Today I gave the beta version of the PlanMaker spreadsheet for Linux a
spin. As far as I tried it ran perfectly on the Linux emulation. I have
put a screenshot online at:

http://www.bsd-box.nl/screenshots/netbsd-planmaker.jpg

The PlanMaker page (and the beta) can be found at:

http://www.softmaker.de/pml_en.htm

-- Daniel