For information regarding installation, compilation, configuration, etc., see the "Quick start" page.
For information about how to contribute to OpenMolcas see "Development".
For documenting keyword syntax and validating input files, refer to "XML syntax documentation".
About modernizing the OpenMolcas to current standards: "Progress".
The source code documentation built with doxygen can be found at https://molcas.gitlab.io/OpenMolcas/doxygen/index.xhtml.