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Find and unfollow non-followers and inactive Twitter users JustUnfollow lets you unfollow those not following you back. You can also find Twitter users who haven't tweeted in a long time and unfollow them. Why follow someone who is clearly not going to see your tweets? JustUnfollow them! Follow back those who follow you
Note: There are known issues with trying to use Tweeter Karma in conjunction with Microsoft Internet Explorer. Please make sure you're using an alternate browser. Tweeter Karma is easy to use. Step #1: Allow Tweeter Karma to access your Twitter data: Step #2: Give the button a good whack!