| Glyco3D | 3D structures of lectins |
| UniLectin | A knowledge base of curated and predicted lectins |
| CAZy | Carbohydrate-Active enZYmes Database |
| O-GlycBase | Database of O- and C-glycosylated proteins |
| FDA Nutrition Facts - Total Carbohydrate definition |
| GlyCosmos Diseases |
| GlyCosmos Glycolipids |
| GlyCosmos Glycoproteins |
| GlyCosmos Web portal in glycosciences |
| GlyTouCan | Glycan structure repository |
| GlycoEpitope | GlycoEpitope Database |
| Glycosyltransferases |
| KEGG GLYCAN Database |
| LectinDB | Lectin database contains structure and sequence information on plant lectins |
| Mucin Database: Mucin genes, transcripts, protein sequences and functional domains |
| GDGDB | Ontology of Genetic Diseases known to be related to Glycan Metabolism |