mesa
The premium Open Source alternative to STAREVOL
🎯 Best for:Theorists modeling the internal structure and evolution of stars.
What is mesa?
Replaces closed-source stellar evolution codes with a modular Fortran-based framework. It supports wide-ranging physical conditions and coupled nuclear reaction networks.
Tech Stack
FortranPhysics & Astronomy
Why mesa?
- • Modular physics
- • Large community
- • High fidelity
Limitations
- • Fortran-based
- • Long compile times
- • Complex configuration
3/2/2026
Last Update
61
Forks
122
Issues
LGPL-3.0
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to mesa instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on STAREVOL)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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