Encourages you to stop for a breath before you send each tweet.
Suffer from tweetgret? Tortured by typos? Get into online spats? Calm Twitter is here for you. It guides you through a deep breathing exercise before checking if you *really* want to send that tweet.
From the options panel, you can set your preferred breath count/rate and if you want the animation to appear for tweets, replies, and/or retweets.