NaturallySpeaking in wine on Linux now works for straight dictation. version 9.0 preferred runs reasonably well. In theory, 7.3 and 8.0 also run but we need confirmation. As far as we know, professional does not run in wine yet.
Directions to install DNS 9.0 Preferred on Ubuntu using WINE
get the latest version of wine from the wine home page http://www.winehq.org/ or from the Ubuntu repository:
sudo apt-get install wine wine-dev sudo apt-get build-dep wine wine-dev (If you have a git, and can download one later than the current version, so much the better. See http://wiki.winehq.org/GitWine for instructions.)
Remove previous WINE configurations:
sudo rm -rf ~/.wine
get a copy of wine tricks for additional runtime elements
wget http://kegel.com/wine/winetricks sh winetricks fakeie6 gdiplus
copy the contents of both DNS9 disks to directory /home/yourname/DNS9
cd DNS9 wine setup
finally, click on the icon to start setup and run the program
Directions to install DNS 8 on Ubuntu using WINE
Follow DNS9 instructions. You may not need gdiplus.
After that, you should be able to run the program. It sometimes hangs, especially on the first start.
Solve a bug -- or -- find a bug and report it!
Sign up for the WINE mailing list. http://www.winehq.org/site/forums
