CHIRAL WORLD, a CD/UV database useful for organic chemists.
CDPRO, a very useful tool for protein CD deconvolution written by N. Sreerama.
K2D, a neural-network java-based web server for protein CD deconvolution by M.Andrade. Also the corresponding stand alone DOS program.
CDNN, a good stand-alone windows program for protein CD deconvolution by neural network approach (G. Bohm).
DICHROPROT, a nice window-based interface to many protein CD deconvolution programs by G.Deleage.
UMDNJ circular dichroism software links. Contains many links and programss, but the only software I suggest you to download is SVD1. The other programs are mostly the DOS versions of the list reported here.
NC2, a PC version of a guided regression routine for the analysis of RNA secondary structure. You must ask for the (free of charge) license to D.Gray.