NEST is a simulation software for spiking neural network models, including large-scale neuronal networks. NEST was initially developed by Markus Diesmann and Marc-Oliver Gewaltig and is now developed and maintained by the NEST Initiative.

QuEST Global, is an engineering consulting firm, founded in 1997. They began by offering various engineering services, primarily to Aerospace & Defence and Aeroengines industries. QuEST Global Services employs over 8200 workers across 9 countries with delivery centers in the US, Singapore, UK, Germany, Italy, Spain, France, Japan, and India.