The best replacement for rocketdock is objectdock.

The best alternatives to rocketdock are rated as following:
★★★★★  objectdock
★★★★  xwindows dock
★★★  stardock
★★  rk launcher
★  nexus dock
★  objectdock which is better
★  object dock
  rainmeter
  dell dock
  circle dock
  fences

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

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



Google Trends

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rocketdock
objectdock
xwindows dock