The FactSage Downloads

FactSage™ combines the ease of use of FACT-Win and the powerful calculational routines of ChemSage in a new user-friendly Windows™ based tool for the application of Computational Thermochemistry in a wide range of fields.

* By clicking on the submit button in the form above, you agree that you have accepted the Privacy Policy of GTT-Technologies. Please note that all downloads and download attempts of FactSage software will be logged. We are committed to ensure that the information you provide us via the FactSage Update Download submission form is protected in line with the requirements of the General Data Protection Regulation (GDPR – EU 2016/679). Our download servers are located in Germany and collect no personal data other than full name, email and IP address. We are dedicated to safeguarding these data and have therefore implemented a consistent level of information security as well as technical and organisational measures to comply with the provisions of the GDPR directive. By submitting a download request, you give us permission to collect and process your data accordingly.

Please note: In order to download any of the FactSage Updates packages listed above, you’ll need to have the details on hand that were sent out by email to all users entitled to the update. If you don’t have these details, but believe that you should have received them, please first check with the main FactSage contact person at your site, then, if necessary, please contact us by visiting our contact page here.


  • The Calphad Article on FactSage
    C. W. Bale, E. Bélisle, P. Chartrand, S. A. Decterov, G. Eriksson, A.E. Gheribi, K. Hack, I. H. Jung, Y. B. Kang, J. Melançon, A. D. Pelton, S. Petersen, C. Robelin. J. Sangster, P. Spencer and M-A. Van Ende, FactSage Thermochemical Software and Databases – 2010 – 2016, Calphad, vol. 54, pp 35-53, 2016
  • Demo-Version of FactSage
    We offer a free demonstration version of FactSage, limited to three chemical elements. Please check http://www.factsage.com/FactSageEdu_Info.htm.