Twitter One Click Block - Add a block button for a simple one click blocking.
Twitter Block Chain - Chrome extension to block all followers/following on a page
Mirror Block - Mirror Block is a browser extension that allows you to block users on Twitter.
FollowerAudit - FollowerAudit is a platform that allows users to check their fake followers and track the follower growth of any Twitter Account.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Blockistan - Blocklists for Twitter. Auto block thousands of users at once