It's not an open-source project, but I've been using the following to brush up on Python and teach my daughters some programming: http://learnpythonthehardway.

It's not an open-source project, but I've been using the following to brush up on Python and teach my daughters some programming: http://learnpythonthehardway.org/ http://learnpythonthehardway.org/ https://github.com/gregmalcolm/python_koans https://github.com/gregmalcolm/python_koans http://projecteuler.net/ http://projecteuler.net/ And, I am getting ready to 'port' some old AppleSoft Basic games from when I was a kid: http://www.atariarchives.org/basicgames/ http://www.atariarchives.org/basicgames/