| Message history search | | | | |
| Users | | | | |
| Streams | | | | |
| Topic-based threading | | | | |
| File sharing and storage | | | | |
| Voice and video calls (1:1) Via third party service like Jitsi, Zoom, etc. | | | | |
| Voice and video calls (group) Via third party service like Jitsi, Zoom, etc. | | | | |
| Integrations with other apps | | | | |
| Localized in more than N languages | | | | |
| Web app Any modern browser | | | | |
| Desktop apps Windows, Mac, Linux | | | | |
| Mobile apps iOS and Android | | | | |
| Terminal app | | | | |
| Mobile push notifications | | | | |
| Expressive formatting Code syntax highlighting, LaTeX, etc. | | | | |
| Collaborative messages Polls, todo lists | | | | |
| Extensive keyboard shortcuts | | | | |
| Move messages between streams and topics | | | | |
| Resolve topics | | | | |
| Permanent message links | | | | |
| User status and availability | | | | |
| Custom emoji | | | | |
| Read receipts | | | | |
| Typing notifications | | | | |
| Send later, mark unread, and other workflows | | | | |
| Highly configurable notification settings | | | | |
| Previews for links, images and videos | | | | |
| Linkifiers | | | | |
| Email authentication | | | | |
| Reusable invitation links | | | | |
| OAuth social logins Google, GitHub, GitLab, Apple | | | | |
| Custom profile fields | | | | |
| SSO with Azure Active Directory | | | | |
| SSO with SAML Including Okta and OneLogIn | | | | |
| SSO with OpenID Connect | | | | |
| 100+ authentication options With python-social-auth | | | | |
| AD/LDAP user sync | | | | |
| AD/LDAP group sync | | | | |
| SCIM user sync | | | | |
| Custom user groups | | | | |
| Guest users | | | | |
| Limited guest users | | | | |
| 100% open-source, auditable codebase | | | | |
| Restricted email domains | | | | |
| Custom password strength requirement | | | | |
| TLS encryption with Let's Encrypt | | | | |
| Custom SSL certificate authority | | | | |
| Firewalled hosting | | | | |
| Air-gapped hosting | | | | |
| Detailed audit log of administrative actions | | | | |
| Data encryption at rest | | | | |
| No-content push notifications | | | | |
| Automated backup tool | | | | |
| Revoke and reset any user's credentials | | | | |
| API endpoint access rate limits | | | | |
| Configurable call provider Zoom, Jitsi, BigBlueButton, etc. | | | | |
| Native GIPHY integration | | | | |
| 130+ native integations | | | | |
| 1000s of integrations though Zapier and IFTTT | | | | |
| Admin controls for all bots and integrations | | | | |
| Custom webhooks | | | | |
| REST API custom integrations | | | | |
| Chat bridges with Slack, Microsoft Teams, Matrix and others | | | | |
| AI / LLM integration | | | | |
| Private streams with shared history | | | | |
| Private streams with private history | | | | |
| Stream posting permissions | | | | |
| Permissions for editing, deleting and moving messages | | | | |
| Configure initial settings for new users | | | | |
| Configure initial streams for new users | | | | |
| Usage statistics charts | | | | |
| Custom branding | | | | |
| Message editing and deletion policies | | | | |
| Complete data exports | | | | |
| Granular data retention policies | | | | |
| Compliance exports | | | | |
| GDPR compliant deployment | | | | |
| HIPAA compliant deployment | | | | |
| Compliance customization and support | | billed hourly | billed hourly | |
| Chat support in the Zulip development community | | | | |
| Feature feedback sessions | chat only | | | |
| Email support | | | | |
| Import data from Slack, Mattermost, Gitter or Rocket.Chat | | | | |
| Import data from other chat products | | | billed hourly | |
| Implementation consulting | | billed hourly | billed hourly | |
| Training sessions | | billed hourly | billed hourly | |
| Custom feature development | | | billed hourly | |
| Realtime support for installation and upgrades | | | billed hourly | |
| Advance notice for security releases | | | | |
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