Reviewshake - Reviewshake helps you manage all your review sites from one place, automate new reviews from your customers and track review performance
Slack - A messaging app for teams who see through the Earth!
Review Monitoring - Review monitoring helps restaurants and hotels aggregate their customer reviews
9mCollab - Collaborate (efficiently) Conclude (fast) Contribute (in the knowledge base)
Podium - Podium helps your business get more customer reviews, manage customer feedback, customer interaction, and online review management from one software.
Mattermost - Mattermost is an open source alternative to Slack.