Cleese is a project to build a functioning operating system written almost entirely in Python. The basic idea is to have a microkernel mostly based on the Python VM and all other operating system functionality written in Python.

With Dave Long, I successfully built a proof-of-concept back in 2003.

In February 2007, I moved Cleese from SourceForge to Google Code Project Hosting and then in October 2009 to GitHub at

Pages in this category

One Laptop Per Child, Python (and Cleese)
Posted Feb. 23, 2007
Cleese and a New Toolchain
Posted Nov. 3, 2008
Cleese and Disk Images
Posted Nov. 5, 2008

The original post was in the category: python but I'm still in the process of migrating categories over.