Browse Apps

Interactive visualizations of algorithms from Artificial Intelligence: A Modern Approach. Explore search, logic, planning, machine learning, and more.

Read-along picture books for toddlers. Five illustrated stories with word-by-word highlighting, read-aloud narration, and a star-collecting bookshelf. Cloud saves track your progress across devices.

Learn the alphabet with animals! Each letter features a colorful animal card, letter tracing with your finger, and celebration animations. Progress saved to the cloud so kids can pick up where they left off.

Explore 309 dinosaur species across the Triassic, Jurassic, and Cretaceous periods. Filter by diet, type, and era. Size comparison bars, collection tracker, and detailed species cards.

Toddler-friendly phonics. Hear letter sounds, blend them into simple words, and match what you hear to pictures. A first step toward reading, with no reading required.

Interactive periodic table of 118 elements. Color-coded by category, filterable by phase and type. Click any element for detailed properties: atomic mass, density, melting/boiling points, electron configuration, and more.

Interactive tool for visualizing sorting algorithms in action. Watch bubble sort, quick sort, merge sort, and more come to life with animated bar charts.

Interactive animated periodic table of elements. Click any element for detailed information including atomic weight, electron configuration, and more.

A web-based quantum computing laboratory for building circuits, simulating quantum states, and visualizing quantum algorithms. Features interactive circuit builder with Bloch sphere visualization.

Gamified vision screening tool with interactive Snellen, astigmatism, and color blindness tests, featuring progress tracking and educational content.

Guess the country from progressive clues — region, capital, population, languages, and more. The fewer clues you need, the higher your score!

Test your knowledge across dozens of categories in this fast-paced trivia game. Choose your category and difficulty, answer 10 questions against the clock, build streaks for score multipliers, and chase your high score.

An idle clicker that teaches the history of particle physics. Build accelerators, discover particles, and fund CERN.

Interactive simulation of Conway's Game of Life. Draw patterns, adjust speed, and watch cellular automata evolve.

Interactive visualizations of 40+ data structures and algorithms — trees, heaps, graphs, hash tables, sorting, and more. A classic CS education resource.

Watch Fourier epicycles draw 3D shapes — cubes, spheres, dragons, and more — using the Discrete Fourier Transform rendered in Three.js.

A visual recipe book for 2D graphics programming. Browse interactive examples of shapes, curves, transforms, and effects with live code.

Drag-and-drop digital logic circuit simulator. Build circuits with AND, OR, NOT, flip-flops, LEDs, and more.

Beautiful interactive visual introduction to Fourier transforms with epicycle animations.

A fun interactive CAPTCHA challenge. Prove you are human by solving visual puzzles and see how CAPTCHA verification works.

A collection of interactive JavaScript projects showcasing DOM manipulation, game logic, and core programming concepts. Features number guessing games, modal components, banking apps, and more educational demos.

WebGL solar system simulator with accurate orbital mechanics and planet positions by date.

Explore all 118 elements with a beautiful glassmorphism periodic table. Search, filter, and learn about each element.

Fast-paced geography quiz on an interactive map. Guess city locations around the world and score points for accuracy and speed.

Plot mathematical functions in real-time on an interactive graph. Supports trigonometric, logarithmic, and polynomial functions.

An interactive foreign language vocabulary learning tool that uses a proven study scheme to help you efficiently memorize words and build your terminology.

Watch a backtracking algorithm solve Sudoku puzzles step by step. Visualize how the solver tries, backtracks, and finds the solution.

A math puzzle game where you use addition and division to get numbers close to 1. Simple rules, surprisingly deep strategy.

Offline learning platform for creating and studying interactive capsules with notes, flashcards, and quizzes. All data stays in your browser.

Simulate the 302-neuron brain of C. Elegans, the most studied organism in neuroscience. Touch the worm and watch its neural connectome respond.

Configurable multiple-choice quiz engine with scoring and feedback.

A puzzle game with real quantum mechanics. Guide photons through optical elements using superposition, entanglement, and interference.

Interactive animated solar system with 27 celestial bodies. Click planets and moons for detailed stats. Compare any two bodies side-by-side. Toggle orbits, labels, and moons.

Build and simulate digital logic circuits with AND, OR, NOT, XOR gates, LEDs, and clock signals.

A typing game with Bible verses. See the verse, type it out as fast and accurately as you can. Practice speed typing with scripture.

Discover JavaScript book recommendations and listen to relaxing music to help you concentrate while studying. Combines learning resources with ambient sounds for an optimal study experience.

Draw custom waveforms and see them decomposed into Fourier series in real time. Visualize how frequencies combine.

A web-based logic circuit simulator. Place gates, connect wires, and build working digital circuits right in the browser.

Practice addition and number skills with interactive math games for all ages.

Interactive French vocabulary trainer with 75 word pairs, flip cards, auto-study mode, matching quizzes, and contextual example sentences.