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

• brandonromano/node-marketoA JavaScript library that makes it easy for Node.js apps to talk to Marketo, a marketing automation platform,
• brandonromano/packer-plugin-ansibleA plugin that connects Ansible to Packer so Ansible playbooks configure a machine while Packer builds it into
• breez3young/irisIRIS is an AI agent that learns to play video games by building its own imagined model of the game, letting it
• brettwooldridge/jetty-documentationThis repository contains the source files for the official Jetty 9 web server documentation. Contributors can
• brettwooldridge/xen-api-sdkA code generator that produces SDKs for controlling Xen enterprise virtualization servers from five programmin
• brillout/rolldown-define-testbedA test project showing that Rolldown's define option only replaces global variables, not local ones. It includ
• britecharts/britecharts-react-test-projectA demo React app showing different ways to import and integrate the Britecharts-React charting library into yo
• brodock/seleniumSelenium lets you write code that controls a real web browser — clicking, typing, and checking pages — so you
• brucemacd/highlightjs-copyA Highlight.js plugin that adds a one-click copy button to code blocks, with placeholder replacement, accessib
• brucemacd/node-keytarKeytar is a tool for Node.js apps to securely store and retrieve passwords and API keys using the operating sy
• btea/bookAn interactive Live2D animated character you can add to a website that chats with visitors, moves around the s
• btea/corepackCorepack automatically installs and switches between npm, Yarn, and pnpm versions per project, so teams always
• bunlong/mapbox-rotate-map-based-on-mobile-web-browser-compassA snippet that rotates a Mapbox map to match your phone's compass heading, using the Device Orientation API fo
• bunlong/react-chartjsA React component library that wraps Chart.js, giving you ready-made line, bar, pie, and other charts that ani
• bupd/aws-notesA cheat sheet for AWS Solutions Architect exam prep, listing which AWS service solves which problem in quick o
• buqiyuan/goods-specA Vue and Element UI table component for editing product specification variants, like sizes and prices, all in
• burhan/django-localflavorA Django add-on with pre-built, country-specific form fields and validators for things like postal codes, phon
• burnzz/bazelA fast build system that compiles, links, and tests software by rebuilding only what changed and running work
• busches/clocA simple, dependency-free tool that counts lines of code, blanks, and comments across dozens of languages in a
• byalexius/operation-pointA site that gathers live fire department emergency calls from across Austria's states into one unified view.
• bycedric/turbo-boilerplateA Turborepo starter template that bundles web, docs, blog, and mobile apps into one workspace so teams can sha
• cab404/buttplug-helloA minimal Rust example project showing how to connect to and control networked hardware devices using the Butt
• cab404/chantAn early-stage Java project exploring a chat server, possibly using NIO networking and SQLite — no documentati
• cab404/ronA Haskell implementation of RON, a format and set of data types that let multiple devices sync and merge the s
• cakiki/databaseA tool that exports lichess chess games into the universal PGN format so researchers, chess engines, and coach
• cakiki/knockknockA tiny Python library that sends you a notification (Slack, email, Telegram, and more) when a long-running tra
• calda/greek-week-waiverA Chrome extension that flags data entry mistakes in OrgSync waiver forms for fraternities, sororities, and Gr
• calda/horizoncalendarA prebuilt, customizable calendar component for iOS apps, used by Airbnb, that handles scrolling, date selecti
• calda/slideshow-generatorA Swift tool that automatically turns a folder of images into an animated slideshow video with transitions lik
• callingmedic911/zxA tool that lets you write shell-style automation scripts in JavaScript instead of Bash, with safe command exe
• callumacrae/histoireAn interactive sandbox for building and testing individual UI components in isolation, without running your wh
• calmh/pre-gitAn undocumented, archived C project described only as "Old stuff" by its author. Likely an experiment related
• camilotk/bookingAn early-stage Elixir package called 'booking' with a blank README template. No documented purpose yet — just
• camilotk/projeto-faculdadeA university coursework project written in JavaScript with no README or documentation, so its specific purpose
• candratama/safariposA web-based point-of-sale system for retail shops, built with Next.js. It lets cashiers ring up sales, track i
• captainsafia/js-assetsThis repository has no README content, so its purpose can't be reliably described beyond its name, which sugge
• carlopi/ducklake2A DuckDB extension that turns Parquet files into a queryable SQL data lake, adding time travel, schema evoluti
• carolinefrasca/mojoA new programming language with Python-like syntax that adds systems-programming speed and control, aiming to
• carstenbauer/juliamapAn interactive world map showing where the Julia programming language is taught, plotting universities and org
• caspermeijn/flathubFlathub is an app store for Linux where users discover and install applications. This GitHub repository is the
• caspermeijn/jord-rsJord is a Rust library for geographic math on Earth. It calculates distances, bearings, and positions using ac
• caspermeijn/nmea-test-messagesA collection of real-world GPS messages with formatting errors and quirks, used to test whether GPS parsing co
• caspermeijn/pinetime-battery-measurementA C library for the PineTime smartwatch that reads battery voltage from the power management chip and converts
• caspermeijn/wallabag-test-serverA ready-to-go test server for Wallabag, the read-it-later app. Developers can quickly start a local Wallabag i
• casperstorm/strongboxAn addon manager for World of Warcraft on Linux and macOS that finds, installs, and updates game addons automa
• cdoky/fbmemoryprofilerAn in-app iOS debugging tool from Facebook that shows a live view of memory usage, tracks object creation over
• cdoky/fbretaincycledetectorAn iOS debugging tool from Facebook that automatically scans an object's memory graph to find retain cycles —
• cdoky/urlnavigatorA Swift library that lets iOS apps navigate between screens using URL patterns, like a website, so deep links
• cdoky/yytextAn iOS framework for displaying and editing richly formatted text — tappable links, inline images, custom colo
• chawyehsu/condaA package manager that installs and organizes software libraries in isolated, switchable environments so diffe
• chenhg5/files-share-for-downloadA lightweight file-sharing server that generates a shareable download link for files, without user accounts or
• chenmingbiao/cnn-tensorflowA collection of Convolutional Neural Network model implementations built with TensorFlow, designed for image r
• chenquan/ai-pluginsA toolkit of slash commands, expert AI agents, and automated workflows that extend Claude Code to speed up com
• chenxch/pakePake turns any website into a tiny, fast standalone desktop app for Mac, Windows, or Linux without writing cod
• chenxsan/analyseA web app that visualizes webpack bundle stats so you can see what files are in your JavaScript bundle, how la
• chenxu0602/github_issue_summarizationA tutorial that teaches you how to build an AI system that automatically writes short summaries of GitHub issu
• chesterhow/snobA joke web app that generates pretentious, made-up coffee tasting notes on demand, poking fun at coffee-snob c
• chewitt/gxlimgA command-line tool that builds bootable firmware images for Amlogic S905X boards (like Libretech CC / Le Pota
• chiguayeshao/runcat_for_windowsA lightweight Windows app that shows an animated running cat in your system tray, with the cat's speed reflect
• chiguayeshao/xiaotianA simple personal blog website built with React using Create React App. It serves as a basic, pre-built templa
• chiragagg5k/superpowerdA local tool that automatically rotates between multiple Claude Code accounts when you hit a rate limit, plus
• chlins/go2pgo2p is a Go framework for building peer-to-peer networks, using a middleware pattern to encrypt, compress, an
• chmduquesne/bitoduc.frA French-language glossary website that catalogs native French alternatives to common English computer and tec
• chmduquesne/opentopomaps-managerDownloads free topographic maps and packages them for Garmin watches so hikers and outdoor enthusiasts can vie
• chocobo1/pppThis is a daemon implementing the Point-to-Point Protocol (PPP), letting computers establish a direct network
• chr-hertel/packagistThe open-source source code that powers packagist.org, the official searchable package repository PHP develope
• chrahunt/chain-clicrestart is a lightweight command-line tool that automatically restarts your server or background task when yo
• chrahunt/filesaver.jsFileSaver.js is a small JavaScript library that lets web apps save files directly to a user's computer from th
• chrahunt/pepsA repository holding the official text documents for all proposed changes to the Python language, along with t
• chrahunt/script-loaderA browser extension that injects custom JavaScript into the web game TagPro. Players point it at a script URL
• chrahunt/tprl-standings-scriptsGoogle Sheets scripts that automatically calculate and update race standings for a TagPro Racing community, ha
• chriddyp/flask-cachingA Python extension that adds caching to Flask web apps, storing results of expensive operations so repeated re
• chrisduerr/github-darkA dark theme stylesheet for GitHub's website, installed via a browser extension like Stylus, with over 20 synt
• chriskiehl/covid-19-dataA comprehensive collection of COVID-19 case and death data for the United States, tracked daily since January
• chronojam/solariumA turn-based multiplayer game server that manages whose turn it is, validates moves, and keeps game state in s
• chrox/awesome-reactA curated directory of the best tools, libraries, and tutorials for building websites and apps with React. It
• chuangyeshuo/mpsrA command-line tool that lets PHP developers instantly look up PSR coding standard rules in the terminal, plus
• chudegao/onnxruntimeA Microsoft open-source tool that makes trained machine learning models run faster and more efficiently across
• chundonglinlin/srs-seaAn Android app that broadcasts live video from your phone's camera over HTTP to a streaming server, so viewers
• cito/pytestPytest is a tool that automatically runs test scripts for your Python code and tells you exactly which tests p
• cjauvin/iqaff_lidarThis repo has no README content available, so its purpose, features, and setup steps can't be determined from
• cjpais/aromodelA Python tool that automates the setup of molecular dynamics simulations for LAMMPS using the OPLS-AA forcefie
• cjpais/houseaudiorecorderA lightweight Python tool that lets you start and stop audio recordings from any browser on your local network
• ckcherry23/alpha7This repository has no README content, so it's not possible to tell what the project does or how it's meant to
• ckcherry23/checkstyleA tool that automatically checks Java code against style guides like Google's or Sun's conventions, flagging i
• claucece/dynamorioDynamoRIO lets you observe and modify a running program's machine code in real time, without changing or recom
• clavin/electron-rfcsA formal RFC process for proposing and discussing major changes to the Electron desktop app framework before c
• clayreimann/fsnotesA fast, keyboard-driven notes app for Mac and iPhone that stores notes as plain files on your computer. Suppor
• clayreimann/homebrew-coreA catalog of thousands of installable apps and developer tools for macOS. You use it with the 'brew install' c
• cleanmachine1/aptpacA command-line tool that lets you use Ubuntu/Debian package commands on Arch Linux by automatically translatin
• cleanmachine1/free-programming-booksA community-curated directory of hundreds of free programming books, courses, tutorials, and cheat sheets, org
• cleanmachine1/github-cheat-sheetA curated reference guide collecting dozens of useful, often-overlooked Git and GitHub tips and shortcuts. It
• cleanmachine1/homerHomer is a lightweight, self-hosted start page that acts as a personal dashboard. You configure categories and
• cleanmachine1/ishish is a lightweight command-line shell written in C that lets you type text commands to interact with your co
• cleanmachine1/jellyskinA custom visual theme for Jellyfin media servers that gives your movie and TV library a polished, vibrant stre
• cleanmachine1/ohmyzshOh My Zsh is a free, community-driven tool that upgrades your command-line terminal with themes, plugins, and
• cleanmachine1/pihole-.githubA special GitHub repository that stores shared default files like issue templates and community guidelines for
• cleanmachine1/tldr-cppA command-line tool that shows quick, simplified cheat sheets for common terminal commands, so you don't have
• cleanmachine1/tldr-python-clientA terminal tool that shows quick, simplified cheat sheets for command-line commands with practical examples, s
• clfurman/patternmatchingjava8A Java 8 code example showing how to simulate pattern matching using traditional object-oriented techniques be

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