Software Listings
CCP14 Available Rietveld Software - poster-talks
CCP14 Methods, Problems and Solutions
Sincris and archive Sincris
Bilbao Crystallographic Server Misc Cryst Web Software
Refinement Packages Available
Crystal.org - ALB Crystallography Home Page
Solid State Chemistry Resources UNM
Software - Crystallography Laboratory at Virginia Tech
George L. Clark X-Ray Facility X-ray software
Programs and methods in SDPD

Data Conversion
Powdll converts between various file formats and is periodically updated.
Powder 2.0 Convert various data files types.

Powder Diffraction indexing
McMaille
EXPO2013
CNR Institute of Crystallography EXPO2009 and EXPO2009 forums
Chekcell

Rietveld Refinement
GSAS-II, EXPGUI - A Graphical User Interface for GSAS, GSAS+EXPGUI on CCP14 and EXPGUI GSAS at NIST
FullProf
Jana 2006
Rietica Rietica refinement program.
CNR Institute of Crystallography EXPO2009 and EXPO2009 forums
EXPO2013 - solve crystals from powder X-ray diffraction data
Rietveld Mailing list at the ILL

Structure Visualization
Crystal Impact Diamond
Atoms for Windows

Other software
SPuDS - a program to calculate the crystal structures of perovskites.
ISOTROPY Software program to display information on space groups, irreducible representations, isotropy subgroups and phase transitions.
Calidris - Space group explorer
CMPR
PowderCell
PLATON
Carine
GULP General Utility Lattice Program
Crystallography Centre Oscail - Windows based software for single crystal and powder diffraction
Accelrys (Molecular Simulations Inc) Software and solutions for Scientists including Cerius2, CASTEP.
Cambridge Software
CASTEP info.
Powf Software
DISCUS - PDF
LAPOD