Structural design tools offered on this site include on-line calculators, Excel spreadsheets, MicroStation V.8 Macros, and Rcolumn. The Rcolumn is free. Other software may be purchased after trying out a Demo version (first try it, then if you decide it’s what you want, buy it).
Dear Visitor, you are invited to explore this site; who knows, may be there is something that may interest you. You'll find much more information including download links and purchasing instructions on the specific pages.