ACT-RBOT + MRS is a cognitive agent-based social
simulation toolkit (RBOT+MRS) and production
system based on ACT-R for modelling single actor
cognitive experiments (RBOT) and multiple actors
in a simulated (semiotic) world (RBOT + MRS).
One step check out is a magento extension. It's a simple way for the customers to complete the checkout.
The classic snake game with nurses.