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Flake8 vs pycodestyle: catalog facts
Flake8	pycodestyle
Free Free and open source under the MIT license.	Free Free and open source under the Expat license.
Command line	Command line
Checks individual Python files or directories Supports selecting and ignoring specific warnings	Checks code against PEP 8 conventions Supports plugins and configurable checks
Requires a compatible Python installation Command-line interface	Checks style conventions rather than program behavior Requires Python
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.