# 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. 2026 CC-BY-SA, Canonical Ltd. ## Pages in this subsection - [How to manage users](https://documentation.ubuntu.com/juju/3.6/howto/manage-users.md): Manage users in Juju: add, disable, enable, remove users, change passwords, and control access levels to controllers and models. ## Optional - [Top-level llms.txt](https://documentation.ubuntu.com/juju/3.6/llms.txt): Complete documentation index.