Hypegrowth - Hypegrowth is a personal Twitter assistant that allows to grow Twitter audience.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Jooicer - Superpowers to boost your Twitter Growth
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Toolset.co - Twitter growth made easy, a bunch of tools to easily manage and grow your Twitter account.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.