Maker Swipe File - 100+ high-performing Tweets to help you grow your audience
Narrow - Narrow helps you build a targeted audience and increase your influence on twitter.
TweetPilot - Grow a relevant & responsive following on Twitter
Tweetflick - Save, organize & find Tweets to get the most out of Twitter
TweetFavy - The Growth Hacking Tool for Twitter. Marketing automation software / Growth Hacking tool designed to grow your social media influence and attract real, targeted and engaged Twitter followers.
Narrow.io - Build a Targeted Twitter Following