The zip package includes the code (Python 3.2) of the GO+ model of forest functioning and growth developed at INRAE research unit ISPA (Bordeaux research centre). A manual, list of variables and one set of example files and one script are provided. This version corresponds to the description available in the Geoscientific Model Development article and supplementary material and also developed at https://github.com/DenisLOUSTAU/GOplus_model_INRAE. The github GO+ repository includes additional examples and files for testing the code.