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Best Calico Open Source Alternatives in 2026

Updated

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

  1. 2
    Istio Free plan LinuxMacself-hosted Free6.4
    Calico Open Source vs Istio
  2. 3
    VMware Workstation Pro Free plan Linuxself-hostedWin Free6.4
    Calico Open Source vs VMware Workstation Pro
  3. 4
    Antrea Free plan apiLinuxself-hostedWin Free6.3
    Calico Open Source vs Antrea
  4. 5
    Cilium Free plan Linuxself-hosted Free6.3
    Calico Open Source vs Cilium
  5. 6
    Hopr Free plan Linuxself-hosted $35/mo6.3
    Calico Open Source vs Hopr
  6. 7
    ColorTokens Xshield Free trial apiLinuxMacself-hostedWeb 5.6
    Calico Open Source vs ColorTokens Xshield
  7. 8
    HashiCorp Nomad apiLinuxMacself-hostedWeb 5.6
    Calico Open Source vs HashiCorp Nomad
  8. 9
    Trellix Data Loss Prevention apiMacself-hostedWebWin 5.6
    Calico Open Source vs Trellix Data Loss Prevention
  9. 10
    OVN-Kubernetes apiLinuxself-hostedWin 5.5
    Calico Open Source vs OVN-Kubernetes
  10. 11
    Zentera CoIP Access Platform apiLinuxMacself-hostedWin 5.5
    Calico Open Source vs Zentera CoIP Access Platform
  11. 12
    Aviatrix Zero Trust for Workloads Web 5.4
    Calico Open Source vs Aviatrix Zero Trust for Workloads
  12. 13
    Elisity Microsegmentation apiself-hostedWeb 5.4
    Calico Open Source vs Elisity Microsegmentation
  13. 14
    SUSE Multi-Linux Manager apiLinuxself-hostedWeb 5.4
    Calico Open Source vs SUSE Multi-Linux Manager
  14. 15
    Zscaler Private Access AndroidiOSLinuxMacWeb 5.4
    Calico Open Source vs Zscaler Private Access
  15. 16
    Tetrate Service Bridge apiself-hostedWeb 5.3
    Calico Open Source vs Tetrate Service Bridge
  16. 17
    Zero Networks Segment apiWeb 5.3
    Calico Open Source vs Zero Networks Segment
  17. 18
    Hillstone Security Management 5.2
    Calico Open Source vs Hillstone Security Management
  18. 19
    VMware vDefend Distributed Firewall Web 5.2
    Calico Open Source vs VMware vDefend Distributed Firewall
  19. 20
    Xage Critical Asset Protection Web 5.2
    Calico Open Source vs Xage Critical Asset Protection
  20. 21
    Akamai Guardicore Segmentation self-hosted 5.1
    Calico Open Source vs Akamai Guardicore Segmentation

Calico Open Source alternatives compared

#AppScoreFree planFromRuns on
2Istio6.4Free planFreeLinux, Mac, self-hosted
3VMware Workstation Pro6.4Free planFreeLinux, self-hosted, Windows
4Antrea6.3Free planFreeAPI, Linux, self-hosted, Windows
5Cilium6.3Free planFreeLinux, self-hosted
6Hopr6.3Free plan$35/moLinux, self-hosted
7ColorTokens Xshield5.6No—API, Linux, Mac, self-hosted, Web, Windows
8HashiCorp Nomad5.6No—API, Linux, Mac, self-hosted, Web, Windows
9Trellix Data Loss Prevention5.6No—API, Mac, self-hosted, Web, Windows
10OVN-Kubernetes5.5No—API, Linux, self-hosted, Windows
11Zentera CoIP Access Platform5.5No—API, Linux, Mac, self-hosted, Windows
12Aviatrix Zero Trust for Workloads5.4No—Web
13Elisity Microsegmentation5.4No—API, self-hosted, Web
14SUSE Multi-Linux Manager5.4No—API, Linux, self-hosted, Web
15Zscaler Private Access5.4No—Android, iOS, Linux, Mac, Web, Windows
16Tetrate Service Bridge5.3No—API, self-hosted, Web
17Zero Networks Segment5.3No—API, Web
18Hillstone Security Management5.2No——
19VMware vDefend Distributed Firewall5.2No—Web
20Xage Critical Asset Protection5.2No—Web
21Akamai Guardicore Segmentation5.1No—self-hosted
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Questions about Calico Open Source alternatives

What is the best alternative to Calico Open Source?

Istio, number 2 in microsegmentation software with a score of 6.4 out of 10. The others here: VMware Workstation Pro, Antrea, 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.