PyMySQL is a pure-Python MySQL client library, based on PEP 249. Most public APIs are compatible with mysqlclient and MySQLdb.

Certifi is a Python library that contains a CA certificate bundle, which is used by the Requests library to verify HTTPS requests.

This Python tool figures out the differences between two similar XML files, in the same way the diff utility does it.

The minifier is based on the semantics of the YUI compressor, which itself is based on the rule list by Isaac Schlueter.

This package detects which async library a program is running under. It supports multiple async I/O packages, like Trio, and asyncio.

Libxml2 is the XML C parser and toolkit developed for the Gnome project (but it is usable outside of the Gnome platform).

This package implements both parametric and permutation-based ARI, and is meant to be compatible with the MNE-Python ecosystem.

librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.

This framework facilitates the execution of differential junction usage (DJU) methods. Additionally, it enables the integration of results from multiple DJU methods.

PyGPGME is a Python module that lets you sign, verify, encrypt and decrypt messages using the OpenPGP format by making use of GPGME.

Python-hacking is a set of flake8 plugins that test and enforce the OpenStack style guidelines.

meshzoo is a mesh generator for finite element or finite volume computations for simple domains like regular polygons, disks, spheres, cubes, etc.

python-pydicom is a Python library for reading and writing DICOM medical imaging data. It can read, modify and write DICOM data.

Webtest allows you to test your Python web applications without starting an HTTP server. It supports anything that supports the minimum of WSGI.

Betamax will record your test suite's HTTP interactions and replay them during future tests. It is designed to work with python-requests.

This Python module implements an IL, also known as IR, used by the angr binary analysis platform.

unicode is a command-line utility that displays properties for a given unicode character, or searches unicode database for a given name.

Hclust2 is a handy tool for plotting heat-maps with several useful options to produce high quality figures that can be used in publications.

This is a low-level, pure Python DBus protocol client. It has an I/O-free core, and integration modules for different event loops.

Awkward Array is a library for nested, variable-sized data, including arbitrary-length lists, records, mixed types, and missing data, using NumPy-like idioms.

This package provides powerful tools for geospatial data manipulation in Python, including working with coordinate reference systems, grid definitions, and spatial transformations.

Nilearn enables approachable and versatile analyses of brain volumes and surfaces. It provides statistical and machine-learning tools, with instructive documentation & open community.

OnlyKey Python Command-Line Utility is a command line tool targeted towards more advanced users. This can be used for configuration and testing.

Pynbody is an analysis framework for N-body and hydrodynamic astrophysical simulations supporting PKDGRAV/Gasoline, Gadget, Gadget4/Arepo, N-Chilada and RAMSES AMR outputs.