Normally, RVTools doesn’t need to be introduced: for people having VMware infrastructures to administer, RVTools is like a swiss knife. This tool is able to display a lot of information about your VMware infrastructure and allows you to export the result (in CSV or Excel). If I quote the RVTools author’s website, RVTools is able to:
[...] list information about VMs, CPU, Memory, Disks, Partitions, Network, Floppy drives, CD drives, Snapshots, VMware tools, Resource pools, Clusters, ESX hosts, HBAs, Nics, Switches, Ports, Distributed Switches, Distributed Ports, Service consoles, VM Kernels, Datastores, Multipath info and health checks. ...