APPlyzer - Professional rankings & keywords for app developers, marketers and publishers.
Intercom on Customer Engagement - A book on how to create messages that drive engagement
Segment Sources - Load CRM, billing, and other cloud data to your Warehouse
GoVocal.AI - Harness the power of Voice and AI. Acquire, Engage and Retain Customers using Amazon Alexa and Google Assistant.
App Annie - App Annie is a marketing analytics tool available for apps of all kinds. With App Annie, you can track sales, traffic, and a variety of other factors pertinent to monitoring an app's trajectory.
AppMetrica by Yandex - Free ad tracking & full-stack app analytics for mobile apps.