uv: stats, trends and alternatives

pypa/pip

Python's default package installer, bundled with every CPython distribution.

astral-sh/ruff

Rust-powered Python linter and formatter that replaces Flake8, isort and Black at 10-100x the speed.

python-poetry/poetry

Dependency management and packaging with lockfiles; widely used but losing new projects to uv.

conda/conda

Cross-language package and environment manager common in data science and scientific computing.

prefix-dev/pixi

Fast, Rust-based package manager for conda and PyPI ecosystems with reproducible lockfiles.

pypa/hatch

PyPA project manager and build backend (hatchling) for environments, versioning and publishing.

pdm-project/pdm

Standards-based Python package and project manager with PEP 621 metadata and lockfiles.

psf/black

The uncompromising Python formatter; still widespread, though many projects now use Ruff's formatter.

pypy/pypy

Alternative Python implementation with a tracing JIT for faster long-running pure-Python code.

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