molab lets you create, run, and share cloud-hosted marimo notebooks — rapidly experiment with Python and SQL in marimo, the next-generation programming environment designed for data and stored as Python.

by marimo team
SourceSelect points in embedded space to understand clusters better.

by marimo team
SourceArt from a cellular automaton using matplotlib; inspired by Simone Conradi.

by marimo team
SourceAn interactive tool for portfolio analysis and investment calculations.

by marimo team
SourceExplore Fashion MNIST in higher dimensions with interactive parallel coordinate brushing.

Interactive ODE solver with a draggable initial condition and direction field visualization.

Interactive 3D visualization of the Bak-Sneppen model of self-organized criticality.

Convert hand-drawn sketches into SVGs using deep learning and Bézier curve fitting.

by marimo team
SourceHow to run SQLite directly, and from within DuckDB, using marimo SQL cells.

Estimating the inverse of a matrix using thermodynamic principles with interactive visualizations.

by marimo team
SourceA notebook that trains a tiny neural network with Andrej Karpathy's micrograd

by marimo team
SourceUsing eigenvectors of the Laplacian to cluster data where k-means fails.

by marimo team
SourceDrawing graphs via eigenvectors of the graph Laplacian.

by marimo team
SourceRecover signals from noisy measurements on graphs using the Laplacian as a regularizer.

by marimo team
SourceInteractively explore a spectral decomposition with matrix widgets

by marimo team
SourceCompress images in real time using a low-rank approximation via the SVD.

Interactive false-positive traps showing how feature attribution, probing, SAEs, and circuits 'find' structure in pure noise.

Why diffusion models don't need noise conditioning, derived in closed form on a toy circles dataset.

A paper explainer for 'Diverse Task Experts Are Dense Around Pretrained Weights' with interactive loss landscapes and a RandOpt implementation.

by marimo team
SourceExplore nested clusters in Fashion MNIST using EVoC with interactive parallel coordinates and treemap views.

by marimo team
SourceVisualize neural network loss landscapes in 3D; inspired by Ziming Liu.

by marimo team
SourceAn interactive simulation of the famous 100 prisoners probability puzzle.

by marimo team
SourceExplore price differences across Lego themes and analyze price-per-piece patterns.

by marimo team
SourceInteractive visualization for detecting bots in WoW player data using session length analysis.

by marimo team
SourceA comparison of the GDPO and GRPO reinforcment learning algorithms.

by marimo team
SourceDraw scatter data interactively and visualize it with Altair histograms.

by marimo team
SourceExplore movie data interactively with a dashboard constructed with marimo UI elements.

by marimo team
SourceContent-aware image resizing that preserves important features using dynamic programming.

by marimo team
SourceClick and zoom into maps to explore and get coordinates back in Python.

Interactive simulation of federated learning with hospitals training local models and FedAvg aggregation.

by marimo team
SourceBreaking a complex signal into the sum of simpler interpretable components.

by marimo team
SourceSelect data points on a scatter plot and get them back in Python.

by marimo team
SourceDrag and drop GPX, GeoJSON, KML or TopoJSON files on to the map.

by marimo team
SourceUse openstreetmaps and openlayers to show all the airports out there.

by marimo team
SourceExplore F1 races with DuckDB as a backend in marimo.

by marimo team
SourceExploring unlearning in large language models by overfitting what you don't want.

by marimo team
SourceReproduce the String Seed of Thought paper: showing LLMs struggle to sample uniformly and a trick to fix it.

by marimo team
SourceCan you draw a counter-example of the Borsuk-Ulam Theorem? Probably not.

by marimo team
SourceA demo of how to use marimo UI and f-strings to interpolate SQL queries.

by marimo team
SourceConvert voice input to text using the browser's speech recognition.

by marimo team
SourceGrab 2D slices using trimesh, a Python library to work with 3D files.

by marimo team
SourceAn interactive exploration of matrix decomposition techniques.

by marimo team
SourceAn interactive exploration of dice probability calculations and distributions.

by marimo team
SourceDemo showing GliNER v2 for zero-shot entity extraction, runnable as webapp, API, or CLI.

by marimo team
SourceInteractive Altair charts with brush selection and reactive filtering.

by marimo team
SourceBootstrap scikit-learn classification models with automatic preprocessing and cross-validation.

by marimo team
SourceInteractive simulation of Lanchester's Laws of combat

by marimo team
SourceInteractive exploration of evolutionary optimization algorithms

by marimo team
SourceVisualize gradient descent with momentum and smoothing techniques

by marimo team
SourceExplore Simpson's paradox with Bayesian modeling, showing how confounding variables can reverse observed trends.

by marimo team
SourceReproduce research on prompt repetition with a notebook that can run experiments properly.

Explore Butina clusters of aligned chemical structures with an interactive cluster viewer.

Mandelbrot set computation that uses the marimo-cython plugin for speedup.

by marimo team
SourceExplore why fair games require an odd number of elements through interactive game theory math.

Interactive Bayesian linear regression showing how posterior distributions evolve as data points are added.

by marimo team
SourceInteractive exploration of 2D image convolution kernels with real-time side-by-side previews.

Custom audio widget for annotation using anywidget and wavesurfer.js.

by marimo team
SourceHow complex functions like z², 1/z, and e^z transform images using an interactive puck.

by marimo team
SourceInteractive recursive zoom simulator with log-polar coordinate transformations and paint!

Interactive 3D hexagonal heatmap on a map with adjustable radius, coverage, and elevation.

by marimo team
SourceA primer on self-attention, a building block for modern Transformers.

by marimo team
SourceA primer on multi-head attention, the standard attention block used in modern Transformers.

Visualization of diffusion MRI tractography, with a widget to explore slices of a human brain by scrolling.

Predict carbohydrate-active enzyme families from protein embeddings using a random forest model with a neural network.

by marimo team
SourceCompare image-generation models side-by-side through OpenRouter, with optional sketch-based prompting.

by marimo team
SourceInteractively visualize hypercube graphs in arbitrary dimensions with a force-directed layout.

by marimo team
SourceStep through a breadth-first search of the McNugget problem and watch the reachable totals fan out.

by marimo team
SourceUpload a photo and visualize relative depth as a colorized map and interactive 3D point cloud.