Vagrant

Vagrant Documentation.
Vagrant is a tool for building and distributing development environments.

Development environments managed by Vagrant can run on local virtualized platforms such as VirtualBox or VMware, in the cloud via AWS or OpenStack, or in containers such as with Docker or raw LXC.

Vagrant provides the framework and configuration format to create and manage complete portable development environments. These development environments can live on your computer or in the cloud, and are portable between Windows, Mac OS X, and Linux.

This application can be used for offline documentation, cheatbook or reference etc.
All the credits goes to the vagrant development team for the software and this application is just for reference purpose.