pymol - PyMOL is a powerful and comprehensive molecular visualization product for rendering and animating...
SnapGene Viewer - SnapGene offers the fastest and easiest way to plan, visualize, and document DNA cloning and PCR. You can easily annotate features and design primers.
Jmol - Jmol is a free, open source molecule viewer for students, educators, and researchers in chemistry...
BioEdit - Biological sequence alignment editor
UCSF Chimera - UCSF Chimera is a highly extensible program for interactive visualization and analysis of molecular...
UGENE - UGENE is free open-source cross-platform bioinformatics software