from https://sassie-web.chem.utk.edu/docs/sassie_docs.html
The purpose of this document is for the continued development and use of the program suite, SASSIE, which is used to create atomistic models of molecular systems and also to compare scattering data from these models directly to experimental data.
So, what does it do? The core ability of SASSIE is to generate and manipulate large numbers of structures and to calculate the SANS, SAXS, and neutron reflectivity profiles from atomistic structures.
SASSIE is modular by design. Users can use any or all modules to fit their own workflow. Structures can be generated using our simulation modules or can be imported from all molecular modeling and simluation packages. Modules to calculate scattering from structures and analysis of ensembles of scattering data can be applied regardless of the source of the structures. Likewise, structures generated within SASSIE can be exported for more extensive simulation and or analysis using other software.
There are two ways to use the software.
SASSIE: Stand-alone GUI: Once installed on your system (Mac or Linux) you run the program on your computing resources. This can be installed on clusters. The release version of this code is updated quarterly. Not all graphical aspects, such as molecular visualization, are implemented in the stand-alone version. The current stand-alone GUI can be downloaded from http://www.smallangles.net/sassie/trac.
SASSIE-web: One can access the full version of SASSIE on our server machine at http://sassie-web.chem.utk.edu/sassie2. By creating an account on our server, each user will have a persistent account and can re-login any time in the future and maintain access to your user filesystem. This software on this version is updated frequently and is most likely up to date.
In addition to this documentation there are various tutorials available:
for protein structural dynamics analysis: Prody and MODE-TASK
prody http://prody.csb.pitt.edu/index.html
MODE-TASK https://github.com/RUBi-ZA/MODE-TASK