"Botometer (formerly BotOrNot) checks the activity of a Twitter account and gives it a score based on how likely the account is to be a bot. Higher scores are more bot-like. Use of this service requires Twitter authentication and permissions."

"Read Twitter threads with ease Thread Reader helps you unroll a full Twitter thread on a dedicated beautifully designed page to allow an easy read of the whole story."

"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."

"Search the people you follow on Twitter"

"The most powerful Twitter tool for real-time tracking, organizing, and engagement."

"SocialRank is the easiest way to identify, organize, and manage your followers on Twitter."

"Real-time Information Discovery and Delivery Dataminr transforms the Twitter stream into actionable alerts, identifying the most relevant information in real-time for clients in Finance, News and the Public Sector."

"Measure and boost your impact on Twitter."

"A better way to easily publish content from any RSS feed to Twitter with beautiful imagery in eac"

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"Followerwonk helps you explore and grow your social graph. Dig deeper into Twitter analytics: Who are your followers? Where are they located? When do they tweet?"

"Tweet private links that can only be viewed by the people you mention."

"Chadderim keeps your information safe by using encryption. When you send a message, only the recipient can see it - everyone else, see only garbled, encrypted text. We do not have the key to unlock your message, so no one can read or track your messages."