pycalphad
The premium Open Source alternative to Thermo-Calc
🎯 Best for:Engineers designing new alloys through thermodynamic simulations.
What is pycalphad?
Replaces expensive CALPHAD software for phase diagram calculation. Implements the TDB file format and global optimization for phase equilibria investigations.
Tech Stack
PythonChemistry & Materials
Why pycalphad?
- • Programmatic control via Python
- • Supports standard TDB databases
- • Transparent calculation methodology
Limitations
- • Slower than compiled commercial solvers
- • Limited GUI for non-coders
- • Requires external thermodynamic databases
3/2/2026
Last Update
125
Forks
41
Issues
Other
License
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Competitor Cost
-$1,440
/ year (est. based on Thermo-Calc)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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