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PDM vs virtualenv: catalog facts
PDM	virtualenv
Free Free and open source, supported by sponsors.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Command line
Follows PEP 621 and PEP 517 standards Lock files, workspaces and user scripts	Keeps project dependencies separate from the system Python Lets you choose the Python version for each environment
Requires Python 3.10 or later to run uv integration is still experimental	Much of its core function is also covered by the built-in venv module Does not manage dependency lock files by itself
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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