Python and Ruby Development Tools: A Quick Reference

Purpose	Python Tool	Ruby Tool	Use Case	Python Installation Method	Ruby Installation Method
Package Manager	pip	gem	Installing packages	pip install <package>	gem install <gem_name>
Dependency Management	pipenv, poetry	bundler	Managing dependencies	pip install pipenv / pip install poetry	bundle install
Environment	venv, Conda	rbenv, RVM, chruby	Isolating project environments	python -m venv <env_name> / conda create -n <env_name>	rbenv install <version> / rvm install <version>
Version Management	pyenv, Conda	rbenv, RVM, chruby	Managing Python/Ruby versions	pyenv install <version> / conda install python=<version>	rbenv install <version> / rvm install <version>
Combined (Version + Environment)	pyenv-virtualenv	RVM	Version + env management	pyenv virtualenv <version> <env_name>	rvm use <version>
Documentation	Sphinx, MkDocs	yard	Generating project documentation	pip install sphinx / pip install mkdocs	gem install yard
Testing Framework	pytest, unittest	RSpec, minitest	Running unit tests	pip install pytest / included in Python	gem install rspec / included in Ruby
Task Management	invoke, doit	rake	Task automation	pip install invoke / pip install doit	gem install rake
Project Management	tox	rake	Automating testing/commands	pip install tox	gem install rake