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Open-source team chat with topic-based threading.
Zulip is an open-source team collaboration and chat application known for its distinctive topic-based threading model. Conversations are organized into streams (channels) and topics, so teams can follow many discussions asynchronously without losing context, blending the immediacy of chat with the organization of email. It supports integrations, message formatting, search, and is popular with open-source communities, remote teams, and organizations that value async communication. Zulip can be self-hosted for free or used as Zulip Cloud, which offers a free tier plus Standard and Plus plans priced per user.
Pricing Model
FREEMIUM
Starting Price
$7/mo
Free Options
Free version, Free trial
For small teams
Per user per month
Free, open source
| Feature | Free (Cloud) | Standard Popular | Self-Hosted |
|---|---|---|---|
| Unlimited users | — | — | |
| 10,000 messages of search history | — | — | |
| Core integrations | — | — | |
| Community support | — | — | |
| Full message history | — | — | |
| SAML SSO option | — | — | |
| Custom emoji & branding | — | — | |
| Priority support | — | — | |
| Full Zulip server | — | — | |
| Unlimited everything | — | — | |
| On-premise control | — | — | |
| Community or paid support | — | — |
Other
DevOps
Communication
Missing an integration?
API Types
SDK Availability
Verify SDK availability in vendor's documentation.
Developer Features
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Compliance Standards
SOC 2 Type II
EnterpriseISO 27001
EnterpriseGDPR Compliant
GlobalHIPAA
HealthcarePCI DSS
FinanceCCPA
PrivacyFedRAMP
GovernmentCSA STAR
CloudDeployment & Data
Data Residency Options
Verify with vendor for your specific region requirements.
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