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Tech riderRev. 5 Oct 2026

pyenv

Ch 356.0of 51 Development Environment Managers
  1. 1Runs onLinux, Mac, self-hosted
  2. 2CostsFree plan
  3. 3Supported scopesingle language
  4. 4Project version pinningYes
  5. 5Lockfile supportYes
  6. 6Automatic switchingYes
  7. 7Shell integrationYes
  8. 8Operating systemscross platform
8 lines stated Written from the maker's own pages: github.com
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The pyenv homepage

Overview

pyenv is ranked #35 of 51 in development environment managers on Specifiction. It runs on Linux, macOS, Self-hosted. There is a free plan.

pyenv plans and pricing

All plans
pyenv Free MIT-licensed open-source project · no paid plans or pricing stated github.com · 5 Oct 2026

Compared on development environment managers

Supported scope
single_languagegithub.com
Project version pinning
Yesgithub.com
Lockfile support
Yesgithub.com
Automatic switching
Yesgithub.com
Shell integration
Yesgithub.com
Operating systems
cross_platformgithub.com

Facts

Purpose
pyenv lets users switch between multiple Python versions.github.com · 5 Oct 2026
Version selection
It supports global per-user and per-project Python versions, plus overrides through an environment variable.github.com · 5 Oct 2026
Distributions
It supports CPython, PyPy, Stackless Python, Jython, and other Python distributions.github.com · 5 Oct 2026
Shims
It intercepts Python commands through shim executables added to PATH and routes them to the selected installation.github.com · 5 Oct 2026
Multiple versions
Users can make multiple installed Python versions available at once, including for cross-version testing with tox.github.com · 5 Oct 2026
Builds
Most pyenv-provided Python releases are built from source during installation, and Python build dependencies must be installed first.github.com · 5 Oct 2026
Virtual environments
pyenv does not manage virtual environments itself; the project points users to virtualenv or the pyenv-virtualenv plugin.github.com · 5 Oct 2026
Plugins
The project supports extending and customizing functionality with plugins.github.com · 5 Oct 2026
Installation
The README documents installation on Linux/Unix and macOS, including a shell installer, Git checkout, and Homebrew.github.com · 5 Oct 2026
Windows support
The project says it does not officially support Windows and does not work outside Windows Subsystem for Linux; it recommends the pyenv-win fork for native Windows Python versions.github.com · 5 Oct 2026
Security
The v2.8.0 changelog lists a fix for CVE-2026-68939 involving glob character handling in .python-version.github.com · 5 Oct 2026
License
The repository identifies pyenv as MIT licensed.github.com · 5 Oct 2026

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Where it ranks on Specifiction

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Sources