Reading Time: 3 minutes RVTools is a Windows .NET application, easy to be install which uses the VI API to collect and display informations about your vSphere virtual environments. RVTools supports ESX Server 3.5, VirtualCenter 2.5, ESX Server 3i, ESX Server 4i, VirtualCenter 4.x, ESX 4.x, VirtualCenter 5.0, VirtualCenter Appliance, ESX 5.0, VirtualCenter 5.5, ESX 5.5, VirtualCenter 6.0, ESX 6.0, VirtualCenter 6.5 and ESX 6.5, so all you can have (also legacy versions) in a datacenter. And it’s totally free. After 10 months from the last version, now it’s available the new Version 3.10 (February, 2018).