Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.

APPlyzer - Professional rankings & keywords for app developers, marketers and publishers.

Keep In touch - Keep in touch with thousands of people

Segment Sources - Load CRM, billing, and other cloud data to your Warehouse

Streak for Mobile - The CRM for Gmail

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.