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Best Days Alternatives in 2026

12 platforms from network simulation software ranked against Days on the same published basis.

  1. 1
    Kathará Free plan apiLinuxMacself-hostedWin Free7.3
    Days vs Kathará
  2. 2
    Containerlab Free plan apiLinuxMacself-hostedWeb Free7.2
    Days vs Containerlab
  3. 3
    EVE-NG Free plan LinuxMacself-hostedWebWin Free6.0
    Days vs EVE-NG
  4. 4
    IMUNES Free plan LinuxMacself-hostedWebWin Free6.0
    Days vs IMUNES
  5. 5
    NetSim by Tetcos Free plan Win Free6.0
    Days vs NetSim by Tetcos
  6. 6
    OMNeT++ Free plan LinuxMacself-hostedWin Free6.0
    Days vs OMNeT++
  7. 7
    EMANE Free plan Linuxself-hosted Free5.9
    Days vs EMANE
  8. 8
    GNS3 Free plan LinuxMacself-hostedWebWin Free5.9
    Days vs GNS3
  9. 9
    ns-3 Free plan LinuxMacself-hostedWin Free5.9
    Days vs ns-3
  10. 10
    Cisco Packet Tracer WinMacLinux 5.1
    Days vs Cisco Packet Tracer
  11. 11
    Common Open Research Emulator (CORE) Linux 5.1
    Days vs Common Open Research Emulator (CORE)
  12. 12
    Marionnet LinuxWinMac 5.1
    Days vs Marionnet
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