Boolean operations on paths

https://github.com/typemytype/booleanOperations

Deduplicating backup program

https://pypi.org/project/borgbackup/

Python interface to Amazon Web Services

https://github.com/boto/boto/

AWS SDK for Python

https://github.com/boto/boto3

Low-level, core functionality of boto 3

https://github.com/boto/botocore

Fast and simple WSGI-framework for small web-applications

http://bottlepy.org/

Collection of fast NumPy array functions written in Cython

https://github.com/kwgoodman/bottleneck

Brace expansion

https://pypi.org/project/bracex/

Generic-purpose lossless compression algorithm

https://github.com/google/brotli

Python CFFI bindings to the Brotli library

https://github.com/python-hyper/brotlicffi

Python binding to the Brotli library

https://github.com/python-hyper/brotlicffi

Python extension module for BerkeleyDB 4+

https://www.jcea.es/programacion/pybsddb.htm

PEP517 package builder

https://github.com/pypa/build

Buildbot Console View plugin

https://buildbot.net

Buildbot Grid View plugin

https://buildbot.net

Buildbot packaging tools

https://buildbot.net

Buildbot Waterfall View plugin

https://buildbot.net

Buildbot UI

https://buildbot.net

Read and write bzip2-compressed files

https://github.com/nvawda/bz2file

Caching algorithms in httplib2 for use with requests session object

https://github.com/ionrock/cachecontrol/

Extensible memoizing collections and decorators

https://github.com/tkem/cachetools

Python 2 bindings for Cairo

https://github.com/pygobject/pycairo

CFFI-based Cairo bindings for Python

https://github.com/SimonSapin/cairocffi

Simple SVG Converter based on Cairo

https://www.courtbouillon.org/cairosvg

Setuptools extension for CalVer package versions

https://github.com/di/calver

Python bindings for the Capstone Disassembly Engine

https://www.capstone-engine.org

Python client library for Apache Cassandra

https://github.com/datastax/python-driver

Composable complex class support for attrs and dataclasses

https://catt.rs/en/stable/ https://github.com/python-attrs/cattrs

Draw pretty animated colored circles in the terminal

https://github.com/tartley/cbeams

RFC 7049 - Concise Binary Object Representation

https://pypi.org/project/cbor/

Pure Python CBOR (de)serializer with extensive tag support

https://pypi.org/project/cbor2/

Let's Encrypt client

https://github.com/certbot/certbot

Apache plugin for Certbot

https://github.com/certbot/certbot

OVH DNS Authenticator plugin for Certbot

https://github.com/certbot/certbot

NGINX plugin for Certbot

https://github.com/certbot/certbot

Mozilla SSL certificates

https://github.com/certifi/python-certifi

Foreign Function Interface for Python calling C code

http://cffi.readthedocs.org/

Standalone CFF subroutinizer based on the AFDKO tx tool

https://github.com/adobe-type-tools/cffsubr

Validate configuration and produce human readable error messages

https://github.com/asottile/cfgv

Python attributes without boilerplate

https://github.com/hynek/characteristic

Universal encoding detector for Python

https://github.com/chardet/chardet/

Real First Universal Charset Detector

https://github.com/Ousret/charset_normalizer

HTML template engine for Python

https://cheetahtemplate.org/

Highly-optimized, pure-python HTTP server

https://github.com/cherrypy/cheroot

Pythonic, object-oriented web development framework

http://www.cherrypy.org/

Python framework for command line utilities

https://liw.fi/cliapp/

Python package for creating command line interfaces

https://github.com/mitsuhiko/click

Extend click.Group to invoke a command without explicit subcommand name

https://github.com/click-contrib/click-default-group

Colorization of help messages in Click

https://github.com/click-contrib/click-help-colors

Minimal bindings to GitHub fork of cmark

https://github.com/theacodes/cmarkgfm