Side by side
NetSim by Tetcos vs NetSim
Both stand on network simulation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Windows
Choose NetSim if you need packet-level wired or wireless simulation, custom 5G protocol work, or hardware and power-system testbed emulation. Look elsewhere if you need a non-Windows platform or a published price for a paid plan.
Visit NetSim by Tetcos Free trial LinuxMacWeb+1
NetSim offers guided Cisco practice, feedback and custom lab design through a browser, with lab packs and certification-specific plans. Check the lab count and one-year license term for the plan you need.
Visit NetSimThe facts
| NetSim by Tetcos | NetSim | |
|---|---|---|
| Free plan | Yes | A free trial |
| Open source | Not published | Not published |
| Runs on | Windows | Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | NetSim Lab Pack: IPv4 Subnetting: $29 a year |
| Plans published | 4 | 6 |
| Maker | Not published | Not published |
| Website | tetcos.com | netsim.boson.com |
| On network simulation software | #22 of 31 | #26 of 31 |
NetSim by Tetcos: what it does well
- Models end-to-end 5G and 6G networks with configurable propagation.
- C source code across the 5G stack can be modified.
- Python interface supports automation, AI/ML workflows, and run-time control.
- Emulator routes traffic through configured delay, loss, and error conditions.
- NetSim Cyber interfaces with a range of power-system tools.
What to know first
- Runs on Windows; no other platform is listed.
- Lite is free only for individual use.
- Prices for Academic, Standard, and Pro are on request.
- Emulator setup calls for a dedicated Windows 10 or 11 system.
NetSim: what it does well
- Preconfigured labs include required materials
- Configuration comparisons give instant feedback
- Lab progress syncs between devices
- Network Designer supports complex custom labs
What to know first
- Online licenses last one year
- No free plan is listed
- Certification plans cost $179 a year
Alternatives to NetSim by Tetcos Alternatives to NetSim The whole list