Are you looking for RecalOffline? For some reason it can be hard to find.
Some person I ran into at this week's conferences has a link set up for downloading three separate versions.
If you aren't aware, this allows you to take data acquired on a Thermo FTICR or Orbitrap and apply a recalibration factor. It can be quite slow for today's files, but sometimes it's a lifesaver.
Our mysterious benefactor put up separate links for: