marimo is the reactive Python notebook that's reproducible, Git-friendly, stored as Python, executable as a script, and deployable as an app.

PyMDE is a GPU-accelerated library for embedding large datasets and laying out graphs. PyMDE generalizes over 100 years' worth of embedding methods. Use it to embed single-cell transcriptomes, news documents, graphs, and more.

CVXPY is a parser-compiler for convex optimization that extends the reach of low-level numerical solvers. CVXPY is used by dozens of universities and companies, for problems in energy management, finance, resource allocation, and more, and has over half a million monthly downloads.