Slack
slack.com
Work chat that became infrastructure
from $8.75/moFree plan
Microsoft Teams
Chat and meetings inside Microsoft 365
Free plan availableCommunicationSince 2017
from $4/moVisit microsoft.com
What Microsoft Teams is
Chat, meetings, calling and file collaboration bundled with Microsoft 365 — usually adopted because it is already paid for.
People use it to
Current offers
Free plan
Free plan, no card required
Ongoing free tier published by the vendor. Limits vary by plan.
Microsoft Teams alternatives
Other tools in communication that cover similar ground. Full comparison.