The best replacement for vdi is citrix.

The best alternatives to vdi are rated as following:
★★★★★  citrix
★★★★  vmdk
★★★★  terminal services
★★★  vhd
★★  rdp
★★  rds
★  sdi
★  terminal server
★  remote desktop
★  xendesktop
★  daas
★  ts
★  vm
★  vda
★  vxi
★  sbc
★  traditional desktops
★  vss
  session virtualization
  published desktop
  session host
  thin client
  desktop virtualization
  vmdk performance
  zdi
  zxi
  bmt

Your alternative for vdi is not listed? Suggest!
Speaking about vdi, one probably shouldn't forget about citrix.

Other search terms related to vdi and their ratings are:
★★★★★ citrix
★ remotefx
You have in mind a companion for vdi and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of vdi in all years. Click on graph for more.
vdi
citrix
vmdk