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Hatch vs virtualenv: catalog facts
Hatch	virtualenv
Free Free and open source, with sponsorship accepted.	Free Free and open source under the MIT licence.
Command line	Command line
Covers environments, builds, testing, versioning and publishing in one tool Reproducible builds by default	Keeps project dependencies separate from the system Python Lets you choose the Python version for each environment
Command-line only Many options to learn compared with simpler tools	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
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.