====== Database ======

  * https://www.pytables.org/
  * https://pypi.python.org/pypi/sqlitedict
  * https://docs.python.org/3/library/shelve.html
  * https://github.com/pickleshare/pickleshare
  * https://github.com/erezsh/filedict
  * https://lmdb.readthedocs.io/en/release/
  * http://blitzdb.readthedocs.io/en/latest/
  * https://github.com/cloudpipe/cloudpickle

===== GraphDB =====

  * https://pypi.org/project/graphlite/