Geneious - Geneious combines all the major DNA and protein sequence analysis tools into one revolutionary...
BioEdit - Biological sequence alignment editor
Chromas - Two software applications are available from Technelysium: Chromas and ChromasPro.
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.
Ridom TraceEdi - Ridom TraceEdit is a cross-platform graphical DNA trace viewer and editor.
UGENE - UGENE is free open-source cross-platform bioinformatics software