TUNS (Twitter Unfollower Notification Service) allow you to Keep track of your unfollowers.
Unfollow tool for Twitter is a super light-weight android utility app that lets you find and unfollow users who do not follow you back. App is tailored for businesses who want to grow their followers on Twitter.
It is 100% free and contains no ads. Show us some love by sharing and reviewing :)
Whodis is a contextual note-taking tool for Twitter, inspired by the notes feature formerly available on LinkedIn.