Auto ReTweet Events, Control Frequency of updates on your Twitter page. You can stop it at any time. Basically it is an event management tool. Text message and Direct messages sent to any users that confirm on guestlist or rsvp prior to event. FREE

For a service that is remarkably simple, Twitter is often difficult for new users to understand and to quickly turn into something useful. In fact, the simplicity of Twitter can actually be a barrier in the beginning, because there's not much to help a new user get started. So, we've put together this guide, which will help you understand the basic jargon of Twitter, find a good set of Twitter add-ons to streamline and strengthen your Twitter experience, and give you a list of 100 technology experts who are active on Twitter and are worth following.

lets you view Twitter as someone else, with all the Tweets from the people he/she follows. For example you can enter Oprah and see her Twitter stream the way she sees it.

Twitter has become an incredible tool not just for communication, but for improving your life. Anyone can use it to expand their social circle, promote their side business, keep their coursework organized, and more. Whether you want to achieve your Twitter goals, or just use it as a tool to achieve others, these tools will help you get there.

This is a handy tool as I can create lists for workshops to get teachers to follow other teachers quick.

CoTweet allows multiple users to tweet from a single account or even from multiple accounts. You can manage up to six Twitter accounts from a single CoTweet account.