It's surprising how much software today still doesn't support international characters out of the box. Even in Slovenia it's common to get to a brand new web site where one form or the other will not allow Slovenian characters (č, ž and š) to be entered. Recently I was told by one Slovenian company that heir "computer" only supports English letters when I complained that my name was misspelled on their correspondence.

An opensource book on how to use jython 2.5. Made by the creators themselves.

A HQ video tutorial on web2py and ajax spreadsheets.