This list of sequence alignment software is a compilation of software tools and web portals used in pairwise sequence alignment and multiple sequence alignment. See structural alignment software for structural alignment of proteins.
<small><nowiki>*</nowiki>Sequence type: protein or nucleotide</small>
<small><nowiki>*</nowiki>Sequence type: protein or nucleotide <nowiki>**</nowiki>Alignment type: local or global</small>
<small><nowiki>*</nowiki>Sequence type: protein or nucleotide. <nowiki>**</nowiki>Alignment type: local or global</small>
<small><nowiki>*</nowiki>Sequence type: protein or nucleotide</small> <br/>
<small><nowiki>*</nowiki>Sequence type: protein or nucleotide</small> <br/>
Please see List of alignment visualization software.