1)   Network Visualizer 4.0
RouterSim Network Visualizer 4.0 is a CCNA network simulator that allows you to design, build and configure your own network with drag and drop design. Use unlimited devices, 432 commands and work with 233 supported labs in building your networks.
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 2)   SemSim CCNA Test Router Simulator 2.2.1
Router simulator for CCNA test. Includes FREE CCNA exam like troubleshooting lab. Supports over 200 commands, over 30 interactive labs, 6 CCNA test like practical troubleshooting scenarios,70 randomized flash cards,3 router tests
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 3)   RouterConsole 1.0
A new router simulator, with excellent error control, many features not implemented in other router simulators (setup, ROM Monitor, RXBOOT, password recovery). The "Home Labs" section has 41 simulations (5 in the evaluation version).
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 4)   CertExams.com CCNA Network Simulator. 2.0
CertExams.com router simulator has the following features: -Several lab exercises for candidates preparing for CCNA -Cisco router console simulation with 80+ supported commands. -Network Designer -Comprehensive help file -Flash cards
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 5)   SimulationExams.com CCNA Intro Exams 1.0
Practice tests for CCNA Intro (640-821) conforms to the latest exam objectives. The package contains 160+ questions with most questions carrying detailed explanations.
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 6)   Cert CCNA Router Simulator 2.0
CertExams.com router simulator has the following features: -Several lab exercises for candidates preparing for CCNA -Cisco router console simulation with 60+ supported commands. -Comprehensive help file -Flash cards -Simulate up to 3 routers.
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 7)   SimulationExams.com CCNA ICND Exams 1.0
Practice tests for CCNA ICND (640-811) conforms to the latest exam objectives. The package contains 160+ questions with most questions carrying detailed explanations.
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 8)   CertExams.com JNet Simulator. 1.0
CertExams.com router simulator has the following features: -Several lab exercises for candidates preparing for JNCIA -Cisco router console simulation with several supported commands. -Comprehensive help file -Flash cards
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