An extendable Python based Twitter bot which will reply to various keyworded tweets.
"Isn't this against the ToS?", I hear you ask. Well, sort of, but sort of not. Yes, it might be covered by the spamming or unsolicited mentions rules, but in my opinion, no more than some asshole going around correcting people manually, depending on your settings.
Here's my favourite use of the Corrections bot (and why I actually wrote this): the a lot correction bot:
Just for testing
Want to make sure your bot is functional but don't want to start spamming tweets yet? Easy! Set dry = True in your Corrections class and Corrections won't actually update your status.