Skip to content

BSL license

Also called Business Source License, BUSL

What is BSL license?

A software license that makes source code publicly available but restricts production use until a specified date, after which it converts to an Open Source license.

The Business Source License (BSL) balances corporate sustainability with open-source eventualities. Code is publicly readable and free for non-production testing, but production environments require a commercial license. Crucially, the license mandates a "Change Date" (max four years), after which the code automatically transitions to a standard Open Source license (like GPL), guaranteeing users are never permanently vendor-locked.

How it relates to Orbit

Orbit is distributed under Business Source License 1.1 with a four-year change date and conversion to Apache 2.0. See What is Orbit for details.

When you would use it

You encounter BSL when evaluating open-source-adjacent infrastructure tools and must determine if your specific "production use" requires a paid commercial license.

Common operations

  • Protecting enterprise infrastructure software (like Terraform) from being resold by cloud providers.
  • Allowing community testing of proprietary code.

Related terms

Where this is taught

No learning path uses this term yet. Browse the Learning Atlas for guided sequences through related ideas.

Going deeper