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

• pyenv-win/pyenv-winA Windows port of pyenv that lets you install and switch between multiple Python versions on the same machine
• bearded-hen/android-bootstrapAn Android Java library that brings Twitter Bootstrap's visual style — themed buttons, progress bars, labels,
• novus/nvd3A JavaScript charting library built on D3.js v3 that provides ready-to-use interactive chart components — line
• presidentbeef/brakemanA static security scanner for Ruby on Rails apps that checks your code for common vulnerabilities without runn
• crazycodeboy/takephotoTakePhoto is an Android library that lets your app grab photos from the camera, gallery, or file system with o
• facebookresearch/denseposeDensePose maps every visible pixel in a photo of a person to a 3D body surface, telling you exactly which part
• apache/hertzbeatApache HertzBeat is a free, self-hosted monitoring platform that watches websites, databases, and servers then
• mit-han-lab/streaming-llmStreamingLLM lets AI language models run indefinitely in long chat sessions without crashing or forgetting, by
• win12-online/win12Win12 is a fan-made browser simulation of a Windows 12 interface — start menu, draggable windows, dark mode, a
• erikgrinaker/toydbtoyDB is a distributed SQL database built from scratch in Rust as a learning project, showing how Raft consens
• kennethreitz/recordsRecords is a Python library for running raw SQL queries against any major database and exporting results to CS
• witheve/eveEve was an experimental programming language that reimagined coding as a database of facts and rules instead o
• j-hc/revanced-magisk-moduleAn automated daily builder that packages ReVanced patches for YouTube and other Android apps into Magisk modul
• rime/weaselWeasel is the Windows version of the Rime open-source Chinese input method engine, supporting Pinyin, Zhuyin,
• aircrack-ng/aircrack-ngA suite of command-line tools for auditing WiFi network security — capturing wireless traffic, testing for vul
• bitwiseshiftleft/sjclA deprecated JavaScript cryptography library originally built at Stanford University for in-browser encryption
• pedant/sweet-alert-dialogAn Android library for displaying polished, animated popup dialogs — success confirmations, error notices, war
• zetbaitsu/compressorA Kotlin Android library that shrinks photo file sizes before uploading or storing them, with a one-liner API
• hashlips/hashlips_art_engineA JavaScript tool that generates large collections of unique artwork by layering PNG files, assigning rarity w
• openflutter/flutter-notebookA collection of focused Flutter demo projects — each under 100 lines — covering widgets, animations, state man
• stanfordnlp/gloveA Stanford research tool that converts words into numerical vectors so computers can understand language mathe
• liuliu/ccvA portable C library for computer vision that detects faces, pedestrians, text regions, and objects in images
• postmanlabs/newmanA command-line tool that runs Postman API test collections from a terminal so you can automate API testing in
• bee-san/pywhatA Python command-line tool that scans any text, file, or directory and identifies what kinds of structured dat
• cloudwego/hertzHertz is a fast, extensible Go web framework built and battle-tested inside ByteDance that handles high volume
• react95-io/react95A React component library that makes your web app look exactly like Windows 95, with chunky gray buttons, rais
• zubair-trabzada/geo-seo-claudeA Claude Code plugin that audits websites for AI search visibility — checking if ChatGPT, Perplexity, and Goog
• agentdeskai/browser-tools-mcpBrowserTools MCP connected Chrome to AI coding tools like Cursor so the AI could read console errors, take scr
• nanohttpd/nanohttpdNanoHTTPD is a tiny, single-file Java HTTP server you embed directly inside your app — no separate server setu
• p1xt/p1xt-guidesA free, structured self-study curriculum for becoming a software developer without a bootcamp — five tiers cov
• trentm/node-bunyanBunyan is a Node.js logging library that writes every log entry as a single JSON line, making server logs mach
• piglei/one-python-craftsmanA Chinese-language series of 16 practical Python articles teaching clean code, SOLID design principles, and re
• lgwebdream/fe-interviewA Chinese-language bank of 1,000+ frontend interview questions with detailed answers covering HTML, CSS, JavaS
• internlm/internlmInternLM is a family of open-source AI language models ranging from 1.8B to 20B parameters, built for conversa
• telepresenceio/telepresenceTelepresence lets you run one service on your laptop while the rest of your app runs in a real Kubernetes clus
• sublimetext/spacegraySpacegray is a minimal dark visual theme for the Sublime Text code editor, available in several color variatio
• zhaoxuya520/reverse-skillToolkit that gives AI coding assistants a structured routing system for security work like Android reverse eng
• zyphra/zonosZonos is an open-source text-to-speech model that clones voices from short audio clips and generates natural-s
• azahar-emu/azaharAzahar is an open-source Nintendo 3DS emulator for Windows, Mac, Linux, and Android, born from the merger of t
• davecheney/httpstathttpstat is a small command-line tool that makes an HTTP request and shows a color-coded breakdown of exactly
• mailu/mailuMailu is a self-hosted email server that runs entirely via Docker, giving you a private inbox with spam filter
• tencent/qmui_iosQMUI iOS is a UI development toolkit by Tencent for building iPhone and iPad apps faster, offering a one-file
• dolibarr/dolibarrDolibarr is an open-source web-based ERP and CRM for small and medium businesses, covering contacts, quotes, i
• rasbt/python-machine-learning-book-2nd-editionThis repo is the companion code for the book "Python Machine Learning" second edition, containing 16 Jupyter N
• projectcalico/calicoCalico is an open-source networking and security layer for Kubernetes clusters, handling traffic routing betwe
• z1069614715/objectdetection_scriptA collection of paid improvement bundles for YOLO-based object detection models, aimed at Chinese academic res
• filsv/iosdevicesupportA collection of iOS device support files that lets an older version of Xcode connect to iPhones running newer
• wiselibs/better-sqlite3A fast, synchronous Node.js library for reading and writing SQLite databases — no callbacks or promises, just
• brucedone/awesome-crawlerA curated reference list of web crawling and scraping tools organized by programming language — browse it to f
• google/flaxFlax is Google's Python library for building and training neural networks on top of JAX, letting researchers d
• aidenybai/react-grabA React development tool that lets you hover over any UI element, press Ctrl+C, and copy its exact file path,
• symfony/debugA deprecated Symfony PHP component that displayed structured, readable error messages during development — sup
• carpedm20/dcgan-tensorflowA Python TensorFlow implementation of DCGAN — a machine learning model that generates realistic images like ce
• hakluke/how-to-exit-vimA community joke repository collecting deliberately absurd and overcomplicated methods for quitting the Vim te
• matthewyork/datetoolsAn iOS library that makes date and time handling easy in Objective-C and Swift — add human-readable 'time ago'
• alluxio/alluxioAlluxio is an open-source data caching layer that speeds up analytics by sitting between processing tools like
• dspinellis/unix-history-repoA Git repository that reconstructs the complete history of Unix from 1970 to the present, letting you browse 8
• eutropicai/final2xFinal2x is a desktop app for Windows, Mac, and Linux that uses AI to upscale low-resolution images to sharper,
• deepstreamio/deepstream.iodeepstream.io is an open-source real-time server that lets apps share live data, send messages, and call remot
• alibaba/flutter_boostFlutterBoost is an Alibaba plugin that lets you add Flutter screens into an existing iOS or Android app by rou
• getpublii/publiiPublii is a desktop app for Windows, Mac, and Linux that lets non-technical users build and publish a fast sta
• eddycjy/go-gin-exampleA complete Go backend example project that shows how to wire together a REST API with authentication, MySQL, R
• universal-ctags/ctagsUniversal Ctags is a command-line tool that indexes your source code so editors like Vim and Emacs can instant
• julienxx/terminal-notifierterminal-notifier is a macOS command-line tool that lets shell scripts and programs send native desktop notifi
• mikemcl/decimal.jsdecimal.js is a JavaScript library for precise decimal arithmetic that eliminates the rounding errors built-in
• cymcsg/ultimaterecyclerviewAn Android library that extends the standard list-scrolling component with pull-to-refresh, infinite scrolling
• diygod/rsshub-radarA browser extension for Chrome, Firefox, Edge, and Safari that detects RSS feeds on any page you visit and add
• node-formidable/formidableA Node.js library that parses file uploads and form data as a stream, writing files to the local filesystem, A
• eonasdan/tempus-dominusA JavaScript date and time picker widget for web pages that shows a visual calendar and clock, requires only P
• relativty/relativtyAn open-source DIY VR headset that connects to SteamVR and requires soldering, 3D printing, and electronics as
• valuecell-ai/clawxA desktop app for Mac, Windows, and Linux that gives you a visual chat interface for running AI agents, with b
• lbryio/lbry-sdkA Python SDK for building apps on LBRY, a decentralized peer-to-peer content network where files are shared ac
• mwouts/jupytextA Python tool that saves Jupyter notebooks as plain text .py or .md files so Git diffs are readable and code r
• casperjs/casperjsA JavaScript tool for scripting and testing headless web browsers that lets you navigate pages, fill forms, ta
• docker/docker-pyThe official Python library from Docker that lets you start, stop, and manage Docker containers and images ent
• bhaskatripathi/pdfgptA Python app that lets you upload a PDF and ask questions about it. It finds the most relevant sections and se
• didi/knowstreamingA web-based dashboard for managing and monitoring Apache Kafka clusters, built by Didi. Connect to multiple Ka
• alirezamika/autoscraperA Python library that learns to scrape websites from just a few examples of the data you want. Show it one sam
• gitalk/gitalkA comment plugin for websites that stores all comments as GitHub Issues. Visitors sign in with GitHub to leave
• mher/flowerA live web dashboard for monitoring and controlling Celery background task workers. See which tasks are runnin
• yocontra/react-responsiveA React library that lets you write responsive layout rules directly inside your components. Check screen size
• tgalal/yowsupA Python library for building applications that send and receive messages over WhatsApp. It handles the WhatsA
• tzapu/wifimanagerAn Arduino library for ESP8266 and ESP32 boards that handles WiFi setup through a browser-based portal. When t
• google/error-proneA Google tool that catches common Java programming mistakes at compile time, before your code ever runs. It pl
• jspreadsheet/ceA JavaScript library that embeds a full spreadsheet — like Excel or Google Sheets — directly into any web page
• col-e/recafRecaf is a desktop app for opening and editing compiled Java programs — decompile, modify, and recompile JAR f
• itsfatduck/optimizerduckA free, open-source Windows app that lets you apply performance and privacy tweaks without editing the Registr
• tensorflow/tensorboardTensorBoard is a browser-based dashboard that turns machine learning training data into interactive charts and
• wasm-bindgen/wasm-packwasm-pack is a command-line tool that compiles Rust code to WebAssembly and packages it as an npm-compatible m
• wechat-miniprogram/miniprogram-demoThe official WeChat Mini Program demo collects working code examples for all built-in components, platform API
• ciderapp/ciderCider 1 is an archived open-source Apple Music client for Windows, Linux, and macOS built with Electron and Vu
• eclipse-che/cheEclipse Che is an open-source cloud IDE that runs developer workspaces entirely in Kubernetes containers, so e
• hedgedoc/hedgedocHedgeDoc is a self-hosted real-time collaborative Markdown editor where multiple people edit the same document
• peterl1n/backgroundmattingv2Background Matting V2 is a research AI model that removes backgrounds from photos and videos in real time at u
• pydantic/montyMonty is an experimental Python interpreter written in Rust that lets AI agents safely run Python code they ge
• ajnart/homarrHomarr is an archived self-hosted dashboard that puts all your home server apps on one customizable start page
• blackrockdigital/startbootstrapA free collection of ~25 website themes and templates built on Bootstrap 4, covering portfolios, blogs, admin
• bblanchon/arduinojsonArduinoJson is a lightweight C++ JSON library for microcontrollers like Arduino, ESP32, and Teensy — it reads
• facebook/pyre-checkPyre is Facebook's fast Python type checker that catches type-mismatch bugs before code runs; it also ships Py
• xxhuberrr/mineradioFree Windows desktop music player with cinematic visuals, particle effects, a 3D playlist shelf, and weather-b

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