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Download ATSAS

Authentication required

ATSAS 3.2.1 is installed as a package where all programs, libraries and manuals are included. Academic users can download Windows, Linux and Mac installers for free. After a simple registration/authentication you will find installation packages for:

Windows 10 and 11
macOS 12 (Monterey) and 13 (Ventura)
Ubuntu 20 and 22
Red Hat/CentOS 7 and 8
Debian 11

All non-commercial ATSAS users are expected to register for downloading the software; this registration will also hold for the ATSAS online. The registration is extremely simple, you just give an email address and receive to this email the password for the ATSAS use. The emails are required for statistical purposes only.

Academic ATSAS download Authentication required
Don't have an account yet?
Not an academic user? Please contact BIOSAXS GmbH
How to install ATSAS
Questions and feedback

If you use ATSAS please cite:
Manalastas-Cantos, K., Konarev, P.V., Hajizadeh, N.R., Kikhney, A.G., Petoukhov, M.V., Molodenskiy, D.S., Panjkovich, A., Mertens, H.D.T., Gruzinov, A., Borges, C., Jeffries, C.M., Svergun, D.I., Franke, D. (2021)
ATSAS 3.0: expanded functionality and new tools for small-angle scattering data analysis J. Appl. Cryst. 54 DOI

Download ATSAS 4

ATSAS 4 is distributed by BioSAXS GmbH. Visit their website for more information and to learn how to get access to the software.

Last modified: December 9, 2024