This is a user guide and reference for the scanning probe microscopy data processing software Gwyddion.
The latest version of this document is available on-line at http://gwyddion.net/documentation/user-guide-en/. It is available in several languages, namely English, French and Russian. All language versions are listed on-line at http://gwyddion.net/documentation/.
If you wish to refer to Gwyddion in a scientific paper please cite David Nečas, Petr Klapetek, Gwyddion: An open-source software for SPM data analysis, Cent. Eur. J. Phys. 10(1) (2012) 181-188 (instead or alongside this guide).