| ▼Nseqan3 | The main SeqAn3 namespace |
| Nalign_cfg | A special sub namespace for the alignment configurations |
| Ncustom | A namespace for third party and standard library specialisations of SeqAn customisation points |
| Nsearch_cfg | A special sub namespace for the search configurations |
| Nview | The SeqAn3 namespace for views |
| Nstd | SeqAn specific customisations in the standard namespace |