Presupernova progenitors
Equation of State
Hempel EOS
https://astro.physik.unibas.ch/en/people/matthias-hempel/equations-of-state/
O2CL
https://neutronstars.utk.edu/code/o2scl/eos/html/index.html
Others
Stellar mass and radius distribution
https://github.com/tenoto/stellar_mass_and_radius