Modules

argparse - parser for command-line options, arguments and sub-commands.
json - JSON encoder and decoder.
logging - logging facility for Python.
re - regular expression operations.
csv - CSV file reading and writing.
ldap3 - LDAP.
mysql.connector - connecting to MySQL using Connector/Python.
requests - elegant and simple HTTP library for Python, built for human beings.
configparser - configuration file parser.
xml.etree.ElementTree - implements a simple and efficient API for parsing and creating XML data.
platform - access to underlying platform’s identifying data.
threading - thread-based parallelism.
queue - synchronized queue class.
mailbox - manipulate mailboxes in various formats.
paramiko - making SSH2 connections (client or server).
subprocess - subprocess managemen.
multiprocessing - process-based parallelism.
threading - thread-based parallelism.
concurrent.futures - launching parallel tasks.
asyncio - asynchronous I/O.
netmiko - multi-vendor library to simplify Paramiko SSH connections to network devices.
pprint - data pretty printer.
bracket_expansion - generator for bracket-expansion function.
jinja2 - jinja is a sandboxed template engine written in pure Python.
pyyaml - the next generation YAML parser and emitter for Python.
ncclient - library for NETCONF clients.
getpass - portable password input.
dis - python bytecode disassembler.
shutil - provides many functions of high-level operations on files and collections of files.
os - provides a portable way of using operating system dependent functionality.
os.path - implements some useful functions on pathnames.
platform - probe the underlying platform’s hardware, operating system, and interpreter version information.
lxml - most feature-rich and easy-to-use library for processing XML and HTML in the Python language.
importlib - implementation of import.
pyinstaller - bundles a Python application and all its dependencies into a single package.
posixpath - for UNIX-style paths like os.path.
warnings - part of the warnings subsystem.
collections - container datatypes.
datetime - basic date and time types.
locale - work with locale, internationalization services.
calendar - work with calendar, general calendar-related functions.
Pillow - imaging Library.
inspect - inspect live objects.
diagrams - diagram as code.
sh - full-fledged subprocess replacement.
selenium - tools and libraries enabling web browser automation.
wgconfig - parsing and writing WireGuard configuration file.
pickle - implements binary protocols for serializing and de-serializing a Python object structure.
tinydb - document oriented database.
beautifulsoup4 - library for parsing HTML and XML.
openpyxl - work with excel.
webbrowser - web-browser controller.
peewee - simple and small ORM.
SQLAlchemy - ORM.
functools - higher-order functions and operations on callable objects.
typing - support for type hints.
hashlib - secure hashes and message digests.
secrets - generate secure random numbers for managing secrets.
semver - simplifies comparing versions.
python-gitlab - is a Python package providing access to the GitLab server API.
jira - Jira REST API from Python.
nexus3-cli - python-based command-line interface and API client for Sonatype’s Nexus OSS 3.
enum - support for enumerations.
tqdm - console progress bar.
pre-commit - framework for managing and maintaining multi-language pre-commit hooks.
rich - library for rich text and beautiful formatting in the terminal.
bcrypt - acceptable password hashing..
cryptography - cryptographic module.
unicorn - next Generation CPU Emulator Framework.
capstone - lightweight multi-platform, multi-architecture disassembly framework.
openpyxl - python library to read/write xlsx/xlsm files.

Testing & Checking

pylint - static code analysis tool, helps enforcing a coding standard, sniffs for code smells and offers simple refactoring suggestions.
flake8 - tool that glues together pep8, pyflakes, mccabe, and third-party plugins to check the style and quality of some python code.
yamllint - a linter for YAML files.
unittest - unit testing framework.
pytest - unit testing framework.