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Hatch vs Pyflow: catalog facts
Hatch	Pyflow
Free Free and open source, with sponsorship accepted.	Free Free and open source under the MIT licence.
Command line	Windows, Linux, Command line
Covers environments, builds, testing, versioning and publishing in one tool Reproducible builds by default	Manages Python versions and dependencies in one tool Written in Rust for speed
Command-line only Many options to learn compared with simpler tools	No published GitHub releases Smaller user base than pip, Poetry or uv
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 2, 2026

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