"Zulip server and web application. Open-source team chat that helps teams stay productive and focused."
Self-host vs Slack
Self-hosting saves about $120 a year for 20 seats: SaaS $1,740 vs self-host $1,620 (server $144, backups $36, admin time $1,440). Break-even at about 19 seats at these numbers.
Admin hours start from our guess for difficulty unrated and are yours to edit. Slack price: $7.25 per user per month (Pro plan, billed annually). Pro $7.25/user/mo billed annually ($8.75 monthly); Business+ $15/user/mo billed annually ($18 monthly). Source: vendor pricing page, checked 2026-11-10.
