CleverTap - CleverTap offers blazing fast analytics, powerful real-time segmentation, multi-channel messaging, A/B testing and personalization in one unified solution.
HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
Apple App Analytics - Apple's very own iTunes Connect App Analytics
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Callcounter.eu - Callcounter gathers API usage data and gives you insight in trends, slow parts and errors.
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.