# Juju

> Juju is an open source orchestration engine for deploying, integrating, and managing applications across Kubernetes, VMs, and bare metal using software operators called charms.


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## Pages in this subsection

- [Unit test suite](https://documentation.ubuntu.com/juju/3.6/contributor/reference/testing/unit-testing/unit-test-suite.md): Create structured unit test suites with distinct setup and teardown logic using util suite composition for Juju testing.

## Optional

- [Top-level llms.txt](https://documentation.ubuntu.com/juju/3.6/llms.txt): Complete documentation index.