01Cross-field
marimo
Reactive Python notebooks that keep code and outputs in sync. Turn an experiment into a reproducible, interactive app.
A useful next contribution
Editorial opening—not a request or endorsement from the featured project.
- What exists
- Reactive Python notebooks that keep code and outputs in sync. Turn an experiment into a reproducible, interactive app.
- Specific opening
- Turn one of your analysis notebooks into an experiment someone else can rerun.
- Inspect or try
- marimo ↗
- Useful contribution
- A notebook that reruns from a clean environment, with public inputs, dependency versions, and one explained result.
Source availableCheck source terms
marimo · official project · Opens an external site02Neurotech
Neuromatch computational neuroscience
Open course materials for learning the models and methods of computational neuroscience, with executable tutorials.
A useful next contribution
Editorial opening—not a request or endorsement from the featured project.
- What exists
- Open course materials for learning the models and methods of computational neuroscience, with executable tutorials.
- Specific opening
- Reproduce a tutorial result and explain which modeling assumption matters most.
- Inspect or try
- Neuromatch computational neuroscience ↗
- Useful contribution
- A pinned tutorial and notebook, environment versions, expected versus observed output, and one modeling limitation.
Source availableCheck source terms
Neuromatch · course materials · Opens an external site03Cross-field
JupyterLite
An actual notebook environment in your browser. Explore Python without first setting up a server.
A useful next contribution
Editorial opening—not a request or endorsement from the featured project.
- What exists
- An actual notebook environment in your browser. Explore Python without first setting up a server.
- Specific opening
- Package a small public dataset with a notebook that runs from a clean browser.
- Inspect or try
- JupyterLite ↗
- Useful contribution
- A browser-runnable notebook, a small public dataset, and instructions that work without a local Python install.
Source availableCheck source terms
Project Jupyter · documentation · Opens an external site04Economies & Governance
cadCAD
Model complex systems and compare the consequences of different policies before deploying them in the real world.
A useful next contribution
Editorial opening—not a request or endorsement from the featured project.
- What exists
- Model complex systems and compare the consequences of different policies before deploying them in the real world.
- Specific opening
- What behavior changes your model’s conclusion? Publish the sensitivity analysis.
- Inspect or try
- cadCAD ↗
- Useful contribution
- A model, parameter sweep, and comparison showing which assumption changes a policy conclusion. Label simulated outcomes.
Source availableCheck source terms
cadCAD · official project · Opens an external site05Neurotech
Allen Brain Map
An open doorway into brain cell types, connectivity datasets, visualization tools, and research protocols.
A useful next contribution
Editorial opening—not a request or endorsement from the featured project.
- What exists
- An open doorway into brain cell types, connectivity datasets, visualization tools, and research protocols.
- Specific opening
- Connect one published claim to its dataset, method, and reproducible analysis.
- Inspect or try
- Allen Brain Map ↗
- Useful contribution
- The exact dataset and version, measurement units, source method, and an analysis someone can rerun.
Resource portalCheck source terms
Allen Institute · open resources · Opens an external site