2. QcengineQuantum chemistry program executor and IO standardizer (QCSchema).
3. QcportalA client interface to the QCArchive Project (read-only image of QCFractal)
4. MIRPMolSSI Integral Reference Project
5. QCFractalA distributed compute and database platform for quantum chemistry.
6. covidMolSSI SARS-CoV-2 Biomolecular Simulation Data and Algorithm Store
7. QCElementalPeriodic table, physical constants, and molecule parsing for quantum chemistry.