VMD - Visual Molecular Dynamics
Pymol: A molecular visualization system on an open source foundation, maintained and distributed by Schrödinger
UCSF Chimera: is a highly extensible program for interactive visualization and analysis of molecular structures
YASARA - Yet Another Scientific Artificial Reality Application
Coot (Crystallographic Object-Oriented Toolkit)
Jmol: un visor Java de código abierto para estructuras químicas en tres dimensiones
MolviZ.Org -Molecular Visualization Resources
OFF-LINE:
BASS WebSub Computer-Integrated Systems for Microscopy and Manipulation (CISMM) is an NIH National Research Resource sponsored by NIBIB that provides visualization and analysis software for biomedical images