whatisgithub

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 · Java · C++ · Rust · C · HTML · Shell · C# · Jupyter Notebook · Swift · PHP · Kotlin · Ruby

• codecrafters-io/build-your-own-xA curated index of step-by-step tutorials for building well-known technologies from scratch—databases, Git, we
• sindresorhus/awesomeThe original awesome list — a hand-curated central directory pointing to hundreds of community-maintained topi
• freecodecamp/freecodecampThe open-source codebase behind freeCodeCamp.org, a free platform where beginners work through thousands of co
• public-apis/public-apisA community-curated catalog of thousands of free public APIs organized by category, helping developers quickly
• ebookfoundation/free-programming-booksA massive, community-maintained index of free programming books, online courses, and tutorials covering virtua
• openclaw/openclawA self-hosted personal AI assistant you install on your own machine and talk to through messaging apps you alr
• nilbuild/developer-roadmapInteractive career roadmaps and learning guides for developers across 100+ roles and technologies, with clicka
• donnemartin/system-design-primerStudy guide and reference for designing large-scale software systems and preparing for system design interview
• jwasham/coding-interview-universityA battle-tested, months-long self-study plan covering the computer science fundamentals needed to pass technic
• vinta/awesome-pythonAn opinionated, curated index of the best Python frameworks, libraries, and tools across AI, web development,
• awesome-selfhosted/awesome-selfhostedA massive, community-curated directory of free open-source software you can run on your own server instead of
• 996icu/996.icuA public protest campaign against China's 996 work culture — 9am to 9pm, 6 days a week — featuring a crowd-sou
• practical-tutorials/project-based-learningA curated index of project-based programming tutorials organized by language, linking to step-by-step guides f
• react/reactReact is a JavaScript library for building interactive user interfaces. You describe what the UI should look l
• facebook/reactReact is Meta's open-source JavaScript library for building interactive web and mobile user interfaces — you d
• torvalds/linuxThe source code of the Linux kernel — the core software that manages hardware and system resources at the hear
• thealgorithms/pythonA community collection of classical algorithms implemented in Python for learning and interview prep. Each alg
• trimstray/the-book-of-secret-knowledgeA massive curated collection of tools, cheatsheets, one-liners, and reference links for sysadmins, DevOps engi
• vuejs/vueVue 2 is a retired JavaScript framework for building web user interfaces — it reached end of life in December
• ossu/computer-scienceA free, self-paced curriculum that maps out a complete undergraduate computer science education using open onl
• affaan-m/eccA plugin for AI coding tools like Claude Code and Cursor that adds 63 specialist sub-agents, 249 workflow temp
• trekhleb/javascript-algorithmsA JavaScript reference collection of classic algorithms and data structures — linked lists, graphs, dynamic pr
• tensorflow/tensorflowTensorFlow is Google's open-source machine learning platform for building, training, and deploying models — fr
• ultraworkers/claw-codeOpen-source Rust CLI tool that runs an AI coding agent in your terminal, letting you send prompts and commands
• n8n-io/n8nn8n is a self-hostable workflow automation tool that lets technical teams connect 400+ apps visually or with J
• ohmyzsh/ohmyzshOh My Zsh is a one-command install framework that gives your Mac or Linux terminal hundreds of plugins and the
• microsoft/vscodeThis is the open-source codebase for Visual Studio Code — use it to contribute fixes, build the editor from so
• getify/you-dont-know-jsA free online book series that teaches how JavaScript actually works under the hood, covering scope, closures,
• cyc2018/cs-notesA Chinese-language collection of computer science interview study notes covering algorithms, operating systems
• significant-gravitas/autogptAutoGPT is a platform for building and running autonomous AI agents that automate multi-step workflows — descr
• jackfrued/python-100-daysA structured 100-day self-study curriculum in Chinese that teaches Python from absolute beginner to job-ready
• obra/superpowersSuperpowers is a plugin for AI coding agents like Claude Code, Cursor, and Codex that enforces a disciplined w
• flutter/flutterFlutter is Google's open-source SDK for building apps for iOS, Android, web, Windows, macOS, and Linux from a
• affaan-m/everything-claude-codeEverything Claude Code is a prebuilt system of agents, skills, hooks, and security tooling for AI coding assis
• massgravel/microsoft-activation-scriptsOpen-source Windows and Office activator using scripted methods like HWID, Ohook, and KMS to automate licensin
• twbs/bootstrapBootstrap is the most popular CSS and JavaScript framework for building responsive websites — drop in pre-buil
• github/gitignoreGitHub's official collection of .gitignore templates for popular languages and tools — copy the right template
• avelino/awesome-goAwesome Go is a community-maintained, categorized list of the best Go frameworks, libraries, and tools — a sin
• ollama/ollamaRun open AI language models locally on your computer without cloud services. Download, chat, and build apps wi
• automatic1111/stable-diffusion-webuiStable Diffusion web UI is a browser-based interface for running the Stable Diffusion AI image generator local
• f/prompts.chatA curated library of prompts for AI chat models like ChatGPT, Claude, and Gemini. Browse, copy, and share effe
• jlevy/the-art-of-command-lineThe Art of Command Line is a concise, single-page guide to essential Unix shell skills for Linux — covering ba
• yt-dlp/yt-dlpCommand-line tool to download videos and audio from thousands of websites. Point it at a URL and get the media
• digitalplatdev/freedomainFree domain registration service offering no-cost domain names under extensions like .DPDNS.ORG and .US.KG, le
• huggingface/transformersTransformers is Hugging Face's Python library with ready-to-use definitions of thousands of state-of-the-art A
• anomalyco/opencodeOpen-source AI coding agent you run locally in your terminal, works with any AI provider, and gives you two mo
• snailclimb/javaguideChinese-language interview prep guide for Java back-end developers, covering fundamentals, databases, distribu
• 521xueweihan/hellogithubHelloGitHub is a monthly Chinese magazine that curates beginner-friendly open-source projects from GitHub, hel
• airbnb/javascriptThe Airbnb JavaScript Style Guide is a comprehensive set of opinionated rules for writing consistent JavaScrip
• langflow-ai/langflowLangflow is a visual drag-and-drop platform for building AI agents and workflows, letting you connect LLMs, to
• langgenius/difyOpen-source platform for building and deploying LLM-powered applications with visual workflows, document retri
• ytdl-org/youtube-dlyoutube-dl is a command-line tool that downloads videos from YouTube and hundreds of other video sites, with o
• genymobile/scrcpyscrcpy mirrors your Android phone's screen and audio to your computer and lets you control it with your keyboa
• yangshun/tech-interview-handbookFree curated guide to passing technical interviews at top tech companies, covering coding, system design, beha
• vercel/next.jsA React framework that handles routing, compilation, and server-side rendering automatically, letting you buil
• x1xhlol/system-prompts-and-models-of-ai-toolsA collection of system prompts and internal models extracted from popular AI coding tools like Cursor, Claude,
• langchain-ai/langchainFramework for building AI applications that chain together language models, data sources, and tools with swapp
• open-webui/open-webuiSelf-hosted web chat interface for AI models with full data control. Run locally with Ollama, connect to OpenA
• nousresearch/hermes-agentA self-hosted AI agent you run on your own computer or server, accessible from terminal or messaging apps, tha
• golang/goThe official Go programming language repository — the full source code for Go itself, intended for contributor
• multica-ai/andrej-karpathy-skillsA single CLAUDE.md config file with four guiding principles that make AI coding assistants like Claude less li
• labuladong/fucking-algorithmA written guide to solving LeetCode problems by understanding the reasoning behind each solution, not just mem
• microsoft/powertoysMicrosoft PowerToys is a free bundle of 30-plus Windows utilities that add missing features like custom window
• anthropics/skillsOfficial Anthropic repository of example Skills for Claude — instruction files in SKILL.md format that teach C
• chalarangelo/30-seconds-of-code30 seconds of code is a learning site with thousands of short, practical code snippets and articles for JavaSc
• krahets/hello-algoAn open-source, free interactive book teaching data structures and algorithms to beginners using animated diag
• facebook/react-nativeA framework for building real iPhone and Android apps using JavaScript and React, so one team and one codebase
• excalidraw/excalidrawA free, open-source virtual whiteboard for drawing hand-sketched diagrams and wireframes, available as a hoste
• kubernetes/kubernetesThe open-source system for automatically deploying, scaling, and managing containerized applications across cl
• ripienaar/free-for-devA community-curated list of online services with permanent free tiers across dozens of categories, so develope
• electron/electronA framework for building cross-platform desktop apps for macOS, Windows, and Linux using JavaScript, HTML, and
• microsoft/markitdownPython utility that converts PDFs, Word docs, PowerPoint, images, audio, and other file formats into clean Mar
• anthropics/claude-codeA terminal-based AI coding assistant that understands your codebase, runs commands, and handles git workflows
• nodejs/nodeThe official source code for Node.js, the open-source runtime that lets JavaScript run outside the browser on
• justjavac/free-programming-books-zh_cnA community-curated index of free Chinese-language programming books and tutorials, organized by topic and pro
• forrestchang/andrej-karpathy-skillsA CLAUDE.md configuration file for Claude Code and Cursor that enforces disciplined AI coding habits: surface
• clash-verge-rev/clash-verge-revA cross-platform desktop app with a graphical interface for managing Clash-style network proxies on Windows, m
• iptv-org/iptvA community-maintained collection of publicly available live TV stream links from around the world, packaged i
• firecrawl/firecrawlAn API that lets AI apps search, scrape, and interact with any website and get back clean text or structured d
• shadcn-ui/uiA collection of beautiful, accessible UI components built with Tailwind CSS and Radix UI that you copy directl
• rustdesk/rustdeskA self-hostable, open-source remote desktop app written in Rust that lets you see and control another computer
• d3/d3A JavaScript library for turning data into custom interactive graphics in the browser by binding data directly
• rust-lang/rustThe official source code for the Rust programming language — its compiler, standard library, and documentation
• mrdoob/three.jsA JavaScript library that makes it straightforward to create and display 3D graphics in a web browser using We
• hack-with-github/awesome-hackingA curated index of GitHub repositories covering computer security, hacking, penetration testing, and security
• comfy-org/comfyuiVisual node-based interface for building custom AI generation workflows with images, video, audio, and 3D mode
• godotengine/godotA free, open-source game engine for building 2D and 3D games that exports to desktop, mobile, and web — no roy
• microsoft/generative-ai-for-beginnersFree Microsoft course teaching beginners how to build generative AI applications through 21 hands-on lessons w
• shubhamsaboo/awesome-llm-appsA collection of 100+ ready-to-run AI app starter projects — agents, RAG, voice AI, multi-agent teams — that yo
• axios/axiosA popular JavaScript library for making HTTP requests from both the browser and Node.js using a simple promise
• microsoft/typescriptTypeScript adds optional type-checking to JavaScript so editors catch bugs before you run your code, then comp
• ggml-org/llama.cppllama.cpp lets you run open-source AI chat models on your own laptop or server using plain C/C++ with no cloud
• growinggit/github-chinese-top-chartsCurated leaderboards of the best Chinese-language projects on GitHub, organized by programming language and up
• denoland/denoDeno is a modern runtime for JavaScript and TypeScript that runs code on servers or your machine with TypeScri
• fatedier/frpfrp is a fast reverse proxy written in Go that lets you expose a server running on your home or office network
• tauri-apps/tauriTauri lets you build installable desktop and mobile apps using HTML, CSS, and JavaScript for the UI and Rust f
• papers-we-love/papers-we-loveA community-curated directory of essential computer science papers, organized by topic with links to where the
• goldbergyoni/nodebestpracticesA curated checklist of 102 best practices for building Node.js applications, covering architecture, error hand
• 2dust/v2raynA Windows, Linux, and macOS app for managing proxy connections with a point-and-click interface. Supports Shad
• jaywcjlove/awesome-macA curated list of high-quality macOS apps organized by category—writing, design, productivity, development—so

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