3. XarrayN-D labeled arrays and datasets in Python
5. NumexprFast numerical array expression evaluator for Python, NumPy, PyTables, pandas, bcolz and more
6. PyrallelExperimental parallel data analysis toolkit.
8. PatsyDescribing statistical models in Python using symbolic formulas
10. SparseSparse multi-dimensional arrays for the PyData ecosystem
15. notebooksPlace to contribute PyData-related IPython HTML notebooks