Team chat
Zulip
Threaded team chat that stays readable after a week away.
open source self-hostable Kandra Labs (Zulip) · USTopic-based conversations; self-host for free or use the US-hosted cloud.
Website ↗ Source ↗ Plan “Team chat” with it
How you can run it
| Way | Where the data lives | Price basis | Verdict |
|---|---|---|---|
| Host it myself | your own server or hardware | free | green — You run it yourself: no data leaves your own infrastructure. |
| Hosted outside Europe | servers outside Europe | ≈ €7/mo per seat | red — Hosted outside Europe: your data sits under non-European jurisdiction. |
Facts
| Company / project | Kandra Labs (Zulip) (US) |
|---|---|
| Licence | Apache-2.0 |
| Self-hosting footprint | 2048 MB RAM · 1 vCPU · 10 GB — small deployment: a household or a team of up to ~20 people |
| Commonly replaces | Slack |
| Upstream (awesome-selfhosted-data) | 25,828 stars · updated 2026-09-03 · Python |
| Provenance | curated, verified 2026-09-04 |
Machine-readable: /api/tools/zulip.json. Something wrong? Tell us.