wii simulator

CertExams.com simulator provides network simulator for Juniper (TM) routers.

An interactive digital logic simulator to be used for teaching of logic design or testing simple digital designs.

GMAT Exam Simulator - Complete with all three sections

GRE Test Simulator - Complete with all three sections

Patent Bar Simulator - USPTO Registration Examination Preparation

OPC Simulator Server

Microchip PIC microcontroller simulator

A Turing Machine Simulator that allows an arbitrary machine to be loaded

M/M/1 Solver & Simulator solves and simulates the M/M/1 queuing system.

Pretty cool 3D lower level AI simulator. There is a food chain