TwitSpread fully automates retweeting and reposting of Twitter status updates.
SpamPage hijacks Twitter topics. Run an army of these and shut down online dissidents.
For a sampling of tweets made using this software, click here.
Minuteman and SpamPage together make one very powerful weapon against online activism campaigns on Twitter.
*Requires that you have a working Twitter consumer key/secret pair. Consumer key/secret pairs identify your Twitter application. To create a new Twitter application, register a valid Twitter developer account and go to My Applications. You must have the latest version of Microsoft .NET to run these apps. (As of 10/1/2012 the latest version of Microsoft .NET is 4.5 which can be downloaded here.)
These apps make use of the Twitterizer .NET library built by an awesome guy called Ricky Smith. Download the latest version here.