UCSF CHIMERA has been updated
Version 1.9 of UCSF Chimera has been released.
UCSF Chimera is a highly extensible program for interactive visualization and analysis of molecular structures and related data, including density maps, supramolecular assemblies, sequence alignments, docking results, trajectories, and conformational ensembles. High-quality images and animations can be generated.
This looks to be an extensive update,
New features include
Multiple sequence alignment using Clustal Omega or MUSCLE web services. Building double-helical nucleic acids,"colorkey" command, "struts" command to reinforce structures for 3D printing, "vseries" volume series playback and processing options,more efficient save/restore of coordinates in sessions, Dynameomics amino acid rotamer library, WMV2 movie output, COLLADA export.