pypa

PyPA

wheel

Implementation of the 'wheel' packaging format.

setuptools

Tools for packaging, distribution, and installation of Python packages, augmenting the distutils standard library.

pypi

Python Package Index

distlib

Low-level parts of packaging/distutils2 which implement the relevant PEPs and which could be used by third-party packaging tools to achieve interoperability, enhanced with additional features for dependency resolution, package resource management and more. Works with Python 2.x and 3.x with a single codebase. Documentation available at http://distlib.readthedocs.org/ and test coverage results are at http://www.red-dove.com/distlib/coverage/

pylauncher

PEP 397 compatible launcher for Python under Windows.

pkg_resources

pkg_resources all by itself, copied from setuptools tip.

bootstrap

The pip / setuptools bootstrap to be included in Python 3.4+ and back-ported to Python 2.6+.