Polymail - Native email app for email productivity.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
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.
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.
RingCentral Video - Live life unlimited. Free video meetings and team messaging in one app that works the way you do.