The Open Risk Taxonomy is an open source risk classification framework developed by Open Risk. The primary objective of the taxonomy is to support the development of a comprehensive and consistent set of open source risk models.
The taxonomy consists of a set of files in declarative format (currently JSON)
The taxonomy is also used as one of the organizing principles for entries in the Open Risk Manual Other risk management uses may well be possible.
You can read more about the conceptual approach to the taxonomy in the following White Paper.