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pyenv

Free#21 of 30 in Development Environment ManagersRuntime Version Managers

pyenv: A focused, open-source tool for switching Python versions across projects and shells. Ranked #21 of 30 in Development Environment Managers by our editors (6.5/10); pricing: Open source; best for python teams needing lightweight version switching.

6.5/10Editor score
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At a glance

  • Editor score
    6.5 / 10
  • Pricing
    Open source
  • Best for
    Python teams needing lightweight version switching
  • Paid from
    Free
  • Supported scope
    Single_language
  • Facts checked
    20 Sep 2026
pyenv screenshot

  • Where it wins

    • Switch Python versions globally, per project, or per shell
    • Pins project versions with .python-version files
    • Supports CPython, PyPy, Stackless Python, and Jython

  • Where it doesn't

    • Focused on Python rather than multiple programming languages
    • Native Windows installations are not officially supported
    • Command-line setup may require shell and PATH configuration

Our verdict on pyenv

pyenv is an open-source command-line tool for installing and switching between multiple Python versions on Linux and macOS. It suits Python developers and teams that need separate interpreters for different projects without adopting a broader, multi-language environment manager. Version selection can apply globally, to a project, or only to the current shell, while a .python-version file lets projects declare their preferred Python version. pyenv also supports multiple Python distributions, including CPython, PyPy, Stackless Python, and Jython.

Its main strength is focused version control through familiar shell mechanisms. PATH-based shims route Python commands to the selected installation, and PYENV_VERSION can override the active choice when a temporary change is needed. Automatic switching, shell integration, command search across installed versions, and plugin support add flexibility without changing the tool's single-language focus. Project pinning and lockfile support also suit teams that want reproducible environment choices alongside their existing project workflow.

pyenv is free and open source, so there are no subscription tiers to compare. The tradeoff is scope: it manages Python versions and distributions, but it is not positioned as a general development environment manager for several languages. Native Windows installations are not officially supported; Windows users are directed to the separate pyenv-win fork. Choose pyenv if your team works primarily with Python on Linux or macOS and wants lightweight, explicit version switching. Consider an alternative if native Windows support or broader language management is a requirement.

Your product? Our editors can test pyenv in depth and publish a review, labelled as paid · from $149/mo →

pyenv pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.
See plans on github.com

pyenv fact sheet

Free planNot verified
Paid fromFree
Supported scopeSingle_language
Project version pinningYes
Lockfile supportYes
Automatic switchingYes
Shell integrationYes
Operating systemsCross_platform
CI/CD usageNot verified
DeploymentDesktop
PlatformsLinux, macOS
SupportDocs
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
PricingOpen source
Websitegithub.com
Facts checked20 Sep 2026

Alternatives to pyenv

See all pyenv alternatives →

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Featured on iTechGuides

Featured on iTechGuides — pyenv 6.5/10

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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