Maker Swipe File - 100+ high-performing Tweets to help you grow your audience
Sidebird - Notion to Twitter thread.
Narrow - Narrow helps you build a targeted audience and increase your influence on twitter.
TweetNest - Build your real Twitter audience 80% faster
Tweetflick - Save, organize & find Tweets to get the most out of Twitter
TweetPilot - Grow a relevant & responsive following on Twitter