The best replacement for radmin is dameware.

The best alternatives to radmin are rated as following:
★★★★★  dameware
★★★★★  vnc
★★★★  ultravnc
★★★  teamviewer
★★★  realvnc
★★  remote desktop
★★  радмин
★★  pcanywhere
★  tightvnc
★  netop
  netsupport
  real vnc
  pc anywhere

Your alternative for radmin is not listed? Suggest!
Speaking about radmin, one probably shouldn't forget about remote administrator.

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



Google Trends

Scale is based on the average worldwide traffic of radmin in all years. Click on graph for more.
radmin
dameware
vnc