is the best way to keep track of who follows and unfollows you on Twitter. Through a simple and beautiful UI, you can view the latest history for your account and receive instant notifications via Growl. More features to come!
...and who stopped. Detective for Mac allows Twitter users to keep tabs on their followers. With a beautiful UI, Detective hides in the menubar and keeps an eye on your Twitter account. Ever want to know when and why you lost followers? Now you can! Future features include multiple account support, avatars, favorite and retweet notifications, and mobile apps.