QSopt Version 1.0 is now available for Windows 98/ME/NT/2000/XP, RedHat Linux 8.0, and Solaris on 32-bit and 64-bit SPARC platforms. On all platforms QSopt is available as: On Windows QSopt includes a graphical user interface as well. For more information on the software see Software. To download software, right click on the link (to save as a file).