Zulip

Chat & Messaging

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Open source team chat with threading.

Replaces

Slack

Salesforce

Full

Sovereignty Score

74

out of 100

Jurisdictional(25%)

35

Significant foreign legal exposure risk

HQ in United States (EU adequacy decision)
No foreign parent company
Five Eyes intelligence alliance exposure
US CLOUD Act applies (US can compel data access regardless of storage location)

Ownership(20%)

90

Strong EU ownership and control

Bootstrapped (self-funded)
Funding: Self-funded, former Dropbox acquisition
Bootstrapped stage

Governance(20%)

40

Centralized control, limited community governance

Single company controls roadmap

Portability(15%)

70

Highly portable with self-host option and standard APIs

Self-hostable on your infrastructure

License(10%)

75

True open source with stable, permissive licensing

Apache-2.0 (permissive open source)

Community(10%)

50

Community metrics not yet collected

No detailed factors available for this dimension.

Quick Facts

Headquarters: United States
Ownership: Bootstrapped
License: Apache-2.0
Deployment: Self-host
Funding: Self-funded, former Dropbox acquisition