Slack
Free keeps 90-day history; Pro unlimited history and guests.
Open the official site- Official site
- https://slack.com/
- Account
- Workspace required.
- Free tier
- 10 integrations, basic search.
- NextNav demo
- Optional API health bot—not enabled by default.
Fills productivity group with collab tools.
Sources
- Pricing, seen 2026-10-24
Last checked 2026-10-24