Dependencies on proprietary Datomic dev-local and pro systems are now removed from the distributed core molecule module. This allows using Molecule with Datomic free without having to download other free but proprietary Datomic dev-tools and pro database.
Tests in the non-distributed moleculeTests module still depend on dev-local and pro to ensure that all Datomic systems work with Molecule.
The sample projects in the molecule-samples repo show how to use Molecule with any Datomic database system.