Do I have to pay for slack?

Related questions

1. Are slack channels public?
2. Can you use slack for free?
3. What is Microsoft slack?
4. Are discord and slack related?
5. Who owns slack?
6. Are slack channels private?
7. How much is slack?
8. Is Slack encrypted?
9. Is Slack secure?
10. How much revenue does Slack have?

Tags

1. #maximum
2. #integrations
3. #unlimited
4. #messages
5. #slack
6. #month
7. #message
8. #choice
9. #custom
10. #three
11. #party
12. #restricted
13. #recent
14. #standard
15. #tiers
16. #third
17. #buyers
18. #searches