Rarog - Rarog provides a solution for hypertargeted Twitter campaigns.
Hypegrowth - Hypegrowth is a personal Twitter assistant that allows to grow Twitter audience.
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
Jooicer - Superpowers to boost your Twitter Growth
Twitter Amplify - Twitter Amplify enables media companies and brands to capture TV content and distribute it to fans and audiences across Twitter.
Toolset.co - Twitter growth made easy, a bunch of tools to easily manage and grow your Twitter account.