Online Dictionary of Crystallography
- Wiki established by the IUCr Commission on Crystallographic Nomenclature for developing content for an online dictionary resource of crystallographic terms.
- http://reference.iucr.org/dictionary/Main_Page

Denver X-ray Conference
- Provides a unique mixture of sessions on training, education, and applications and papers containing details about state-of-the-art techniques and future developments in X-ray analysis.
- http://www.dxcicdd.com/

Symmation
- Accurate 3D medical/molecular/scientific animations and illustrations.
- http://www.symmation.com/

Protein Crystallography
- Focused news, events, interviews, suppliers information and jobs related to protein crystallography.
- http://www.proteincrystallography.com

Crystal Lattice Structures
- A list of the possible crystal lattice structures and coordinates of atoms in such crystals.
- http://cst-www.nrl.navy.mil/lattice/

Crystal Research and Technology
- International journal examining all aspects of research within experimental, industrial and theoretical crystallography.
- http://www.wiley-vch.de/publish/en/journals/alphabeticIndex/2223/

World Database of Crystallographers
- The IUCr free searchable online Directory of crystallographers and of other scientists employing crystallographic methods. Some functions require an IUCr password.
- http://wdc.iucr.org/

Crystallography World Wide
- WEB directory by IUCr.
- http://www.iucr.org/cww-top/crystal.index.html

Crystal Structures
- VRML crystal structures at the Institute Laue - Langevin.
- http://www.ill.fr/dif/3D-crystals/