# External links Facilities: * [Services – The Blackett Computing Facility](https://www.blackett.manchester.ac.uk/services/) * [NERSC Documentation](https://docs.nersc.gov/) Grid computing: * [VOMS Documentation](https://italiangrid.github.io/voms/documentation.html) * [VOMS Admin Server](https://voms.gridpp.ac.uk:8443/) * [HTCondor Manual](https://htcondor.readthedocs.io/en/latest/index.html) * [GFAL2 · Data Management Clients Documentation](https://dmc-docs.web.cern.ch/dmc-docs/gfal2/gfal2.html) * [Welcome to CernVM-FS’s documentation!](https://cvmfs.readthedocs.io/en/stable/#) * [CVMFS - GridPP Wiki](https://www.gridpp.ac.uk/wiki/CVMFS) Documentation: * [Welcome — Sphinx documentation](https://www.sphinx-doc.org/en/master/#) * [MyST Overview](https://myst-parser.readthedocs.io/en/latest/#) * [Semantic Versioning](https://semver.org/)