Tech riderRev. 1 Oct 2026
NetSim by Tetcos
- 1Runs onWindows
- 2CostsFree plan
- 3Simulation modeldiscrete-event
- 4Real-time emulationYes
- 5Hardware-in-the-loopYes
- 6Deployment optionsdesktop
- 7Documented node limit100 nodes
- 8Automation APIYes
8 lines stated Written from the maker's own pages: tetcos.com, support.tetcos.com

Overview
NetSim by Tetcos is ranked #11 of 29 in network simulation software on Specifiction. It runs on Windows. There is a free plan.
NetSim by Tetcos plans and pricing
All plansNetSim Academic Not published 100 nodes · 35+ inbuilt lab experiments · academic pricing tetcos.com · 1 Oct 2026
NetSim Standard Not published 500 nodes · protocol source C code · Python, MATLAB, SUMO, Wireshark interfaces · emulator tetcos.com · 1 Oct 2026
NetSim Pro Not published 5000 nodes · all technology libraries · priority support · Cyber and Astra add-ons tetcos.com · 1 Oct 2026
Compared on network simulation software
- Free plan
- Yestetcos.com
- Simulation model
- discrete-eventtetcos.com
- Real-time emulation
- Yestetcos.com
- Hardware-in-the-loop
- Yestetcos.com
- Deployment options
- desktoptetcos.com
- Documented node limit
- 100 nodestetcos.com
- Automation API
- Yestetcos.com
Facts
- Core purpose
- NetSim is a packet-level, discrete-event network simulator and emulator for wired and wireless communication networks.tetcos.com · 1 Oct 2026
- 5G and 6G
- NetSim models end-to-end 5G/6G networks with gNB, UE, 5G Core, MIMO, beamforming, network slicing, and configurable propagation.tetcos.com · 1 Oct 2026
- Protocol source
- Every layer of the 5G stack ships with C source code that users can modify to build custom protocols.tetcos.com · 1 Oct 2026
- Python interface
- An external Python interface supports automation, AI/ML workflows, and run-time control.tetcos.com · 1 Oct 2026
- Integrations
- NetSim Standard and Pro interface with Python, MATLAB, SUMO, and Wireshark.tetcos.com · 1 Oct 2026
- Hardware emulation
- The NetSim Emulator connects simulations to real hardware and live applications, with traffic passing through configured delay, loss, and error conditions.tetcos.com · 1 Oct 2026
- Cybersecurity
- NetSim Cyber provides a network and attack-emulation layer for power-system cyber-physical testbeds.tetcos.com · 1 Oct 2026
- Power-system integrations
- NetSim Cyber directly interfaces with OPAL-RT, RTDS, HYPERSIM, PSCAD, MATLAB/Simulink, Typhoon HIL, OpenPMU, and openPDC.tetcos.com · 1 Oct 2026
- License security
- Cloud licensing exchanges only license-handshake data, while simulation data and user files remain local.tetcos.com · 1 Oct 2026
- On-premises licensing
- On-premises floating licensing keeps communication within the customer network and can operate without internet after initial setup.tetcos.com · 1 Oct 2026
- Support
- Tetcos offers technical support through tickets, email, and phone, and states that replies arrive within 24 hours.tetcos.com · 1 Oct 2026
- Target users
- Tetcos lists universities, defence labs, telecom operators, and research groups as NetSim users.tetcos.com · 1 Oct 2026
- Academic capabilities
- NetSim Academic includes an easy-to-use GUI, packet animation, dynamic plots, a results dashboard, and 35+ inbuilt labs.tetcos.com · 1 Oct 2026
- Windows requirement
- The emulator setup specifies a dedicated system running NetSim on Windows 10 or 11.tetcos.com · 1 Oct 2026
Company
- Headquarters
- Bangalore, Indiatetcos.com · 28 Sept 2026
Best NetSim by Tetcos alternatives
See all 20 All accessCh 01 OMNeT++ Free planFree trialLinux Free to start7.7 All accessCh 02 EVE-NG Free planLinuxMac Free to start7.6 All accessCh 03 IMUNES Free planLinuxMac Free to start7.6 All accessCh 04 GNS3 Free planLinuxMac Free to start7.3 All accessCh 05 Kathará Free planAPILinux Free to start7.3 All accessCh 06 Mininet Free planAPILinux Free to start7.3
Where it ranks on Specifiction
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Sources
- tetcos.com· checked 1 Oct 2026
- tetcos.com/5g.html· checked 1 Oct 2026
- tetcos.com/version-comparison.html· checked 1 Oct 2026
- tetcos.com/netsim-emulator.html· checked 1 Oct 2026
- tetcos.com/netsim-cyber.html· checked 1 Oct 2026
- tetcos.com/netsim-licensing.html· checked 1 Oct 2026
- tetcos.com/contact.html· checked 1 Oct 2026
- tetcos.com/about-us.html· checked 1 Oct 2026
- tetcos.com/netsim-acad.html· checked 1 Oct 2026
- support.tetcos.com/support/solutions/articles/14000043154-· checked 1 Oct 2026
