- SNAP Dataset - Social Networks
- Open Connectome Project - Computational Biology
- Pathway Commons - Biological pathways
- String DB - Protein-Protein Interaction Networks
- Web Data Commons - Hyperlink Structure of the Web
- BioGRID - Gene Interaction Networks
- ICON - Index of Complex Networks
- KONECT - Graphs and some properties (e.g. bipartite, multigraph, simple)
- UF Sparse Matrix Collection - Various fields of study
- MIT Big DND - Big Dynamic Network Data. Some links are shown above.
- WSU Graph Databases - Some links are shown above
- [Protein Interaction Databases]http://proteome.wayne.edu/PIDBL.html) - Bioinformatics.