Virtualizor is a web-based control panel used for managing and deploying virtual machines (VMs). It supports a variety of hypervisors like KVM, Xen, OpenVZ, and LXC, enabling system administrators to create, manage, and monitor virtual servers efficiently. It allows for tasks such as VM creation, configuration, migration, and monitoring through a simple and intuitive interface.

Some key features of Virtualizor include:

1. Multiple Hypervisor Support: Virtualizor supports KVM, Xen, OpenVZ, and LXC, allowing admins to manage various types of VMs.

2. One-click Installation: It can be easily installed on most Linux distributions with a single script.

3. User-friendly Interface: The control panel provides a simple GUI for managing VMs, which can be useful for both experienced admins and beginners.

4. Backup and Restore: Virtualizor offers features for VM backups, snapshots, and restores, making it reliable for maintaining data.

5. Resource Monitoring: It provides real-time monitoring of resources like CPU, RAM, and storage, helping optimize system performance.

6. API & CLI: It includes a robust API and command-line interface for automation and integration with other tools.

It's widely used by hosting providers and in enterprises that need to manage large numbers of virtualized environments.