GTT-TECHNOLOGIES
We help you navigate in chemical space.
Upcoming Courses: FactSage: to be announced soon | Calphad Optimizer: September 2–4, 2025 | ChemApp for Python: self-study online courses
NEWS
The new FactSage 8.4 is here, packed with improved databases, smart simulation tools, and new features!
Did you miss the 2025 Users' Meeting? Don't worry! All the recordings are now available on our YouTube channel.
What a meeting! Great talks, big ideas, and plenty of good coffee. Thank you to everyone who joined and contributed!

We are proud to announce that Florian Tang is the recipient of this year's CALPHAD Young Leader Award! Well deserved, Flo!
THE GTT UNIVERSE
SOFTWARE
Use our software to analyze a wide variety of technical problems - in metallurgy, energy conversion, materials design or materials informatics. Increase your understanding to improve your product and your productivity!
DATA
The principle aim of our thermochemical data supply service is to satisfy our customers' needs for consistent, carefully assessed data of known quality in an easily usable form.