Why should I use ORE instead of (or what is the difference to) other open source Risk Engines (e.g. : http://www.openriskcalculator.com/).
ORE is unique in that that it is based on the wealth of methods provided by QuantLib, a peer reviewed pricing library that has evolved over 15 years. We try to avoid reinventing the wheel where possible. ORE is written in C++ with both model validation and production environemts in mind. ORE comes with a user guide, tests and examples, and the sponsor is committed to grow ORE quickly into Inflation, Credit, Equity and Commodity space.