A curated collection of interesting websites across learning, games, tools & fun
Conversational AI by OpenAI — text, code, images & more.
Anthropic's AI assistant — thoughtful analysis and coding.
Google's multimodal AI assistant.
Microsoft's AI assistant powered by GPT-4.
AI-powered search engine with cited answers.
AI search and chat with real-time web access.
ML models, datasets, and Spaces for AI experiments.
Run open-source ML models via cloud API.
AI-first code editor with integrated Copilot.
AI pair programmer inside your editor.
AI search engine for developers.
AI code assistant with real-time web search.
Generate production-quality images with AI.
AI image generation with accurate text rendering.
AI video generation and editing tools.
Realistic AI voice generation and cloning.
Generate music and songs with AI.
AI-powered notes, docs, and project management.
AI-powered presentations and documents.
Code hosting, collaboration, and open-source community.
Q&A for programmers — every bug has an answer.
Community of developers sharing articles and insights.
Live code playground for front-end experiments.
Online IDE — code, run, and deploy in the browser.
Node.js package registry.
PHP package registry (Composer).
The PHP framework for web artisans.
PHP documentation and language reference.
Comprehensive web platform documentation.
Tutorials and references for web technologies.
Browser compatibility tables for HTML, CSS, JS.
Online regex tester with debugger and explainer.
Create and share beautiful code screenshots.
Community-driven developer roadmaps.
Practice coding problems for interviews.
Coding challenges and skill assessments.
Competitive programming contests.
Blogging platform for developers.
Thousands of sysadmin and dev tutorials.
Space exploration, research, and stunning imagery.
Peer-reviewed scientific research and news.
Leading international science journal.
Science, exploration, and photography.
Hand-on science museum with online experiments.
Trusted encyclopedia since 1768.
Explanations of how the world works.
Latest science news and research breakthroughs.
Free science lessons — biology, physics, chemistry.
70,000+ free eBooks in the public domain.
Free digital library with millions of books.
Discover, rate, and review books.
Beautifully formatted free ebooks.
Free and discounted ebooks across genres.
Free classic literature ebooks.
Free public domain audiobooks read by volunteers.
Interactive math and science problem-solving.
Free math lessons from arithmetic to calculus.
Beautiful online graphing calculator.
Computational knowledge engine and calculator.
Animated math visualizations and deep explanations.
Solve challenging math/programming problems.
Q&A community for math enthusiasts.
Competition math problems and community.
Math explained in simple, fun language.
Videos about numbers and mathematical concepts.
Code practice and mentorship with free programming exercises.
Learn coding through fun multiplayer games.
Exercise library with muscle group targeting.
Free online courses across various subjects.
Learn English through listening exercises.
Learn web security through interactive exercises.
Learn regular expressions through crossword puzzles.
Learn Vim movements through a puzzle game.
CSS code golf — replicate designs with minimal CSS.
Learn CSS Flexbox with a fun frog game.
Learn CSS Grid by watering your garden.
Fascinating interactive web experiments and visualizations.
Click when bored — it takes you to a random fun website.
Combine elements to discover new creations.
Take a random trip to a useless website.
A finger that always points at your cursor.
Hot/cold game — find the hidden cow by mouse position.
Bounce adorable cats around your screen.
Pretend you're a hacker — type anything and look like a pro.
Spot the subtle design differences — a game of pixel perfection.
A psychological click detection experiment by the Norwegian government.
Infinitely zooming surreal painting.
Google AI guesses what you are drawing.
Explore live radio stations around the world.
View random windows from around the world.
Relaxing sand art simulator.
Relaxing painting toy.
Online telephone game — draw and guess with friends.
Classic MS Paint in your browser, nostalgia included.
Fun music experiments — make sounds and melodies visually.
Free online games — Subway Surfers, Hill Climb Racing & more.
Instant-play free browser games.
Curated collection of free online games.
Multiplayer cell-eating battle royale.
Multiplayer snake game.
Multiplayer drawing and guessing game.
Daily word puzzle from NYT.
Guess locations from street view imagery.
Thousands of indie HTML5 games.
Disposable temporary email address.
Run mobile apps in your browser.
Free illustrated workout programs.
Send large files up to 2GB for free.
Compress PNG and JPEG images smartly.
Remove image backgrounds automatically with AI.
Whiteboard tool for sketching diagrams collaboratively.
Free diagram and flowchart maker.
Find alternatives to your favorite software.