Traceviewer , a Java program that allows the reading of sequence traces from ABI or SCF files
BioEdit, a sequence alignment editor written for Windows 95/98/NT/2000/XP
Finch TV, freely available, and freely redistributable chromatogram viewer for both Window and Mac OS
Sequencher, for DNA sequence assembly and analysis
Sequence Scanner Software v1.0, a free software enables you to view, edit, print and export sequence data generated using the Applied Biosystems Genetic Analyzers