uv
7.6#3 in package managersFree planFree planLinuxmacOSWindows
Visituv vs Yarn
What both publish
| Fact | uv | Yarn |
|---|---|---|
| Dependency resolution | Yes | Yes |
| Free plan | Yes | Yes |
| Lockfile support | Yes | Yes |
| Offline installation | Yes | Yes |
| Package formats | source distributions,wheels,requirements.txt,pylock.toml | npm packages; tarballs; local,Git,link,patch,portal,and workspace references |
| Private registry auth | Yes | Yes |
| Purpose | uv is an extremely fast Python package and project manager written in Rust. | Yarn is a package manager that also describes itself as a project manager. |
| Supported platforms | macOS,Linux,Windows,CPython,PyPy,Pyodide,GraalPy | Linux,macOS,Windows |
| Workspace support | Yes | Yes |
uv plans
- uvFree
Yarn plans
- YarnFree
Pick uv if…
uv suits Python developers looking to manage project environments and dependencies, install Python versions, or run scripts and command-line tools. Its pip-compatible interface may appeal to those consolidating several Python tool workflows.
Pick Yarn if…
Yarn suits developers working on JavaScript projects, including open-source contributors and enterprise users. Its workspace features are relevant to teams managing monorepos.