The best replacement for vmware is parallels.

The best alternatives to vmware are rated as following:
★★★★★  parallels
★★★★  virtualbox
★★★  virtual pc
★★★  citrix
★★  hyper-v
★★  xen
★★  microsoft
★  virtual server
★  hyper v
★  openstack
★  kvm
★  virtualbox performance
★  parallel
★  bootcamp
★  virtual box
★  boot camp
  parallels 6
  xenserver
  virtualbox for mac
  dual boot
  microsoft virtual server
  bootcamp which is better
  aws
  virtual iron
  rhev
  parallels for mac
  virtual pc 2007
  pearpc
  oracle vm
  parallels desktop
  virtual machine
  virtuozzo
  windows virtual pc
  virtual machine manager
  vpc
  ms virtual server
  parallel desktop
  bochs
  cisco
  microsoft virtual pc
  microsoft virtual machine
  virtual pc 2004
  zen
  citrix xen

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

Other search terms related to vmware and their ratings are:
★★★★★ san
★★★★★ ubuntu
★★★★ linux
★★★★ virtualization
★★★★ nfs
★★★★ shared storage
★★★★ mac os
★★★ openstack
★★ hyper-v
★★ gns3
★★ centos
★ mac osx
★ mountain lion
★ backup exec
★ mavericks
★ openfiler
★ virtualization technology
★ usb support
direct 3d
x
enterprise
You have in mind a companion for vmware and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of vmware in all years. Click on graph for more.
vmware
parallels
virtualbox