Slack

Free tier

Bandwidth: n/a
Builds: n/a
Requests: 90-day message & file history, 10 integrations, 5 GB storage
Custom domains: n/a
Note: The default workplace chat. Slack Free is free forever with message & file history capped at 90 days (changed from the old 10k-message limit in Aug 2024), up to 10 app integrations, 5 GB total file storage, 1:1 and group audio/video huddles, and unlimited channels; paid Pro from ~$7/user/mo adds unlimited history, unlimited integrations, and Slack Connect.

Paid plans start at $7/mo.

★ 12/100 free-tier generosity.

Last verified 2025-09-01.