There are many good reasons that Martin and Brett have not made a Linux version of Hauptwerk. Not least the question of support, and it can some times be difficult to find a proper Linux driver for the audio interface one want to use, just to mention two.
In spite of that I have thought of, if it was possible to install and run the Windows version (long ago I gave up the Mac version for that purpose) of Hauptwerk on a Linux computer, but have not made a serious attempt to try it until the announcement of the Hauptwerk Free Edition.
Recently I succeeded to install Hauptwerk on a 32 bit Ubuntu Linux computer but only to run it in evaluation mode. As far as I know from googling the problem, it isn't possible yet to obtain contact from a dongle protected Windows software to the USB key on a Linux computer although a Linux Hasp driver is installed on the computer.
To install software written for Windows on a Linux computer Wine is used as a compatibility layer. The name Wine stands for Wine Is Not an Emulater, and Wine is rather effective. Not all Windows software can run this way.
Now the Hauptwerk Free Edition 3.23 is installed on a 64 bit Ubuntu Linux computer.
It is simple to install Hauptwerk on Ubuntu Linux when one have found out how.
On the Ubuntu Linux computer you install Wine if it is not already.
You right-click on the InstallHauptwerk.exe file and choose open with Wine, and the installation will begin, and you just follow the instructions on the screen as usual until the stage of installing the dongle driver, and the installation process will hang. When the installation hangs wait a minute to be sure the installation can't go further and then restart the computer, and the installation is finished. When you start Hauptwerk choose Free Edition.
Although Hauptwerk can be installed on both a 32 and 64 bit version of Ubuntu Linux, only the 32 bit version of Hauptwerk can be installed on it at the moment. Due to the limitations of the Free Edition 32 or 64 bit don't matter.
You can start Hauptwerk from Programs/Wine/Programs/Hauptwerk Virtual Pipe Organ/Hauptwerk (stand-alone) or Hauptwerk (for Midi sequencing).
If you see no desk icons, you can make them by drawing the Hauptwerk icons form the above mentioned location to an empty space on the screen, double-click on them and in the up-pupping dialogue box choose Mark as trusted. Now a double-click on one of the two icons will start Hauptwerk.
(The desk icons are not visible on the above screen shut.)
The documentation can't be opened from Help, and the PDF documentation files have to be downloaded from hauptwerk.com.
File/Shut computer down and File/Re-start computer don't work.
Otherwise everything seems to function as it shall. Spending many hours installing several sample sets (both 44.1 and 48KHz sample rate) and investigating the different functions of Hauptwerk and of the sample sets I have not found anything that don't works, and there haven't been any instability problems so far.
Also the basic build-in voicing facility in sample sets from Sonus Paradisi works.
The release of the Houptwerk Free Edition is good news for the Linux users who now use other virtual organ software for Linux or consider to do it. As far as I have seen and heard, Hauptwerk Free Edition – in spite of its limitations in comparison with the other two editions – is superior to other virtual pipe organ software for Linux in respect to sound quality, realism and to easy of use.
The next task is to make the Free Edition of Hauptwerk known in the Linux community as an option.
Users of Linux are used to no official support and to support each other.
Maybe some will upgrade to the Basic or Advanced edition later, although they at the moment then will have to migrate to a Windows or a Mac computer – who knows.
Those who will stay with free software, from a Hauptwerk point of view it is better they use free Hauptwerk than anything else.