SeqPup is a biological sequence editor and analysis program. It includes links to network services and external analysis programs. It is usable on common computer systems, including Macintosh, MS-Windows and X-Windows.

SeqPup Features:
1. multiple sequence alignment and single sequence editing
2. read and write several sequence file formats
3. sequence feature editing, and marking in prints
4. translate dna/amino, consensus, reverse/complement, distance and such functions
5. pretty print of alignments and sequences with boxed and shaded regions

Internet sequence analysis:
* fetch sequeces using SRS keyword search
* NCBI-BLAST similarity search

The license of this software is Freeware, you can free download and free use this calculator software.