pip: Python's official package manager easy_install: Forget it existed, substitute with pip virtualenv: A virtual environment, providing an isolated Python an

pip: Python's official package manager easy_install: Forget it existed, substitute with pip virtualenv: A virtual environment, providing an isolated Python and libraries mkvirtualenv: A script to create a virtualenv pipenv: Combines pip and virtualenv into an integrated solution, comes with a Pipfile not unlike Ruby's Gemfile for example pyenv: Script that helps to install and manage different Python versions on your system, so you can have the full range of Python 2.x and 3.x installed without them getting in the way of each other. Allows you to set local, default and system Pythons allowing you to switch your Python interpreter depending on which project/directory you're in