- CCP14 X-ray Free Software
- Crystallography Open Database
- Crystal Structure Databases and Visualization Software
- Inorganic Crystal Structure Database (ICSD for WWW)
- International Centre for Diffraction Data® (ICDD®) Home Page XRD Database
- NIST X-Ray Form Factors, Attenuation, and Scattering Tables
- Rock Database
- Table of Space Group Symbols
- Wyckoff Positions
- X-ray Absorption Edges
- X-Ray Data Booklet
