(Modified 2013 Nov 11)
UCSF Chimera
Chimera is a volumetric visualization package developed at UCSF. The download page is here. The installation instructions for Linux for version 1.8.1 are here. Briefly:
Download the binary
Change the installation binary into an executable with chmod +x chimera-installer.bin
./installer.bin
If you're not installing it as root, use a local directory to install to, e.g., /home/zing/local/chimera
This page is Lynx-enhanced