Download the code

For Windows there is now a special installation program that can be downloaded below. For other OS, or if you want to use OC in your own code, you can download the source code for the latest version from github as a zip file. Unziping this file will create the necessary directory structure containing the source code and Makefiles for UNIX/LINUX or MacOS. Ask your local IT guru for help if you have problems with this.

Files to download:

OpenCalphad - V 6.0

Windows installation file: OC_Setup, last updated 2/5 2020. Please report any problems installing this.

This is the last stable version of OC with facilities described in intro-OC6.pdf and in the macro manual . Graphics require a separate installation of the free GNUPLOT software. For Linux and other OS you can download the source code as a zip file.
At the github site updates and later versions of OC are available as source code for Windows and other OS.

Introductory open-access paper on OpenCalphad (pdf):

OpenCalphad - a free thermodynamic software

Lectures by Prof. Bo Sundman at TMS (pdfs):

The following lectures present some descriptions and applications of the OC software

Lecture about OpenCalphad and Lecture at Hume-Rothery Award


OpenCalphad - V 5.0

Includes Main Program Source Code, User Guide, Software Documentation and Test Files. (Latest Update 23/02/2018)
The present version has been improved in several ways, including using better libraries, bug fixes and increased speed and reliability. More details in news-oc5.pdf

OpenCalphad - V5.0


OpenCalphad - V 4.0

Includes Main Program Source Code, User Guide, Software Documentation and Test Files.
A summary of the new features of version 4.0 can be found in news-oc4.pdf

OpenCalphad - V4.0


For developers and advanced users

Developers interested in the latest developments of the code are invited to visit github site to clone or download a zip file.