Facebook Analytics - Facebook's new analytics app on iOS and Android
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Facebook Design - Resources for Designers from the Facebook Design team
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Buffer Analyze - Buffer’s Facebook and Instagram analytics and reporting tool
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.