Great Zoltar is a fortune-teller Twitter bot application. You can use this repository as a base for any auto-reply Twitter bot.
This application uses Cilex as cli framework and TTools as Twitter API wrapper.
Tweet a question to @greatZoltar and in a few minutes he will answer you. The question must be a YES or NO question, of course :) And don't forget to add a '?' in your tweet, otherwise how can he knows you are asking?