What are some alternatives?
When comparing Slack for Mac and Microsoft Teams, you can also consider the following products
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.
Slack Beta - A faster and nicer Slack built on Electron
Creativity 365 - Cross-device content creation suite
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
SquidHub - SquidHub is a simple and intuitive productivity app for teams. Get the job done - for free! - Todo list, Messages, and File sharing