Recently published versions of Cloud-J and Solar-J are available on dryad/zenodo:

An updated cloud-overlap photolysis module for atmospheric chemistry models, UCI Cloud-J v8.0, with near-UV H2O absorption (2023) Updated May 30, 2023 on Dryad. https://doi.org/10.7280/D1Q398

Solar-J and Cloud-J models version 7.6c (2019) Updated Jun 12, 2023 on Dryad. https://doi.org/10.7280/D1096P