Below are a few tools and projects that we are particularly involved with, though the list of open source projects to which we contribute is much larger.
Jupyter Notebooks
Interactive documents for research and education.
Jupyter Lab
A customizable and extensible data science interface
JupyterHub
Cloud-based computing environments for groups
The PyData Ecosystem
Open Source tools for Scientific Computing
Jupyter Book
Interactive, beautiful books with Jupyter
Dask
Advanced parallelism for analytics