The following web sites provide structures and data in the SD file format which can be loaded into Leadscope.
| Analyticon | www.ac-discovery.com |
| Asinex | www.asinex.com |
| Aurora | www-och.uni-graz.at/~aurora/ |
| Bionet | www.keyorganics.ltd.uk |
| ChemDiv | www.chemdiv.com |
| Chembridge | www.chembridge.com |
| Enamine | www.enamine.relc.com |
| IBS | www.ibscreen.com |
| MCL | www.mosmedchemlabs.com |
| MDPI | www.mdpi.org |
| Maybridge | www.maybridge.com |
| Specs | www.specs.net |
| TimTec | www.timtec.net |