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
- chaitin/safelineSelf-hosted Web Application Firewall that sits between the internet and your web server, blocking SQL injectio
- thangchung/awesome-dotnet-coreAwesome .NET Core is a community-curated directory of libraries, tools, and learning resources for .NET Core a
- cjpais/handyHandy is a privacy-focused desktop app that transcribes your voice to text locally on your computer — press a
- openai/chatgpt-retrieval-pluginA self-hosted FastAPI service that gives ChatGPT or any AI assistant access to your own documents by storing a
- teableio/teableOpen-source no-code database with a spreadsheet interface backed by real PostgreSQL, letting you use SQL tools
- airbytehq/airbyteAn open-source data pipeline platform with 600+ pre-built connectors to move data from APIs and databases into
- aidenybai/react-scanA zero-config developer tool that visually highlights which React components are re-rendering unnecessarily, s
- valeriansaliou/sonicA fast, lightweight search backend written in Rust that handles text search and autocomplete for your app in m
- swiftggteam/the-swift-programming-language-in-chineseSimplified Chinese translation of Apple's official Swift programming language book, maintained by the SwiftGG
- hapijs/joiA JavaScript data validation library that lets you define schemas describing what your objects, strings, and n
- ossu/data-scienceFree, self-taught Data Science curriculum covering math, programming, databases, statistics, and machine learn
- rasahq/rasaAn open-source Python framework for building chatbots and voice assistants with multi-turn conversation handli
- android/nowinandroidA fully working Android app from Google's Android team that demonstrates, in real production-quality code, how
- pmndrs/jotaiA tiny (~2 KB) React state management library built around atoms — small, composable pieces of state that any
- nikivdev/flowA command-line tool that speeds up common development tasks like setup, testing, and deployment with simple co
- pgvector/pgvectorA PostgreSQL extension that adds vector similarity search to your existing Postgres database, so you can store
- qwenlm/qwenAlibaba's open-source family of large language models (1.8B–72B parameters) trained on 3 trillion multilingual
- verl-project/verlPython library for training large language models with reinforcement learning at scale, integrating with exist
- brettwooldridge/hikaricpA fast, lightweight JDBC connection pool for Java applications — it manages a pool of pre-opened database conn
- wordpress/wordpressWordPress is a widely-used open-source content management system built in PHP. This repo is a read-only Git mi
- fallibleinc/security-guide-for-developersA practical security reference guide for web developers covering authentication, encryption, common attacks, a
- elastic/kibanaKibana is an open-source web dashboard for Elasticsearch that lets you explore, query, and visualize your data
- huggingface/peftPEFT is a Python library that lets you fine-tune large AI models cheaply by training only a tiny fraction of t
- anthropics/coursesOfficial Anthropic courses teaching how to build with Claude AI, from API basics through prompt engineering to
- zeyi-lin/hivisionidphotosAI tool that transforms regular photos into official ID photos by detecting faces, removing backgrounds, and f
- gildas-lormeau/singlefileBrowser extension that saves entire web pages as single self-contained HTML files, preserving all styles, imag
- lilittlecat/awesome-free-chatgptA curated list of 300+ free ChatGPT mirrors and alternative AI chat services, with details on access requireme
- agentsmd/agents.mdA standard file format for documenting how AI coding agents should work with your codebase—like a README, but
- oxc-project/oxcOxc is a collection of super-fast JavaScript and TypeScript developer tools written in Rust — covering parsing
- johncoates/aerialAerial is a free, open-source Mac screensaver that plays the same beautiful aerial flyover videos seen on Appl
- liriliri/erudaEruda is a JavaScript developer console for mobile browsers — it injects a floating debug panel into any web p
- lima-vm/limaRun Linux VMs on Mac with automatic file sharing and port forwarding, designed for container tools but works f
- mobsf/mobile-security-framework-mobsfAutomated security testing platform that scans mobile apps (Android, iOS, Windows) for vulnerabilities, malwar
- rough-stuff/roughA lightweight JavaScript library that draws shapes with a hand-sketched, wobbly appearance instead of clean li
- vitessio/vitessVitess is an open-source system written in Go that lets you scale MySQL to handle massive traffic by automatic
- bloc97/anime4kReal-time upscaling and denoising for anime video using GPU shaders, making 1080p content look sharp on 4K scr
- navidrome/navidromeNavidrome is a self-hosted music server written in Go — point it at your music collection and stream it to any
- coleam00/archonA workflow engine that lets you define AI-powered software development processes (planning, coding, testing, r
- wekan/wekanWeKan is a free, self-hosted kanban board — like Trello but on your own server — for organizing tasks visually
- promptfoo/promptfooPromptfoo is a command-line tool for testing and red-teaming AI applications — run automated test cases to com
- funaudiollm/cosyvoiceOpen-source text-to-speech system that converts written text to natural speech in 9 languages, with zero-shot
- magicuidesign/magicuiFree React component library with animated UI elements you can copy-paste into your app, built on Tailwind CSS
- 1panel-dev/maxkbMaxKB is an open-source platform for building enterprise AI agents and knowledge bases, letting you upload doc
- folke/lazy.nvimlazy.nvim is a fast Neovim plugin manager that only loads plugins when they are actually needed, keeping start
- matiassingers/awesome-readmeAwesome README is a curated list of standout GitHub project README files, collected to help developers learn w
- avajs/avaAVA is a fast, minimal Node.js test runner that runs each test file in its own isolated thread concurrently, w
- paularmstrong/normalizrNormalizr is a JavaScript library that flattens nested API response data into a normalized structure using a s
- anderspitman/awesome-tunnelingAwesome Tunneling is a curated list of tools that expose a local server running on your private machine to the
- postgres/postgresThis is the official read-only GitHub mirror of the PostgreSQL source code, one of the world's most widely use
- marimo-team/marimoA reactive Python notebook that auto-updates cells when you change variables, stores files as plain Python, an
- apache/mxnetApache MXNet is a deep learning framework for building and training AI models like image classifiers and langu
- jart/cosmopolitanCosmopolitan Libc lets you compile a C or C++ program once and run the resulting binary natively on Linux, mac
- rockerboo/awesome-neovimAwesome Neovim is a comprehensive curated list of Neovim-specific plugins organized by category, covering LSP,
- m1k1o/nekoSelf-hosted virtual browser in Docker that streams to multiple users via WebRTC, letting groups watch videos,
- airbnb/visxA collection of low-level React components from Airbnb that wraps D3's math and scale utilities into React-fri
- onnx/onnxONNX is an open standard file format that lets you move a trained AI model from one framework like PyTorch or
- tibixdev/winboatWinBoat is a Linux desktop app that runs Windows applications inside a lightweight container and displays each
- gitbutlerapp/gitbutlerGitButler is a friendlier Git desktop client that makes stacking branches, working on multiple branches at onc
- freetubeapp/freetubeFreeTube is a free open-source desktop app for watching YouTube without ads or Google tracking — your subscrip
- spotx-official/spotxPowerShell patcher that modifies the Spotify desktop client on Windows to remove ads, disable analytics, and u
- davideuler/architecture.of.internet-productA curated collection of technical architecture documents from major internet companies like Google, Amazon, Al
- modood/administrative-divisions-of-chinaComplete dataset of China's administrative divisions (provinces, cities, counties, townships, villages) with o
- xbmc/xbmcKodi is free open-source home theater software that turns any computer or device into a polished media center
- apache/shardingsphereApache ShardingSphere adds a smart layer on top of your existing databases so they can scale out, shard data a
- accumulatemore/cvComprehensive deep learning study notes covering computer vision, NLP, large language models, and AI agents, o
- chokcoco/icssA curated collection of 220+ CSS tips, tricks, and creative techniques for animations, effects, and modern web
- coze-dev/coze-studioOpen-source visual platform for building, debugging, and deploying AI agents and workflows without coding. Inc
- leptos-rs/leptosLeptos is a full-stack web framework that lets you build interactive websites entirely in Rust, running the sa
- ayangweb/bongocatAn animated desktop cat that reacts to your keyboard and mouse movements in real time, available on Windows, m
- containerd/containerdContainerd is the low-level container runtime that actually starts, stops, and manages containers on Linux and
- tabler/tabler-iconsTabler Icons is a free MIT-licensed set of over 6,000 consistently styled SVG icons you can drop into any web
- maaassistantarknights/maaassistantarknightsMAA automates repetitive daily tasks in the mobile game Arknights using image recognition, handling combat, ba
- googlehosts/hostsA hosts file that maps Google and related service domains to working IP addresses for users in China who canno
- wasmerio/wasmerA fast, secure WebAssembly runtime that runs lightweight containers anywhere—desktop, cloud, edge, browsers—wi
- vulhub/vulhubVulhub is a collection of pre-built Docker environments that reproduce known security vulnerabilities so you c
- nikitabobko/aerospaceA keyboard-driven tiling window manager for macOS that automatically arranges windows like i3 on Linux, withou
- pavlobu/deskreenDeskreen turns any device with a web browser into a wireless second screen for your computer by streaming your
- sortablejs/vue.draggableA Vue.js component that makes lists draggable and sortable with automatic data synchronization, built on Sorta
- fosrl/pangolinPangolin is a self-hosted remote access platform that lets you securely reach private servers, databases, and
- p-e-w/hereticPython tool that automatically removes safety restrictions from language models using directional ablation and
- matsuridayo/nekoboxforandroidNekoBox for Android is a proxy client app that supports a wide range of protocols including Shadowsocks, VMess
- qax-os/excelizeExcelize is a Go library for creating, reading, and modifying Excel spreadsheet files programmatically, with s
- google/eng-practicesGoogle's publicly shared engineering guidelines covering how to run code reviews effectively, written for both
- fengdu78/deeplearning_ai_booksChinese study notes for Andrew Ng's Deep Learning Specialization covering neural networks, CNNs, RNNs, and opt
- you-dont-need/you-dont-need-javascriptA collection of CSS-only interactive UI components and animations—accordions, carousels, modals, and more—prov
- petkaantonov/bluebirdBluebird is a JavaScript promise library for handling async operations. Its own maintainers now recommend usin
- nyr/openvpn-installA shell script that installs and configures an OpenVPN server on Linux in under a minute, letting you set up a
- frida/fridaFrida is a dynamic instrumentation toolkit that lets you inject code into any running app or process on iOS, A
- allinurl/goaccessReal-time web log analyzer that reads Apache, Nginx, and other server logs and displays traffic stats and secu
- atlas-os/atlasOpen-source project that applies a transparent configuration script to an existing Windows installation to imp
- mack-a/v2ray-agentOne-click Linux shell script that installs and configures Xray or sing-box proxy server software on a VPS, sup
- othmanadi/planning-with-filesA Claude Code skill add-on that writes your coding plan to a markdown file so it persists across sessions, res
- ethicalml/awesome-production-machine-learningA curated directory of open-source tools for building, deploying, monitoring, and securing machine learning sy
- spaceship-prompt/spaceship-promptA Zsh terminal prompt theme that automatically shows Git status, language runtime versions, and environment co
- sveltejs/kitSvelteKit is the official full-stack web framework for Svelte, adding file-based routing, server-side renderin
- futurice/android-best-practicesA written checklist guide from Futurice covering Android development best practices for build setup, library c
- opendataloader-project/opendataloader-pdfAn open-source Java tool that converts PDFs into structured Markdown, JSON, or HTML for AI pipelines, and adds
- toml-lang/tomlTOML is a human-friendly configuration file format that's easy to read and write, sitting between JSON's simpl
- voltagent/awesome-agent-skillsA curated directory of 1,100+ reusable AI coding assistant skills from major companies and the community, comp
- fullcalendar/fullcalendarA JavaScript library for adding a full-sized, interactive calendar with drag-and-drop event management to web
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