Reviews for iOS - Keep track of your App Store reviews
Slack - A messaging app for teams who see through the Earth!
Usage Analytics in appFigures - Track usage for your app along side downloads, ranks & more
9mCollab - Collaborate (efficiently) Conclude (fast) Contribute (in the knowledge base)
SurveyMonkey Intelligence - Usage and download metrics for all mobile apps
Mattermost - Mattermost is an open source alternative to Slack.