Zulip
v11.6
Self-hosted team chat with threaded conversations and topic-based messaging
What's included
- Zulip 11.6 (fully configured, ready to use)
- Built-in nginx with auto-HTTPS via Certbot (for domain names)
- PostgreSQL, RabbitMQ, Redis, memcached (all bundled)
- Topic-based threading for organized conversations
After install
- Open the realm creation link shown at the end of install to create your organization
- The first user to register with the admin email becomes the owner
- Open registration is disabled -- invite users from the admin panel
- Custom domain: ZULIP_HOST=chat.example.com
Supported Operating Systems
Ubuntu 24Debian 12Debian 13
Requirements
- RAM
- 2GB minimum
- Disk
- 10GB minimum
Configuration
| Variable | Default | Description |
|---|---|---|
| ZULIP_HOST | server hostname | Domain name or IP. Domains get auto-HTTPS via Certbot. |
| ZULIP_ADMIN_EMAIL | admin@hostname | Email for the first admin account and Certbot |
| ZULIP_ORG_NAME | My Organization | Organization name shown in Zulip |
3 installsOfficial website →
Changelog
v1.0.02026-04-02
- Initial release with Zulip's official installer
- Auto-HTTPS via Certbot for domain names
- Self-signed cert for IPs and internal hostnames
- Open registration disabled by default