VirtualBox 5.1 is an older version of the popular open-source virtualization software developed by Oracle. Here's a brief review based on its features and changes:
You're referring to VirtualBox, not Virtuared. virtuared v5.1
Would you like more information on newer VirtualBox versions or help with a specific use case? VirtualBox 5
Keep in mind that VirtualBox 5.1 is an older version, and you may miss out on newer features, improvements, and security updates available in later versions (e.g., VirtualBox 6.x). virtuared v5.1