The OpenQuake Engine is an open source application that allows users to compute seismic hazard and seismic risk of earthquakes on a global scale. It runs on Linux, macOS and Windows, on laptops, workstations, standalone servers and multi-node clusters. DOI: 10.13117/openquake.engine
Current stable version is the OpenQuake Engine 3.11 'Wegener'. The documentation is available at https://github.com/gem/oq-engine/tree/engine-3.11#openquake-engine.