SeqAn

A cross-platform and ultrafast toolkit for FASTA/Q file manipulation in Golang.

A Go library and command line utility for engineering organisms.

Pythonic access to FASTA files.

Sequence manipulation toolkit for FASTA/FASTQ files written in Nim.

Freely available tools for biological computing in Python, with included cookbook, packaging and thorough documentation. Part of the [Open Bioinformatics Foundation](http://open-bio.org/). Contains the very useful [Entrez](https://biopython.org/DIST/docs/api/Bio.Entrez-module.html) package for API access to the NCBI databases.

Ultra-fast, sensitive search and clustering suite for protein and nucleotide sequence sets.