ntseq
Nucleotide sequence manipulation and analysis library
ncbi-sequence-retriever
A light weighted tool to retrieve protein or nucleotide sequences based on list of ACCESSION ids from NCBI protein and nuccore database
origenes
Nucleotide sequence manipulation tools
nt-seq-ts
Nucleotide sequence manipulation and analysis library
bioinformatics-hub
an open source bioinformatics package for retrieving, processing and analyzing the sequences and structures of biomolecules, such as proteins and nucleotides.