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

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived connection to each user.

PRAW is a Python package that allows for simple access to Reddit’s API. It aims to be easy to use and internally follows all of Reddit’s API rules.

Genshi is a Python library that provides an integrated set of components for parsing, generating, and processing HTML, XML or other textual content for output generation on the web.

Parsel is a library to extract and remove data from HTML and XML using XPath and CSS selectors, optionally combined with regular expressions.

This package provides a Python client library for the OpenAI API.

Zope.testing provides a number of testing utilities for HTML forms, HTTP servers, regular expressions, and more.

This package provides utilities to merge, minify and compress Javascript and CSS files,supporting a variety of different filters, including YUI, jsmin, jspacker or CSS tidy. It also supports URL rewriting in CSS files.

Selenium simplifies web browser automation. It specifically provides infrastructure for the W3C WebDriver specification — a platform and language-neutral coding interface compatible with all major web browsers.

Selenium Manager is a CLI tool that automatically manages the browser/driver infrastructure required by Selenium.

This package provides a simple Python library that queries multiple geolocation services until one succeeds.

Python client library for Google's discovery based APIs

Mohawk is an alternate Python implementation of the Hawk HTTP authorization scheme.

This package contains a set of persistent object containers built around a modified BTree data structure. The trees are optimized for use inside ZODB's "optimistic concurrency" paradigm, and include explicit resolution of conflicts detected by that mechanism.

This package contains a generic persistence implementation for Python. It forms the core protocol for making objects interact "transparently" with a database such as the ZODB.

This Python library provides a Microformats2 parser implementing the full Microformats2 (mf2) specification, including backward compatibility with Microformats1 (mf1).

ACME is Automatic Certificate Management Environment, a protocol that allows clients and certificate authorities to automate verification and certificate issuance. The ACME protocol is used by the free Let's Encrypt Certificate Authority.

txacme is an implementation of the protocol for Twisted, the event-driven networking engine for Python.

This package provides an async client for Amazon services using botocore and aiohttp/asyncio. This library is a mostly full featured asynchronous version of botocore.

Socket.IO integration for Flask applications

Generator for OpenAPI Documentation version 2 and 3, in JSON and YAML formats. Generator for other kinds of documents from OpenAPI Documentation files.

apiron provides a declarative, structured configuration of services and endpoints with a unified interface for interacting with RESTful APIs.

This package provides utilities jointly used by devpi-server, devpi-client and others.

Zope.scheme provides extensions to zope.interface for defining data schemas.

This Python module provides Signal, an abstraction to register asynchronous callbacks. The Signal abstraction can be used for adding, removing and dropping callbacks.

Css-parser is a Python package for parsing and building CSS Cascading Style Sheets. Currently it provides a DOM only and no rendering options.

It's a fork of cssutils 1.0.2, updated and modified for parsing ebooks, due to cssutils not receiving updates as of 1.0.2.