# 🔑 License

Promptbook Engine is licensed under the Business Source License 1.1 (BUSL-1.1).

This license allows non-production use, personal projects, and evaluation without restrictions. 

Production use requires compliance with the license terms, including deferred open source conversion after a defined change date.

For full details, see the BUSL 1.1 specification: 

https://spdx.org/licenses/BUSL-1.1.html