# 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 - [Google GCE](https://documentation.ubuntu.com/juju/4.0/reference/cloud/list-of-supported-clouds/google-gce.md): Configure Google Compute Engine (GCE) cloud with Juju, including IAM permissions, service account setup, and authentication types. ## Optional - [Top-level llms.txt](https://documentation.ubuntu.com/juju/4.0/llms.txt): Complete documentation index.