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Best Calico Open Source Alternatives in 2026

Updated

20 platforms from microsegmentation software ranked against Calico Open Source on the same published basis.

  1. 1
    ColorTokens Xshield Free trial apiLinuxMacself-hostedWeb 7.2
    Calico Open Source vs ColorTokens Xshield
  2. 3
    Istio Free plan LinuxMacself-hosted Free6.8
    Calico Open Source vs Istio
  3. 4
    VMware Workstation Pro Free plan Linuxself-hostedWin Free6.8
    Calico Open Source vs VMware Workstation Pro
  4. 5
    Cilium Free plan Linuxself-hosted Free6.7
    Calico Open Source vs Cilium
  5. 6
    Trellix Data Loss Prevention apiMacself-hostedWebWin 6.7
    Calico Open Source vs Trellix Data Loss Prevention
  6. 7
    Zscaler Private Access AndroidiOSLinuxMacWeb 6.7
    Calico Open Source vs Zscaler Private Access
  7. 8
    Antrea Free plan apiLinuxself-hostedWin Free6.6
    Calico Open Source vs Antrea
  8. 9
    HashiCorp Nomad apiLinuxMacself-hostedWeb 6.5
    Calico Open Source vs HashiCorp Nomad
  9. 10
    OVN-Kubernetes apiLinuxself-hostedWin 6.4
    Calico Open Source vs OVN-Kubernetes
  10. 11
    Zentera CoIP Access Platform apiLinuxMacself-hostedWin 6.4
    Calico Open Source vs Zentera CoIP Access Platform
  11. 12
    Aviatrix Zero Trust for Workloads Web 6.3
    Calico Open Source vs Aviatrix Zero Trust for Workloads
  12. 13
    Elisity Microsegmentation apiself-hostedWeb 6.3
    Calico Open Source vs Elisity Microsegmentation
  13. 14
    Zero Networks Segment apiWeb 6.2
    Calico Open Source vs Zero Networks Segment
  14. 15
    Tetrate Service Bridge apiself-hostedWeb 6.1
    Calico Open Source vs Tetrate Service Bridge
  15. 16
    Calico Enterprise Linuxself-hostedWebWin 6.0
    Calico Open Source vs Calico Enterprise
  16. 17
    Juniper Security Director self-hostedWeb 5.9
    Calico Open Source vs Juniper Security Director
  17. 18
    Hillstone Security Management 5.8
    Calico Open Source vs Hillstone Security Management
  18. 19
    Hopr Free plan Linuxself-hosted $35/mo5.8
    Calico Open Source vs Hopr
  19. 20
    SUSE Multi-Linux Manager Linux 5.8
    Calico Open Source vs SUSE Multi-Linux Manager
  20. 21
    Akamai Guardicore Segmentation self-hosted 5.7
    Calico Open Source vs Akamai Guardicore Segmentation

Calico Open Source alternatives compared

#PlatformScoreFree planFromRuns on
1ColorTokens Xshield7.2No—API, Linux, Mac, self-hosted, Web, Windows
3Istio6.8Free planFreeLinux, Mac, self-hosted
4VMware Workstation Pro6.8Free planFreeLinux, self-hosted, Windows
5Cilium6.7Free planFreeLinux, self-hosted
6Trellix Data Loss Prevention6.7No—API, Mac, self-hosted, Web, Windows
7Zscaler Private Access6.7No—Android, iOS, Linux, Mac, Web, Windows
8Antrea6.6Free planFreeAPI, Linux, self-hosted, Windows
9HashiCorp Nomad6.5No—API, Linux, Mac, self-hosted, Web, Windows
10OVN-Kubernetes6.4No—API, Linux, self-hosted, Windows
11Zentera CoIP Access Platform6.4No—API, Linux, Mac, self-hosted, Windows
12Aviatrix Zero Trust for Workloads6.3No—Web
13Elisity Microsegmentation6.3No—API, self-hosted, Web
14Zero Networks Segment6.2No—API, Web
15Tetrate Service Bridge6.1No—API, self-hosted, Web
16Calico Enterprise6.0No—Linux, self-hosted, Web, Windows
17Juniper Security Director5.9No—self-hosted, Web
18Hillstone Security Management5.8No——
19Hopr5.8Free plan$35/moLinux, self-hosted
20SUSE Multi-Linux Manager5.8No—Linux
21Akamai Guardicore Segmentation5.7No—self-hosted
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Questions about Calico Open Source alternatives

What is the best alternative to Calico Open Source?

ColorTokens Xshield, number 1 in microsegmentation software with a score of 7.2 out of 10. The others here: Istio, VMware Workstation Pro, Cilium and 16 more.

What is the best free alternative to Calico Open Source?

Istio is the best-ranked alternative with a free plan. 5 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.