WTForms is a flexible forms validation and rendering library for Python web development. It is very similar to the web form API available in Django, but is a standalone package.

pyquery allows you to make jQuery queries on xml documents. The API is as much as possible the similar to jQuery. pyquery uses lxml for fast xml and html manipulation.

This package is a fork from the retry package, but with some of added community-sourced features. It provides an easy to use, but functional decorator for retrying on exceptions.

AntroPy is a Python package providing several time-efficient algorithms for computing the complexity of time-series. It can be used for example to extract features from EEG signals.

This package contains colormaps for commonly-used oceanographic variables. Most of the colormaps started from matplotlib colormaps, but have now been adjusted using the viscm tool to be perceptually uniform.

This Python module provides an abstraction layer for interacting with constraint solvers. Specifically, it is intended to be used with SMT solvers and is built on top of the Z3 solver.

PyKafka is a client for the Apache Kafka distributed messaging system. It includes Python implementations of Kafka producers and consumers, which are optionally backed by a C extension built on librdkafka.

rfc3986 is a Python implementation of RFC 3986 including validation and authority parsing. This module also supports RFC 6874 which adds support for zone identifiers to IPv6 addresses.

The pyscard smart card library is a framework for building smart card aware applications in Python. The smart card module is built on top of the PCSC API Python wrapper module.

Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language. It makes writing C extensions for Python as easy as Python itself.

This is a Python package for the interactive visualization of bulk RNA-seq data. It provides a range of plotting functions and interactive tools to explore and analyze bulk RNA-seq data.

DeepXDE is a library for scientific machine learning and physics-informed learning. It includes implementations for the PINN (physics-informed neural networks), DeepONet (deep operator network) and MFNN (multifidelity neural network) algorithms.

ASGI is a standard for Python asynchronous web apps and servers to communicate with each other, and positioned as an asynchronous successor to WSGI. This package includes libraries for implementing ASGI servers.

olefile can parse, read and write Microsoft OLE2 files (Structured Storage or Compound Document, Microsoft Office). It is an improved version of the OleFileIO module from PIL, the Python Image Library.

Distlib is a library which implements low-level functions that relate to packaging and distribution of Python software. It is intended to be used as the basis for third-party packaging tools.

asyncpg is a database interface library designed specifically for PostgreSQL and Python/asyncio. asyncpg is an efficient, clean implementation of PostgreSQL server binary protocol for use with Python's asyncio framework.

pylibmc is a client in Python for memcached. It is a wrapper around TangentOrg’s libmemcached library, and can be used as a drop-in replacement for the python-memcached library.

trustme is a tiny Python package that does one thing: it gives you a fake certificate authority (CA) that you can use to generate fake TLS certs to use in your tests.

The aiocoap package is an implementation of CoAP. It facilitates writing applications that talk to network enabled embedded IoT devices.

EnOSlib is a library to build experimental frameworks on various scientific testbeds. It lets you deploy networks of machines on actual hardware on Grid'5000 or via OpenStack, to Vagrant, Chameleon, and more.

Pynotify2 provides a Python interface for sending D-Bus notifications. It is a reimplementation of pynotify in pure Python, and an alternative to the GObject Introspection bindings to libnotify for non-GTK applications.

Pywal16 is a tool that generates a color palette from the dominant colors in an image. It then applies the colors system-wide and on-the-fly in all of your favorite programs.

Logbook is a logging system for Python that replaces the standard library’s logging module. It was designed with both complex and simple applications in mind and the idea to make logging fun.

Roifile is a Python library to read, write, create, and plot ImageJ ROIs, an undocumented and ImageJ application specific format to store regions of interest, geometric shapes, paths, text, etc for image overlays.