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YoruFukurou - YoruFukurou (NightOwl) is a Twitter client for Mac OS X, designed for Twitter addicts.
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Tweeticide - Tweeticide – Delete All Tweets is a commercial app that enables you to delete all of your tweets at once.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.