Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
Slack - A messaging app for teams who see through the Earth!
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Creativity 365 - Cross-device content creation suite
SquidHub - SquidHub is a simple and intuitive productivity app for teams. Get the job done - for free! - Todo list, Messages, and File sharing