Licence and warranty

AceMQ for Java is Apache License 2.0. You may use it in production, commercially, without asking and without paying.

No warranty

The libraries are provided "as is", without warranties or conditions of any kind, and the authors and contributors accept no liability for damages arising from their use.

That is not a notice added here for comfort — it is section 7 and section 8 of the licence, and it is the same footing as every other Apache-licensed dependency already running in your systems.

Practically, it means the same thing it means for any open-source library you depend on: test it against your workload before you rely on it. The integration suite runs against real RabbitMQ 4.x and 3.13 on every commit, and what it covers is stated plainly in the documentation — including the parts that are not built yet.

If you need more than a licence gives you

Warranties, indemnity, response times and someone accountable come from a contract, not from a licence. That is what AceMQ Enterprise support is for: architecture review, production readiness, TLS and permission design, and incident response.

The libraries are complete and free to use without it, and are not crippled to sell it.

Trademarks

The licence grants no trademark rights (section 6).

RabbitMQ is a trademark of Broadcom Inc. and/or its subsidiaries. AceMQ is an independent project, is not affiliated with, endorsed by or sponsored by Broadcom, and references to RabbitMQ describe compatibility only.

AMQP is an open standard maintained by OASIS.

Contributions

Contributions are accepted under the same licence, per section 5: anything you deliberately submit for inclusion is licensed to the project under Apache-2.0 unless you state otherwise.