Best Cilium Alternatives & Competitors in 2026

Isovalent Enterprise Platform

Enterprise platform for Kubernetes networking, security, and observability

Tigera Calico Enterprise

Kubernetes security platform for network policy, compliance & observability

Tigera Calico Commercial Editions

Network security & observability platform for Kubernetes environments

Isovalent Kubernetes Networking

Enterprise Kubernetes networking platform built on Cilium and eBPF

Isovalent Cilium Mesh

Universal networking layer for Kubernetes, VMs, and servers across environments

Greymatter.io

Zero trust service mesh platform for apps, APIs, and AI across hybrid cloud.

Versa Secure SD-LAN

Software-defined LAN switching with Zero Trust security and centralized mgmt.

DuskRise IoT Device

IoT device creating secure network segments for remote workers

ORDR AI Protect for Segmentation

AI-driven network segmentation platform with automated policy generation

ORDR AI Protect Platform

AI-powered network segmentation platform for IoT, OT, and IoMT environments

Aviatrix Zero Trust for Workloads

Zero trust workload protection for VMs, containers, K8s, and serverless

Elisity Microsegmentation Platform

Identity-based microsegmentation solution for network access control

Illumio Breach Containment

Breach containment platform with microsegmentation and lateral movement control

Illumio Insights

AI-powered breach containment and zero trust segmentation platform

Illumio Segmentation

Microsegmentation platform preventing lateral movement across hybrid multi-cloud

Illumio Policy Compute Engine

Centralized policy engine for microsegmentation and breach containment

Illumio Zero Trust Security

Zero Trust security platform with microsegmentation and endpoint protection

Zero Networks Identity Segmentation

Automates identity-based access controls for users, devices, and applications.

Zero Networks Microsegmentation

Microsegmentation platform for network, identity, and remote access controls

Zentera Zero Trust Security

Zero Trust security platform with microsegmentation and ZTNA capabilities

Byos Secure Lobby

SDN overlay for encrypted, microsegmented remote access to IT/OT endpoints.

Byos Network Hardening

Hardware-enforced microsegmentation platform replacing Jump Boxes.

Byos Secure Embedded Edge

Hardware SOM providing OS-independent microsegmentation for edge devices.

cyel Moving Target Security

SDN-based moving target defense that obfuscates network topology and traffic.

HOPZERO Sphere of Trust

Network containment tool using TTL/hop limits to restrict data travel distance.

HOPZERO DataTravel Security

Network hop-limiting platform that reduces attack surface for MSSPs.

SensorFu Beacon

Continuously tests network isolation/segmentation by detecting unexpected leaks.

TCPWave

AI-powered DDI (DNS, DHCP, IPAM) and ADC management platform.

TrueFort Platform

Real-time microsegmentation platform for enterprise security (now defunct).

Avocado Protect

Agentless app zero trust with process-level microsegmentation and runtime protection.

Garland Technology P10GSFP+A Data Diode TAP

Hardware data diode TAP enforcing unidirectional 1G/10G network traffic flow.

TrustFour T4 - Protect

Enforces mTLS & NHI credential controls to reduce workload attack surface.

Akamai Guardicore Segmentation

Microsegmentation solution for preventing lateral movement in networks

Romana

Romana automates cloud-native network isolation and distributed firewall policies for Kubernetes and OpenStack environments using topology-aware IPAM without overlays.