Biopython

Biopython is a comprehensive collection of freely available Python tools for computational molecular biology and bioinformatics. It provides functionality for common tasks such as parsing various bioinformatics file formats (e.g., FASTA, GenBank, BLAST), interacting with online biological databases (e.g., NCBI Entrez), working with sequences and alignments, and structural bioinformatics. Currently at version 1.87, it is actively maintained with several releases per year.