Science projects
Beginner robot
Binary numbers (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about binary numbers.
Science projects
Beginner robot
Error detection and correction (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about error detection and correction.
Science projects
Beginner robot
Finding shapes
A classroom activity linking the 'Kidbots' unit with geometry (ages 5-7). For an adult to run with children.
Science projects
Beginner robot
Growing into a butterfly
A classroom activity linking the 'Sorting networks' unit with biology (ages 5-7). For an adult to run with children.
Science projects
Beginner robot
Image Representation (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about image representation.
Science projects
Beginner robot
Kidbots (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about kidbots.
Science projects
Beginner robot
Move to a number
A classroom activity linking the 'Kidbots' unit with numeracy (ages 5-7). For an adult to run with children.
Science projects
Beginner robot
Moving in a shape
A classroom activity linking the 'Kidbots' unit with geometry (ages 5-7). For an adult to run with children.
Science projects
Beginner robot
Retelling a story
A classroom activity linking the 'Sorting networks' unit with speaking (ages 5-7). For an adult to run with children.
Science projects
Beginner robot
Searching algorithms (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about searching algorithms.
Science projects
Beginner robot
Sorting networks (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about sorting networks.
Science projects
Beginner robot
Storytelling
A classroom activity linking the 'Kidbots' unit with speaking (ages 5-7). For an adult to run with children.
Science projects
Beginner robot
Binary Art
A classroom activity linking the 'Binary numbers' unit with art (ages 8-10). For an adult to run with children.
Science projects
Beginner robot
Binary Candles or Normal Candles on your Cake
A classroom activity linking the 'Binary numbers' unit with writing (ages 8-10). For an adult to run with children.
Science projects
Beginner robot
Binary Name Necklaces
A classroom activity linking the 'Binary numbers' unit with art (ages 8-10). For an adult to run with children.
Science projects
Beginner robot
Binary Patterns
A classroom activity linking the 'Binary numbers' unit with art (ages 8-10). For an adult to run with children.
Digital art
Beginner robot
Binary Tunes
A classroom activity linking the 'Binary numbers' unit with music (ages 8-10). For an adult to run with children.
Digital art
Beginner robot
Drama or video activity
A classroom activity linking the 'Searching algorithms' unit with drama, art (ages 8-10). For an adult to run with children.
Programming languages
Beginner robot
How binary digits work: programming challenges
Programming challenges (Scratch, Python or blocks) to go with the 'How binary digits work' lesson, from the 'Binary numbers' unit. Best done with a grown-up.
Science projects
Beginner robot
Instructional writing
A classroom activity linking the 'Error detection and correction' unit with writing (ages 8-10). For an adult to run with children.
Digital art
Beginner robot
Music activity
A classroom activity linking the 'Searching algorithms' unit with music (ages 8-10). For an adult to run with children.
Programming languages
Beginner robot
Parity magic: programming challenges
Programming challenges (Scratch, Python or blocks) to go with the 'Parity magic' lesson, from the 'Error detection and correction' unit. Best done with a grown-up.
Programming languages
Beginner robot
Product code check digits: programming challenges
Programming challenges (Scratch, Python or blocks) to go with the 'Product code check digits' lesson, from the 'Error detection and correction' unit. Best done with a grown-up.
Science projects
Beginner robot
Quick card flip magic
A classroom activity linking the 'Error detection and correction' unit with numeracy (ages 8-10). For an adult to run with children.
Programming languages
Beginner robot
Sending a rocket to Mars: programming challenges
Programming challenges (Scratch, Python or blocks) to go with the 'Sending a rocket to Mars' lesson, from the 'Kidbots' unit. Best done with a grown-up.
Programming languages
Beginner robot
The Modulo operator Unplugged: programming challenges
Programming challenges (Scratch, Python or blocks) to go with the 'The Modulo operator Unplugged' lesson, from the 'Kidbots' unit. Best done with a grown-up.
Science projects
Beginner robot
What if?
A classroom activity linking the 'Error detection and correction' unit with writing (ages 8-10). For an adult to run with children.
Science projects
Beginner robot
Where is my hat?
A classroom activity linking the 'Searching algorithms' unit with writing (ages 8-10). For an adult to run with children.
Science projects
Beginner robot
Whose cake is it
A classroom activity linking the 'Binary numbers' unit with writing (ages 8-10). For an adult to run with children.
Science projects
Beginner robot
Word study activity
A classroom activity linking the 'Error detection and correction' unit with word study (ages 8-10). For an adult to run with children.
Games
Beginner robot
ComputerCraft
Minecraft mod that adds programmable computers.
Games
Beginner robot
Educational Games
Learn while playing.
Games
Beginner robot
Games of Coding
Learn a programming language by making games.
Everything
Beginner robot
Programming for Kids
A free resource picked by the open-source community. Open it to see what's inside.
Robotic projects
Beginner robot
Raspberry Pi
Credit card-sized computer aimed at teaching kids programming, but capable of a lot more.
Programming languages
Beginner robot
2D breakout game using Phaser
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
30 Seconds of Code
Code snippets you can understand in 30 seconds.
Programming languages
Beginner robot
A Simple Web Server
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
Adventures in Rust: A Basic 2D Game
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Beginner robot
Beginner-Friendly Projects
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
Build a simple 2D physics engine for JavaScript games
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Beginner robot
Cheat Sheet
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Beginner robot
CLI Workshoppers
Interactive tutorials.
Programming languages
Beginner robot
Code a 2D Game Engine using Java - Full Course for Beginners
A free resource picked by the open-source community. Open it to see what's inside.
Health & society
Beginner robot
Computer History
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
CSS Learning
Mainly about CSS – the language and the modules.
Everything
Beginner robot
For Girls
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
From NAND to Tetris: Building a Modern Computer From First Principles
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
How To: Augmented Reality App Tutorial for Beginners with Vuforia and Unity 3D
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
Hydrogen
Edge-first framework for building Shopify storefronts with React.
Science projects
Beginner robot
Information Retrieval
Learn to develop your own search engine.
Programming languages
Beginner robot
Introduction to Ray Tracing: a Simple Method for Creating 3D Images
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
JavaScript Learning
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
jQuery
Easy to use JavaScript library for DOM manipulation.
Digital art
Beginner robot
Learn Gamedev
The craft of video game creation.
Everything
Beginner robot
Learn to Program
A free resource picked by the open-source community. Open it to see what's inside.
Games
Beginner robot
LÖVE
Game engine.
Programming languages
Beginner robot
Make Your Own Simple Interpreted Programming Language
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Beginner robot
Markdown
Markup language.
Programming languages
Beginner robot
Offline-First
A free resource picked by the open-source community. Open it to see what's inside.
Games
Beginner robot
PICO-8
Fantasy console.
Everything
Beginner robot
Roadmaps
Gives you a clear route to improve your knowledge and skills.
Science projects
Beginner robot
STEAM
Supplements for specific science, technology, engineering, arts, and math (STEAM) courses across all grade levels.
Programming languages
Beginner robot
Tailwind CSS
Utility-first CSS framework for rapid UI development.
Programming languages
Beginner robot
Think like a programmer: How to build Snake using only JavaScript, HTML & CSS
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Beginner robot
Tutorials
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Beginner robot
Tutorials
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Beginner robot
V
Simple, fast, safe, compiled language for developing maintainable software.
Programming languages
Beginner robot
VBA
An event-driven version of Visual Basic 6.0 built into most Microsoft Office apps for automation and scripting.
Digital art
Beginner robot
YouTubers
Watch video tutorials from YouTubers that teach you about technology.
Programming languages
Beginner robot
Craft CMS
Content-first CMS.
Science projects
Intermediate alien
Data structures for searching (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about data structures for searching.
Everything
Intermediate alien
Algorithm Visualizations
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Algorithms
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Awesome
Recursion illustrated.
Programming languages
Intermediate alien
Build your own 8-Ball Pool game from scratch
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Canvas
A free resource picked by the open-source community. Open it to see what's inside.
Games
Intermediate alien
Chess
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Colorful
Choose your next color scheme.
Games
Intermediate alien
Construct 2
Game engine.
Everything
Intermediate alien
Creative Coding
Programming something expressive instead of something functional.
Programming languages
Intermediate alien
CSS
Style sheet language that specifies how HTML elements are displayed on screen.
Everything
Intermediate alien
Data Visualization
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Design Principles
Create better and more consistent designs and experiences.
Science projects
Intermediate alien
Education
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Education
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Education
Learning and practicing.
Programming languages
Intermediate alien
Esolangs
Programming languages designed for experimentation or as jokes rather than actual use.
Games
Intermediate alien
Flame
Game engine for Flutter.
Programming languages
Intermediate alien
Flexbox
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Free Programming Books
A free resource picked by the open-source community. Open it to see what's inside.
Games
Intermediate alien
Game Development
A free resource picked by the open-source community. Open it to see what's inside.
Games
Intermediate alien
GameMaker
Game engine.
Games
Intermediate alien
Gideros
Game engine.
Games
Intermediate alien
Godot
Game engine.
Programming languages
Intermediate alien
HTML5
Markup language used for websites & web apps.
Digital art
Intermediate alien
Icons
Downloadable SVG/PNG/font icon projects.
Everything
Intermediate alien
Katas
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Learning
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Learning
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Lua
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Intermediate alien
Math
A free resource picked by the open-source community. Open it to see what's inside.
Games
Intermediate alien
Open Source Games
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Pixel Art
Pixel-level digital art.
Programming languages
Intermediate alien
Playgrounds
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Python
General-purpose programming language designed for readability.
Everything
Intermediate alien
Screensavers
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Intermediate alien
Spanish
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
SVG
XML-based vector image format.
Programming languages
Intermediate alien
Web Accessibility
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Web Animation
Animations in the browser with JavaScript, CSS, SVG, etc.
Programming languages
Intermediate alien
Web Design
For digital designers.
Everything
Intermediate alien
.NET
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
A 3D Modeller
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
A DIY guide to build your own React
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
A Neural Network in 11 lines of Python
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
A Template Engine
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
ActionScript 3
Object-oriented language targeting Adobe AIR.
Programming languages
Intermediate alien
Amazon Web Services
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Android UI
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Angular
App framework.
Programming languages
Intermediate alien
Ant Design
Enterprise-class UI design language.
Programming languages
Intermediate alien
Apache Wicket
Java web app framework.
Programming languages
Intermediate alien
AR Portal Tutorial with Unity
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Audio Visualization
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Audiovisual
Lighting, audio and video in professional environments.
Programming languages
Intermediate alien
Aurelia
App framework.
Programming languages
Intermediate alien
AutoHotkey
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
AutoIt
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
AVA
Test runner.
Games
Intermediate alien
Babylon.js
Game engine for cross-platform web and native game development.
Programming languages
Intermediate alien
Backbone
App framework.
Programming languages
Intermediate alien
BEM
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Biological Visualizations
Interactive visualization of biological data on the web.
Programming languages
Intermediate alien
Blazor
.NET web framework using C#/Razor and HTML that runs in the browser with WebAssembly.
Everything
Intermediate alien
Book Authoring
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Browser Extensions
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Browserify
Module bundler.
Programming languages
Intermediate alien
Build your own 3D renderer
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Build Your Own Module Bundler - Minipack
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Building a frontend framework, from scratch, with components (templating, state, VDOM)
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Building A Python-Based Search Engine
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Building Blocks for Web Apps
Standalone features to be integrated into web apps.
Programming languages
Intermediate alien
C/C++
General-purpose language with a bias toward system programming and embedded, resource-constrained software.
Programming languages
Intermediate alien
CakePHP
PHP framework.
Programming languages
Intermediate alien
Capacitor
Cross-platform open source runtime for building Web Native apps.
Programming languages
Intermediate alien
Charting
A free resource picked by the open-source community. Open it to see what's inside.
Games
Intermediate alien
CHIP-8
Virtual computer game machine from the 70s.
Programming languages
Intermediate alien
choo
App framework.
Programming languages
Intermediate alien
Chrome DevTools
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Clojure
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
CMake
Build, test, and package software.
Everything
Intermediate alien
Code Points
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Codeface
Text editor fonts.
Programming languages
Intermediate alien
Coding a Rogue/Nethack RPG in C
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Coding A Sudoku Solver in C
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
ColdFusion
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Competitive Programming
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Composer
Package manager.
Programming languages
Intermediate alien
Continuous Integration System
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Intermediate alien
Conversational AI
Build awesome chatbots and digital assistants.
Programming languages
Intermediate alien
Cordova
JavaScript API for hybrid apps.
Digital art
Intermediate alien
Creative Technology
Businesses & groups that specialize in combining computing, design, art, and user experience.
Programming languages
Intermediate alien
Critical-Path Tools
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Cross-Platform
Writing cross-platform code on Node.js.
Everything
Intermediate alien
CSV
A text file format that stores tabular data and uses a comma to separate values.
Programming languages
Intermediate alien
D
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
D3
Library for producing dynamic, interactive data visualizations.
Programming languages
Intermediate alien
Dart
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Dash
Python web app framework.
Science projects
Intermediate alien
Data Science
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Data Science
Data analysis and machine learning.
Programming languages
Intermediate alien
Deno
A secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.
Programming languages
Intermediate alien
Design and Development Guides
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Design systems
Collection of reusable components, guided by rules that ensure consistency and speed.
Programming languages
Intermediate alien
Dojo Toolkit
JavaScript toolkit.
Programming languages
Intermediate alien
Draft.js
Rich text editor framework for React.
Programming languages
Intermediate alien
Dropwizard
Java framework.
Programming languages
Intermediate alien
Drupal
Extensible PHP-based CMS.
Everything
Intermediate alien
Education
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Education
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Electron
Cross-platform native desktop apps using JavaScript/HTML/CSS.
Programming languages
Intermediate alien
Elixir
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Elixir Books
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Elm
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Emails
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Ember
App framework.
Programming languages
Intermediate alien
ES6 Tools
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
ESLint
Linter.
Programming languages
Intermediate alien
F#
A .NET-based language with focus on functional programming.
Everything
Intermediate alien
Falsehood
Falsehoods programmers believe in.
Programming languages
Intermediate alien
FastAPI
Python web app framework.
Digital art
Intermediate alien
FFmpeg
Cross-platform solution to record, convert and stream audio and video.
Programming languages
Intermediate alien
Fiber
Web framework built on top of Fasthttp, the fastest HTTP engine for Go.
Programming languages
Intermediate alien
Flask
Python framework.
Digital art
Intermediate alien
Fonts
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Framer
Prototyping interactive UI designs.
Programming languages
Intermediate alien
Frameworks
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Frontend Development
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Intermediate alien
Functional Programming
A free resource picked by the open-source community. Open it to see what's inside.
Games
Intermediate alien
Game Boy Development
A free resource picked by the open-source community. Open it to see what's inside.
Games
Intermediate alien
Game Remakes
Actively maintained open-source game remakes.
Games
Intermediate alien
Game Talks
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Games With Go
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Generative AI
Automatically generates a wide range of unique content in text, image, and audio format.
Digital art
Intermediate alien
GIF
Image format known for animated images.
Programming languages
Intermediate alien
Go
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Go Books
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
GraphQL
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Gulp
Task runner.
Everything
Intermediate alien
Hackathon
Running fun and productive hackathons.
Games
Intermediate alien
Haxe Game Development
A high-level strongly typed programming language used to produce cross-platform native code.
Programming languages
Intermediate alien
How to Augmented Reality AR Tutorial: ARKit Portal to the Upside Down
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
How to create a Dragon in Augmented Reality in Unity ARCore
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
How to create a real-world Node CLI app with Node
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
How To Unity ARCore
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Hyper
Cross-platform terminal app built on web technologies.
Programming languages
Intermediate alien
Imba
Programming language inspired by Ruby and Python and compiles to performant JavaScript.
Programming languages
Intermediate alien
Inertia.js
Make single-page apps without building an API.
Programming languages
Intermediate alien
Inspiration
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Ionic Framework
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
iOS UI
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
J2ME
Java specification designed for old keypad phones and PDAs..
Programming languages
Intermediate alien
JAMstack
Modern web development architecture based on client-side JavaScript, reusable APIs, and prebuilt markup.
Programming languages
Intermediate alien
Java
Popular secure object-oriented language designed for flexibility to "write once, run anywhere".
Programming languages
Intermediate alien
JavaScript
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
JavaScript Algorithms and Data Structures
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
JSON
Text based data interchange format.
Programming languages
Intermediate alien
JSON Decoding Algorithm
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
KnockoutJS
JavaScript library.
Programming languages
Intermediate alien
Kotlin
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Laravel
PHP framework.
Programming languages
Intermediate alien
Learn how to write a hash table in C
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Learn Video Game Programming in C
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Less
CSS preprocessor.
Programming languages
Intermediate alien
Let's Make: Dangerous Dave
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
lets-build-express
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Lexical Scanning in Go
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
libGDX
Java game framework.
Science projects
Intermediate alien
Linguistics
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
lit
Library for building web components with a declarative template system.
Everything
Intermediate alien
Low Code
Allowing business professionals to address their needs on their own with little to no coding skills.
Programming languages
Intermediate alien
Lumen
PHP micro-framework.
Programming languages
Intermediate alien
Mad Science npm Packages
Impossible sounding projects that exist.
Programming languages
Intermediate alien
Magento 2
Open Source eCommerce built with PHP.
Programming languages
Intermediate alien
Maintenance Modules
For npm packages.
Programming languages
Intermediate alien
mal - Make a Lisp
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Marionette.js
App framework.
Programming languages
Intermediate alien
Master CSS
A virtual CSS language with enhanced syntax.
Programming languages
Intermediate alien
Material Design
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Material-UI
Material Design React components for faster and easier web development.
Programming languages
Intermediate alien
MDBootstrap
Templates, layouts, components, and widgets to rapidly build websites.
Programming languages
Intermediate alien
Meteor
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Micro npm Packages
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Mind Expanding Books
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Intermediate alien
ML with Ruby
Learning, implementing, and applying Machine Learning using Ruby.
Programming languages
Intermediate alien
Mobile Web Development
Creating a great mobile web experience.
Programming languages
Intermediate alien
Motion UI Design
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Music
A free resource picked by the open-source community. Open it to see what's inside.
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Intermediate alien
Must Watch Talks
A free resource picked by the open-source community. Open it to see what's inside.
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Intermediate alien
Must-Watch Talks
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Intermediate alien
Naming
Guides for naming things in computer science.
Programming languages
Intermediate alien
Neural Networks - The Nature of Code
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Neural Networks: Zero to Hero
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Next.js
Framework for server-rendered React apps.
Programming languages
Intermediate alien
nginx
Web server.
Science projects
Intermediate alien
NLP with Ruby
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Node-RED
A programming tool for wiring together hardware devices, APIs, and online services.
Programming languages
Intermediate alien
Node.js
Async non-blocking event-driven JavaScript runtime built on Chrome's V8 JavaScript engine.
Programming languages
Intermediate alien
npm
Package manager.
Programming languages
Intermediate alien
npm scripts
Task runner.
Everything
Intermediate alien
Open Source Photography
A free resource picked by the open-source community. Open it to see what's inside.
Science projects
Intermediate alien
Open Source Society University
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
PageSpeed Metrics
Metrics to help understand page speed and user experience.
Programming languages
Intermediate alien
Pascal
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Payload
Next.js native and open source headless CMS.
Programming languages
Intermediate alien
Perl
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Phalcon
PHP framework.
Programming languages
Intermediate alien
PHP
Server-side scripting language.
Programming languages
Intermediate alien
Play1 Framework
A free resource picked by the open-source community. Open it to see what's inside.
Games
Intermediate alien
PlayCanvas
Game engine.
Programming languages
Intermediate alien
Playwright
Node.js library to automate Chromium, Firefox and WebKit with a single API.
Programming languages
Intermediate alien
Plone
Open source Python CMS.
Digital art
Intermediate alien
Plotters
Computer-controlled drawing machines and other visual art robots.
Programming languages
Intermediate alien
Polymer
JavaScript library to develop Web Components.
Programming languages
Intermediate alien
PostCSS
CSS tool.
Programming languages
Intermediate alien
Preact
App framework.
Digital art
Intermediate alien
Product Design
Design a product from the initial concept to production.
Everything
Intermediate alien
Product Management
Learn how to be a better product manager.
Programming languages
Intermediate alien
Progressive Enhancement
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Progressive Web Apps
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Promises
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Protips
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Pyramid
Python framework.
Programming languages
Intermediate alien
Python Tutorial: Make Your Own Text Editor
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
QR Code
A type of matrix barcode that can be used to store and share a small amount of information.
Programming languages
Intermediate alien
R
Functional programming language and environment for statistical computing and graphics.
Everything
Intermediate alien
R Books
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Rails
Web app framework for Ruby.
Programming languages
Intermediate alien
Rasterization: a Practical Implementation
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
React
JavaScript library for building user interfaces.
Programming languages
Intermediate alien
React Hooks
Lets you use state and other React features without writing a class.
Programming languages
Intermediate alien
React Native
JavaScript framework for writing natively rendering mobile apps for iOS and Android.
Everything
Intermediate alien
Read the Docs
Example documentation projects to inspire and help bootstrap new documentation projects.
Programming languages
Intermediate alien
Redux
State container for JavaScript apps.
Programming languages
Intermediate alien
Refinery CMS
Ruby on Rails CMS.
Programming languages
Intermediate alien
Reflex
Python web framework for building both your frontend and backend with no JavaScript.
Everything
Intermediate alien
Regex
Specialized language for matching patterns in text.
Programming languages
Intermediate alien
REST
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Roguelike Tutorial in Rust + tcod
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Ruby
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Rust
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
SAP Commerce
An e-commerce platform built with Java, Spring MVC, and Angular.
Programming languages
Intermediate alien
Sass
CSS preprocessor.
Programming languages
Intermediate alien
Scriptable
An iOS app for automation in JavaScript.
Programming languages
Intermediate alien
Search Engine Optimization
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Selenium
Open-source browser automation framework and ecosystem.
Programming languages
Intermediate alien
Silverstripe CMS
PHP MVC framework that serves as a classic or headless CMS.
Programming languages
Intermediate alien
Sitecore
.NET digital marketing platform that combines CMS with tools for managing multiple websites.
Programming languages
Intermediate alien
Slim
PHP framework.
Everything
Intermediate alien
Software Engineering Blogs
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Speaking
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Standard Style
Style guide and linter.
Science projects
Intermediate alien
Static Analysis & Code Quality
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Static Website Services
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Stock Resources
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Storybook
Development environment for UI components.
Programming languages
Intermediate alien
Svelte
App framework.
Programming languages
Intermediate alien
Swift
Apple's compiled programming language that is secure, modern, programmer-friendly, and fast.
Programming languages
Intermediate alien
Symfony
PHP framework.
Everything
Intermediate alien
Talks
A free resource picked by the open-source community. Open it to see what's inside.
Digital art
Intermediate alien
Tech Videos
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Testing
Software testing.
Programming languages
Intermediate alien
Text Editing
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Textpattern
Lightweight PHP-based CMS.
Digital art
Intermediate alien
TikZ
Graph drawing packages for TeX/LaTeX/ConTeXt.
Programming languages
Intermediate alien
Tiny JS
Frontend libraries that fit into 2 kB with dependencies.
Programming languages
Intermediate alien
Tiny Package Manager: Learns how npm or Yarn works
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Tips
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Tips
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Typing
Optional static typing for Python.
Programming languages
Intermediate alien
Umbraco
A free resource picked by the open-source community. Open it to see what's inside.
Everything
Intermediate alien
Unicode
Standards, quirks, packages and resources for Unicode.
Science projects
Intermediate alien
University Courses
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Useful .htaccess Snippets
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Userscripts
Enhance your browsing experience.
Programming languages
Intermediate alien
Visual Regression Testing
Ensures changes did not break the functionality or style.
Everything
Intermediate alien
VLC
Cross-platform media player software and streaming server.
Programming languages
Intermediate alien
Vorpal
Node.js CLI framework.
Programming languages
Intermediate alien
Vue.js
App framework.
Programming languages
Intermediate alien
Wagtail
Django CMS focused on flexibility and user experience.
Programming languages
Intermediate alien
Web Archiving
An effort to preserve the Web for future generations.
Programming languages
Intermediate alien
Web Audio
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Web Performance Budget
Techniques to ensure certain performance metrics for a website.
Programming languages
Intermediate alien
Web Performance Optimization
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Web Tools
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Web Typography
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
WebExtensions
Cross-browser extension system.
Programming languages
Intermediate alien
WebGL
JavaScript API for rendering 3D graphics.
Programming languages
Intermediate alien
WebXR
Enables immersive virtual reality and augmented reality content on the web.
Programming languages
Intermediate alien
WordPress-Gatsby
Web development technology stack with WordPress as a back end and Gatsby as a front end.
Programming languages
Intermediate alien
WP-CLI
Command-line interface for WordPress.
Programming languages
Intermediate alien
Write your own MVC from scratch in PHP
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Writing a Link Checker
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Writing a MiniTest Framework
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Intermediate alien
Writing a URL Shortening Service
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
3D Physics Engine Tutorial
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
A Large Language Model (LLM)
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
A Python Interpreter Written in Python
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
Ada/SPARK
Modern programming language designed for large, long-lived apps where reliability and efficiency are essential.
Programming languages
Advanced astronaut
Ansible
A Python-based, open-source IT configuration management and automation platform.
Everything
Advanced astronaut
Apache Spark
Unified engine for large-scale data processing.
Programming languages
Advanced astronaut
Asyncio
Asynchronous I/O in Python 3.
Everything
Advanced astronaut
Audit Algorithms
Algorithmic audits of algorithms.
Programming languages
Advanced astronaut
Build a Deep Learning Library
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
Build Deep Learning From Scratch (reimplement PyTorch internals across 34 stages)
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
Building a Custom React Renderer
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
Building React From Scratch
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
Chess Engine In C
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
ClojureScript
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
Common Lisp
Powerful dynamic multiparadigm language that facilitates iterative and interactive development.
Science projects
Advanced astronaut
Computer Vision
A free resource picked by the open-source community. Open it to see what's inside.
Programming languages
Advanced astronaut
Coq
Formal language and environment for programming and specification which facilitates interactive development of machine-checked proofs.
Science projects
Advanced astronaut
Core ML Models
Models for Apple's machine learning framework.
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