Best OMNEST Alternatives in 2026
Updated
20 tools from network simulation software ranked against OMNEST on the same published basis.
- 1OMNEST vs OMNeT++
- 2OMNEST vs EVE-NG
- 3OMNEST vs IMUNES
- 4OMNEST vs GNS3
- 5OMNEST vs Kathará
- 6OMNEST vs Mininet
- 7OMNEST vs ns-3
- 9OMNEST vs Containerlab
- 10OMNEST vs Marionnet
- 11OMNEST vs NetSim by Tetcos
- 12OMNEST vs QuNetSim
- 13OMNEST vs Cloonix
- 14OMNEST vs EMANE
- 15OMNEST vs Days
- 16OMNEST vs PacketStorm Network Emulators
- 17OMNEST vs Cisco Packet Tracer
- 18OMNEST vs NetSim
- 19OMNEST vs PNETLab
- 20OMNEST vs EXata Network Modeling
- 21OMNEST vs MIMIC Simulator
OMNEST alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | OMNeT++ | 7.7 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 2 | EVE-NG | 7.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 3 | IMUNES | 7.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 4 | GNS3 | 7.3 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 5 | Kathará | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 6 | Mininet | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 7 | ns-3 | 7.3 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 9 | Containerlab | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 10 | Marionnet | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 11 | NetSim by Tetcos | 7.1 | Free plan | Free | Windows |
| 12 | QuNetSim | 7.1 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 13 | Cloonix | 7.0 | Free plan | Free | Linux, Web |
| 14 | EMANE | 7.0 | Free plan | Free | Linux, self-hosted |
| 15 | Days | 6.3 | No | — | Linux |
| 16 | PacketStorm Network Emulators | 6.3 | No | — | Web, Windows, Mac, Linux |
| 17 | Cisco Packet Tracer | 6.1 | Free plan | Free | Linux, Mac, Windows |
| 18 | NetSim | 6.1 | No | — | Web, Windows, Mac, Linux |
| 19 | PNETLab | 6.1 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 20 | EXata Network Modeling | 6.0 | No | — | Linux, Windows |
| 21 | MIMIC Simulator | 5.9 | No | — | Windows, Linux |
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Questions about OMNEST alternatives
What is the best alternative to OMNEST?
OMNeT++, number 1 in network simulation software with a score of 7.7 out of 10. The others here: EVE-NG, IMUNES, GNS3 and 16 more.
What is the best free alternative to OMNEST?
OMNeT++ is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.