| Link | Description |
| BLAST | Algorithm for pairwise similarity search. |
| JALVIEW | Program for editing, visualization and analysis of multiple sequence alignment. |
| Jmol | An open-source Java viewer for chemical structures in 3D. |
| The UniProt Consortium | The Universal Protein Resource (UniProt) is a comprehensive resource for protein sequence and annotation data. |
| DSSP | The DSSP program was designed by Wolfgang Kabsch and Chris Sander to standardize secondary structure assignment. |
| Open Babel | It's an open, collaborative project allowing anyone to search, convert, analyze, or store data from molecular modeling, chemistry, solid-state materials, biochemistry, or related areas. |