Go library for the VMware vSphere API. govc is a vSphere CLI built on top of govmomi. The CLI is designed to be a user friendly CLI alternative to the GUI and well suited for automation tasks. It also acts as a test harness for the govmomi APIs and provides working examples of how to use the APIs. vcsim - A vCenter and ESXi API based simulator This package implements a vSphere Web Services (SOAP) SDK endpoint intended for testing consumers of the API. While the mock framework is written in the Go language, it can be used by any language that can talk to the vSphere API.