SAP is an application package developed to publically provide sequence analysis tools at one platform. The ultimate goal of the SAP is to provide online facility of DNA/RNA/Protein sequence analysis tool required by researchers. The analysis of biological information at these three levels requires a lot of package tools simultaneously for the exact interpretation of huge amount of genome sequence data. The functionalities included in package are; calculating number and percentage of nucleotide bases and aminoacids, AT, GC contents, drawing pie and bar charts, transcription, translation, constructing complementary and reverse complementary sequences, performing alignments, molecular weight of protein, isoelectric point, absorbance factor. SAP is freely available at http://bioanalysis.comli.com/.