NCBI Datasets
Programmatic access to NCBI genomes and sequences
NCBI is the US hub for biological sequence data — GenBank, RefSeq, SRA, PubMed and more. NCBI Datasets modernizes access with a command-line tool and REST API for bulk retrieval.
Example
1datasets download genome accession GCF_000001405.40 --include genome,gff3
Pair with Entrez utilities for literature and cross-database queries.
