SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Mattermark - Ranking 800,000+ high growth Internet companies
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Breakout List - A list of the fastest growing startups
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.