FABM is a Fortran 2003 programming framework for biogeochemical models of marine and freshwater systems.
Documentation is available at the FABM wiki.
The latest code is available from FABM's git repository. Stable releases are published with DOI on Zenodo. The latest stable version is:
FABM is further described in:
Bruggeman, J., Bolding, K., 2014. A general framework for aquatic biogeochemical models. Environmental Modelling & Software 61: 249–265. DOI: 10.1016/j.envsoft.2014.04.002