Productivity·Free upgradeAbsolutely free
Slack for Nonprofits
Upgraded Pro plan for teams under 250 members; deep discounts on Enterprise.
- Cost
- Absolutely free core offer (after eligibility)
- Resource kind
- Vendor nonprofit plan
- Verification
- 501c3_letter
- Intermediary
- Direct vendor / no broker token
- Last verified
- 2026-08-09 · active
- Seat limit
- 250