Signal Protocol

Licensing

Compare AGPL use with Startup, Growth, and Enterprise commercial rights.

The complete SDK is intended to be available under AGPL or a separate commercial agreement.

LicenseIntended useFulfillment
CommunityProducts that can comply with AGPLv3No fee
Signal Protocol — Startup Commercial LicenseOne proprietary product and legal entityPublic self-service, $5,000/year
Signal Protocol — Growth Commercial LicenseConfigurable product scope, support, and servicesQuote and signed order form, from $20,000/year
Signal Protocol — Enterprise / OEM Commercial LicensePortfolio, redistribution, OEM, security, and SLA termsNegotiated MSA or order form, from $50,000/year

The current published commercial profiles license signal-protocol-js. Any future component family, including a profile such as signal-protocol-client-sdks-v1, must be granted explicitly by the controlling agreement.

The signed agreement controls

This documentation summarizes the proposed model and is not legal advice. The repository license or executed commercial agreement controls the actual grant.

See pricing or purchase Startup.