We have compiled clearcut on Mac OS X 10.5, but it has also been tested for 10.6. Please let us know how this works for you: clearcut for mac
We have compiled clearcut for Windows. We’re pretty sure that the same executable should work for XP and Vista. Please let us know how this works for you: clearcut for windows
If you are a linux user or you want to build your own executable download the clearcut source code and follow the instruction in the README file.