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Best Common Open Research Emulator (CORE) Alternatives in 2026

Updated

20 apps from network simulation software ranked against Common Open Research Emulator (CORE) on the same published basis.

  1. 1
    EVE-NG Free plan LinuxMacself-hostedWebWin Free6.7
    Common Open Research Emulator (CORE) vs EVE-NG
  2. 2
    IMUNES Free plan LinuxMacself-hostedWebWin Free6.7
    Common Open Research Emulator (CORE) vs IMUNES
  3. 3
    Cisco Modeling Labs Free plan LinuxMacWebWin Free6.6
    Common Open Research Emulator (CORE) vs Cisco Modeling Labs
  4. 4
    Containerlab Free plan apiLinuxMacself-hostedWeb Free6.6
    Common Open Research Emulator (CORE) vs Containerlab
  5. 5
    GNS3 Free plan LinuxMacself-hostedWebWin Free6.6
    Common Open Research Emulator (CORE) vs GNS3
  6. 6
    Mininet Free plan apiLinuxMacself-hostedWin Free6.6
    Common Open Research Emulator (CORE) vs Mininet
  7. 7
    OMNeT++ Free plan LinuxMacself-hostedWin Free6.6
    Common Open Research Emulator (CORE) vs OMNeT++
  8. 8
    PNETLab Free plan LinuxMacself-hostedWebWin Free6.6
    Common Open Research Emulator (CORE) vs PNETLab
  9. 9
    Cisco Packet Tracer Free plan LinuxMacWin Free6.5
    Common Open Research Emulator (CORE) vs Cisco Packet Tracer
  10. 10
    Kathará Free plan apiLinuxMacself-hostedWin Free6.5
    Common Open Research Emulator (CORE) vs Kathará
  11. 11
    Marionnet Free plan LinuxMacWin Free6.5
    Common Open Research Emulator (CORE) vs Marionnet
  12. 12
    ns-3 Free plan LinuxMacself-hostedWin Free6.5
    Common Open Research Emulator (CORE) vs ns-3
  13. 13
    QuNetSim Free plan LinuxMacself-hostedWin Free6.5
    Common Open Research Emulator (CORE) vs QuNetSim
  14. 14
    Cloonix Free plan LinuxWeb Free6.4
    Common Open Research Emulator (CORE) vs Cloonix
  15. 15
    EMANE Free plan Linuxself-hosted Free6.4
    Common Open Research Emulator (CORE) vs EMANE
  16. 16
    Mahimahi Free plan Linux Free6.4
    Common Open Research Emulator (CORE) vs Mahimahi
  17. 17
    Mininet-WiFi Free plan Linuxself-hosted Free6.4
    Common Open Research Emulator (CORE) vs Mininet-WiFi
  18. 18
    NetSim by Tetcos Free plan Win Free6.4
    Common Open Research Emulator (CORE) vs NetSim by Tetcos
  19. 19
    Telephone Free plan Mac Free6.4
    Common Open Research Emulator (CORE) vs Telephone
  20. 20
    NetSim Free plan Web $15/mo6.3
    Common Open Research Emulator (CORE) vs NetSim

Common Open Research Emulator (CORE) alternatives compared

#AppScoreFree planFromRuns on
1EVE-NG6.7Free planFreeLinux, Mac, self-hosted, Web, Windows
2IMUNES6.7Free planFreeLinux, Mac, self-hosted, Web, Windows
3Cisco Modeling Labs6.6Free planFreeLinux, Mac, Web, Windows
4Containerlab6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5GNS36.6Free planFreeLinux, Mac, self-hosted, Web, Windows
6Mininet6.6Free planFreeAPI, Linux, Mac, self-hosted, Windows
7OMNeT++6.6Free planFreeLinux, Mac, self-hosted, Windows
8PNETLab6.6Free planFreeLinux, Mac, self-hosted, Web, Windows
9Cisco Packet Tracer6.5Free planFreeLinux, Mac, Windows
10Kathará6.5Free planFreeAPI, Linux, Mac, self-hosted, Windows
11Marionnet6.5Free planFreeLinux, Mac, Windows
12ns-36.5Free planFreeLinux, Mac, self-hosted, Windows
13QuNetSim6.5Free planFreeLinux, Mac, self-hosted, Windows
14Cloonix6.4Free planFreeLinux, Web
15EMANE6.4Free planFreeLinux, self-hosted
16Mahimahi6.4Free planFreeLinux
17Mininet-WiFi6.4Free planFreeLinux, self-hosted
18NetSim by Tetcos6.4Free planFreeWindows
19Telephone6.4Free planFreeMac
20NetSim6.3Free plan$15/moWeb
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Questions about Common Open Research Emulator (CORE) alternatives

What is the best alternative to Common Open Research Emulator (CORE)?

EVE-NG, number 1 in network simulation software with a score of 6.7 out of 10. The others here: IMUNES, Cisco Modeling Labs, Containerlab and 16 more.

What is the best free alternative to Common Open Research Emulator (CORE)?

EVE-NG is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.