Sparsely connected spiking neuron network from: Brunel, Dynamics of Sparsely Connected Networks of Excitatory and Inhibitory Spiking Neurons, Journal of Computational Neuroscience 2000, Volume 8, Issue 3, pp 183-208.

Comparing the Brunel model across implementations has started here.

See http://www.opensourcebrain.org/projects/brunel2000