- BDP - Barcode of Life Data Portal
- BOLD - Barcodes of Life Database
- Clustal – Multiple Sequence Alignment
- DOGS - Database Of Genome Sizes
- ExPASy - Bioinformatics Resource Portal
- FigTree – Graphical viewer of phylogenetic trees
- GOLD - Genomes OnLine Database
- InterPro - Integrated Protein database
- InterProScan - InterPro sequence search
- PDB - Protein Data Bank
- Pfam - Protein families database
- PHYLIP – Phylogeny Inference Package
- Phylogeny.fr - Robust Phylogenetic Analysis For The Non-Specialist
- The NCBI Taxonomy
- UniProtKB - Protein knowledgebase