Unfollowers.me lets you see who has unfollowed you on twitter. We use optional email or tweet notifications to notify you if someone has unfollowed you.
"Welcome to fllwrs, the Twitter follower tracker. Would you like to see a record of who follows and unfollows you every day?
Would you like to get notified when someone unfollows you?
Use fllwrs to monitor changes in your Twitter followers over time and keep a history of followers that have been lost or added."
Basically, it's a Flash application that fetches your friends and followers from Twitter when you click the "Whack!" button, then displays them for you, letting you quickly paginate through them. By default, the list contains all your friends and followers and is sorted by last update, showing those who most recently updated first. You can sort the list alphabetically either ascending or descending by Twitter ID. You can filter the list in several ways: only friends or only followers, all friends or all followers, and mutual friends.
Get fully manageable page with all friends, followers with avatars, where You can do several bulk actions as bulk follow, bulk unfollow, bulk block. Very handy.
"You are signed in as Luke1946
We are running your scan right now. We'll DM you when your report is ready.
(We'll make you follow @TheTwitCleaner so we can DM you. Feel free to unfollow after)
Rerun your report"