Hi all,
We have released an alpha version of ChimeraX.  While it still lacks many features, it has enough useful new and fun features that you might want to take it out for a spin even if it doesn’t prove ready to be your day-to-day workhorse yet.  Hope you like it!

Home page: http://www.cgl.ucsf.edu/chimerax/

Download page: http://www.cgl.ucsf.edu/chimerax/download.html

—Eric

Eric Pettersen
UCSF Computer Graphics Lab