I tweeted this chronology and I got quite some interest, so here's a blog post with more details. 1998: Distutils-SIG created 2000: Python 1.6 with Distutils included in the stdlib 2000: Catalog-SIG created 2001: First version of the Metadata 2003: The Cheeseshop (poorly named PyPI, eventually) 2004: The Setuptools project gets a lot of traction 2006: The zc.buildout project is launched to deploy