ACE (Atmospheric Chemical Equilibrium) computes the chemical equilibrium composition for a given elemental composition and pressure-temperature profile. The code, written in Fortran, computes the chemical equilibrium composition in atmospheres of AGB stars, brown dwarfs, and exoplanets.
https://scixplorer.org/abs/2020A%26A...637A..59A , https://scixplorer.org/abs/2025A%26A...699A.306A