2 that lets you build multi-screen web apps with fast, in-page naviga
- bluepointlilac/contextmenumanagerWindows utility to clean up and customize your right-click context menu by enabling, disabling, or editing men
- orange-opensource/hurlCommand-line tool for testing HTTP APIs using plain-text request files with built-in assertions and response v
- dzhng/deep-researchAI research assistant that automatically investigates topics by searching the web, extracting insights, and ge
- radix-ui/primitivesA library of unstyled, accessible React UI components — dialogs, dropdowns, tooltips, tabs — with all keyboard
- drewthomasson/ebook2audiobookConvert e-books (EPUB, PDF, MOBI, etc.) into audiobooks with synthesized speech, supporting voice cloning and
- antlr/antlr4A tool that reads grammar rules you write and automatically generates code that can parse custom languages, fi
- swoole/swoole-srcA PHP extension written in C++ that adds async and coroutine capabilities to PHP, letting a single server hand
- baidu/amisLow-code framework that builds admin dashboards and internal tools from JSON configuration alone—no HTML, CSS,
- alibaba-nlp/deepresearchAn AI research agent that automatically searches the web, reads multiple sources, and synthesizes findings to
- unetworking/uwebsocketsUltra-fast C++ web server for HTTP and WebSocket connections, used by major crypto exchanges to handle billion
- openobserve/openobserveAn open source alternative to Datadog and Splunk that collects logs, metrics, and traces in one place, stores
- baseflow/photoviewAn Android library that adds pinch-to-zoom and double-tap zoom to image views with a two-line Gradle install —
- rothgar/awesome-tuisA curated list of terminal-based interactive applications organized by category, helping you discover tools fo
- square/picassoA now-deprecated Android library from Square that downloads, caches, and displays remote images in your app wi
- zxwk1998/vue-admin-betterA ready-made Vue.js admin dashboard template with login, sidebar navigation, role-based permissions, and data
- sycnex/windows10debloaterA PowerShell script that removes pre-installed Microsoft apps, disables telemetry, and strips Cortana from a f
- subquery/subqlAn open source framework that reads raw blockchain data, indexes it into a PostgreSQL database, and serves it
- dromara/sa-tokenSa-Token is a Java library that adds login, session management, roles, permissions, single sign-on, and OAuth
- rocksdanister/livelyLively is a free Windows app that lets you set animated content — videos, GIFs, web pages, shaders, or even ga
- elder-plinius/l1b3rt4sA collection of prompt techniques designed to bypass AI chatbot safety guidelines and content restrictions.
- rpcs3/rpcs3RPCS3 is a free, open-source PlayStation 3 emulator for PC that lets you run PS3 games on Windows, Linux, macO
- browsh-org/browshBrowsh is a terminal web browser that runs modern JavaScript-heavy websites by using headless Firefox under th
- unocss/unocssOn-demand atomic CSS engine that generates utility classes only for what you use, making styling faster and bu
- nndl/nndl.github.ioFree online textbook on neural networks and deep learning, written in Chinese. Read the full book directly on
- compiler-explorer/compiler-explorerInteractive tool that shows you the assembly code a compiler generates from your source code in real time, wit
- rizinorg/cutterCutter is a free graphical desktop app for reverse engineering — analyzing compiled software to understand how
- tursodatabase/tursoTurso is a Rust-based embedded SQL database fully compatible with SQLite that adds better write concurrency, v
- lss233/kirara-aiA Python framework that connects major AI models (OpenAI, Claude, DeepSeek) to Chinese and international chat
- bluenviron/mediamtxMediaMTX is a self-hosted media server written in Go that routes live video and audio streams between protocol
- bookstackapp/bookstackBookStack is a self-hosted, open-source wiki platform for teams to write and organize documentation in a simpl
- hellozeronet/zeronetA decentralized web platform where websites are hosted across visitors' computers instead of central servers,
- eosphoros-ai/db-gptDB-GPT is an open-source AI data assistant that lets you ask questions about your databases and spreadsheets i
- facebook/yogaYoga is a C++ layout engine from Meta that lets native mobile and desktop apps use the same flexbox layout rul
- pluja/awesome-privacyA curated list of privacy-respecting, open-source alternatives to popular apps and services that track or sell
- spotify/luigiLuigi is a Python library for automating multi-step data pipelines — it runs tasks in the right order, skips c
- karpathy/llm-councilA local web app that sends your question to multiple AI models, has them review each other's answers, and synt
- mojs/mojsJavaScript library for creating motion graphics—animated shapes, particles, and effects that respond to user i
- openbmb/voxcpmVoxCPM is an open-source text-to-speech system that generates natural-sounding speech in 30 languages and can
- id-software/doomThe original 1993 DOOM first-person shooter source code, released publicly by id Software — a historic C codeb
- ntdevlabs/tiny11builderPowerShell script that strips bloatware from Windows 11 ISO files, creating a lean installation image without
- pyscript/pyscriptRun Python code directly in your web browser without installing anything, using WebAssembly to execute Python
- screenpipe/screenpipeA privacy-first screen and audio recorder that runs locally on your computer, stores everything searchable, an
- huggingface/sentence-transformersSentence Transformers is a Python library that converts text into numbers capturing meaning, so you can find s
- framework7io/framework7Framework7 is a JavaScript framework for building mobile web apps that look and feel like native iOS and Andro
- livekit/livekitLiveKit is an open-source server for building real-time video, audio, and data apps — like video calls, live s
- sanic-org/sanicFast Python web framework built on async/await for handling high-traffic HTTP servers with minimal blocking.
- sindresorhus/quick-look-pluginsA curated list of Quick Look plugins that extend macOS file preview support to handle code, JSON, Markdown, vi
- hemanth/functional-programming-jargonA plain-English glossary of functional programming terms — like monad, functor, and currying — explained with
- uvdesk/community-skeletonUVdesk Community is a free, self-hosted customer support helpdesk that converts incoming emails into organized
- alibaba/iceice.js is a React web framework by Alibaba that works out of the box — no build tool setup needed — with file-
- handlebars-lang/handlebars.jsA JavaScript templating library that merges data with HTML templates using double-curly-brace placeholders, wo
- mysqljs/mysqlA Node.js library that lets JavaScript applications connect to and query MySQL databases, with built-in connec
- blader/humanizerA reusable instruction set for AI coding tools that rewrites AI-generated text to sound more natural and human
- facebook/hhvmHHVM is Meta's open-source runtime engine for the Hack programming language, using just-in-time compilation to
- donchitos/claude-code-game-studiosA Claude Code template that organizes 49 AI agents into a game studio hierarchy with slash commands, automated
- astral-sh/tyA blazingly fast Python type checker and language server written in Rust, 10–100× faster than existing checker
- mountain-loop/yaakDesktop app for testing and organizing API requests across REST, GraphQL, gRPC, WebSocket, and more. Built wit
- williamfiset/algorithmsA comprehensive Java library of algorithms and data structures with clear implementations and video explanatio
- miloyip/game-programmerA visual study roadmap for aspiring game programmers — a diagram created by a 20-year game industry veteran sh
- bitwarden/serverThe backend server for Bitwarden, the open-source password manager — contains all APIs and database logic that
- tencent/mmkvFast, lightweight key-value storage library for mobile and desktop apps with instant persistence and multi-pro
- ichait/awesome-macosA community-curated directory of recommended applications, tools, and utilities for macOS, organized by catego
- gradle/gradleGradle is a build automation tool that compiles code, runs tests, and packages applications. It handles large
- ftlabs/fastclickA small JavaScript library that removes the 300-millisecond tap delay on older mobile browsers by immediately
- hummingbot/hummingbotAn open-source framework for building and running automated cryptocurrency trading bots that connect to over 1
- agentskills/agentskillsAn open specification and SDK for packaging capabilities as self-contained skill folders that AI agents can di
- easychen/howto-make-more-moneyA Chinese-language guide for programmers on earning extra income outside a day job, centered on a book called
- uikit/uikitUIkit is a lightweight, modular CSS and JavaScript framework by YOOtheme that provides pre-built components li
- alibaba/weexWeex lets you write a mobile app UI once in a shared codebase and have it run natively on Android, iOS, and in
- plotly/plotly.pyA Python library for making interactive charts and graphs that run in the browser — hover, zoom, and filter da
- conventional-changelog/commitlintA tool that checks your git commit messages follow a consistent format like 'fix: send login error' before the
- keon/awesome-nlpA curated directory of NLP resources: research papers, libraries, datasets, and tools for understanding and pr
- motion-canvas/motion-canvasTypeScript library for creating animated videos by writing code instead of using drag-and-drop tools, with a r
All repos · Explain any other repo →