survey: cool but not so well-known python apps

[Alia Khouri]

This mini-survey's purpose is to raise awareness of certain apps that
perhaps don't have the marketing profile/momentum of some of the
better known python apps out there, but are cool and interesting
nonetheless.

To this end, please post 3-5+ apps that you think deserve more
attention:

Here's my list (unordered):

- leo-editor (a literate programming and outlining editor)
http://webpages.charter.net/edreamleo/front.html

- nodebox (the python programmer as artist) http://nodebox.net

- orange (makes datamining/machine learning fun and accessible)
http://www.ailab.si/Orange/

- functional (for the inner functional programmer in you)
http://pypi.python.org/pypi/functional

- ubigraph (dynamic graph visualization) http://ubietylab.net/ubigraph/