# Romana alternatives and competitors (2026) The closest Romana alternatives are [Knocknoc](https://cybersectools.com/tools/knocknoc), [Tigera Calico Enterprise](https://cybersectools.com/tools/tigera-calico-enterprise) and [Isovalent Cilium Mesh](https://cybersectools.com/tools/isovalent-cilium-mesh). Picking a Romana alternative comes down to fit: Microsegmentation coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it. 26 alternatives. Closest matches: Knocknoc, Tigera Calico Enterprise, Isovalent Cilium Mesh. ## The product [Romana](https://cybersectools.com/tools/romana) Romana automates cloud-native network isolation and distributed firewall policies for Kubernetes and OpenStack environments using topology-aware IPAM without overlays. Category: [Network Security](https://cybersectools.com/categories/network-security) · Pricing model: Free ## Romana alternatives and competitors Romana is a free [Microsegmentation](https://cybersectools.com/categories/microsegmentation) solution. The closest matches by shared tags and NIST CSF 2.0 coverage are [Knocknoc](https://cybersectools.com/tools/knocknoc), [Tigera Calico Enterprise](https://cybersectools.com/tools/tigera-calico-enterprise), [Isovalent Cilium Mesh](https://cybersectools.com/tools/isovalent-cilium-mesh), [Greymatter.io](https://cybersectools.com/tools/greymatterio), and [Aviatrix Zero Trust for Workloads](https://cybersectools.com/tools/aviatrix-zero-trust-for-workloads). All 26 alternatives on this page are ranked the same way. Want a free option? See [free and open source network security solutions](https://cybersectools.com/free), plus free picks in other categories. ## The closest Romana alternatives These 8 solutions overlap most with Romana. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [Knocknoc](https://cybersectools.com/tools/knocknoc) Network allowlisting solution that orchestrates access controls via identity auth [Microsegmentation](https://cybersectools.com/categories/microsegmentation) · Commercial Key features: Network allowlisting based on authentication, Just-in-time IP address whitelisting, Zero attack surface until authentication, Scripting backend for customization, Protection for network-exposed services [Knocknoc alternatives](https://cybersectools.com/alternatives/knocknoc) · [Romana vs Knocknoc](https://cybersectools.com/compare/knocknoc-vs-romana) ### 2. [Tigera Calico Enterprise](https://cybersectools.com/tools/tigera-calico-enterprise) Kubernetes security platform for network policy, compliance & observability [Microsegmentation](https://cybersectools.com/categories/microsegmentation) · Commercial Key features: 10 listed. See them on the [Tigera Calico Enterprise page](https://cybersectools.com/tools/tigera-calico-enterprise#features). Shares 3 capabilities with Romana: Kubernetes, Cloud Native, Policy [Tigera Calico Enterprise alternatives](https://cybersectools.com/alternatives/tigera-calico-enterprise) · [Romana vs Tigera Calico Enterprise](https://cybersectools.com/compare/romana-vs-tigera-calico-enterprise) ### 3. [Isovalent Cilium Mesh](https://cybersectools.com/tools/isovalent-cilium-mesh) Universal networking layer for Kubernetes, VMs, and servers across environments [Microsegmentation](https://cybersectools.com/categories/microsegmentation) · Commercial Key features: 10 listed. See them on the [Isovalent Cilium Mesh page](https://cybersectools.com/tools/isovalent-cilium-mesh#features). [Isovalent Cilium Mesh alternatives](https://cybersectools.com/alternatives/isovalent-cilium-mesh) · [Romana vs Isovalent Cilium Mesh](https://cybersectools.com/compare/isovalent-cilium-mesh-vs-romana) ### 4. [Greymatter.io](https://cybersectools.com/tools/greymatterio) Zero trust service mesh platform for apps, APIs, and AI across hybrid cloud. [Microsegmentation](https://cybersectools.com/categories/microsegmentation) · Commercial Key features: 8 listed. See them on the [Greymatter.io page](https://cybersectools.com/tools/greymatterio#features). [Greymatter.io alternatives](https://cybersectools.com/alternatives/greymatterio) · [Romana vs Greymatter.io](https://cybersectools.com/compare/greymatterio-vs-romana) ### 5. [Aviatrix Zero Trust for Workloads](https://cybersectools.com/tools/aviatrix-zero-trust-for-workloads) Zero trust workload protection for VMs, containers, K8s, and serverless [Microsegmentation](https://cybersectools.com/categories/microsegmentation) · Commercial Key features: 10 listed. See them on the [Aviatrix Zero Trust for Workloads page](https://cybersectools.com/tools/aviatrix-zero-trust-for-workloads#features). [Aviatrix Zero Trust for Workloads alternatives](https://cybersectools.com/alternatives/aviatrix-zero-trust-for-workloads) · [Romana vs Aviatrix Zero Trust for Workloads](https://cybersectools.com/compare/aviatrix-zero-trust-for-workloads-vs-romana) ### 6. [Elisity Microsegmentation Platform](https://cybersectools.com/tools/elisity-microsegmentation-platform) Identity-based microsegmentation solution for network access control [Microsegmentation](https://cybersectools.com/categories/microsegmentation) · Commercial [Elisity Microsegmentation Platform alternatives](https://cybersectools.com/alternatives/elisity-microsegmentation-platform) · [Romana vs Elisity Microsegmentation Platform](https://cybersectools.com/compare/elisity-microsegmentation-platform-vs-romana) ### 7. [Illumio Zero Trust Security](https://cybersectools.com/tools/illumio-zero-trust-security) Zero Trust security platform with microsegmentation and endpoint protection [Microsegmentation](https://cybersectools.com/categories/microsegmentation) · Commercial Key features: 10 listed. See them on the [Illumio Zero Trust Security page](https://cybersectools.com/tools/illumio-zero-trust-security#features). [Illumio Zero Trust Security alternatives](https://cybersectools.com/alternatives/illumio-zero-trust-security) · [Romana vs Illumio Zero Trust Security](https://cybersectools.com/compare/illumio-zero-trust-security-vs-romana) ### 8. [Akamai Guardicore Segmentation](https://cybersectools.com/tools/akamai-guardicore-segmentation) Microsegmentation solution for preventing lateral movement in networks [Microsegmentation](https://cybersectools.com/categories/microsegmentation) · Commercial Key features: 10 listed. See them on the [Akamai Guardicore Segmentation page](https://cybersectools.com/tools/akamai-guardicore-segmentation#features). [Akamai Guardicore Segmentation alternatives](https://cybersectools.com/alternatives/akamai-guardicore-segmentation) · [Romana vs Akamai Guardicore Segmentation](https://cybersectools.com/compare/akamai-guardicore-segmentation-vs-romana) ## All 26 products like Romana The 8 above, plus: - [HOPZERO Sphere of Trust](https://cybersectools.com/tools/hopzero-sphere-of-trust): Network containment tool using TTL/hop limits to restrict data travel distance. (Commercial) - [PRODIC Microsegmentación](https://cybersectools.com/tools/prodic-microsegmentacion): Network microsegmentation service to contain ransomware and limit lateral movement (Commercial) - [Qingteng Lingyu Microsegmentation Security Platform](https://cybersectools.com/tools/qingteng-lingyu-microsegmentation-security-platform) (Commercial) - [Versa Secure SD-LAN](https://cybersectools.com/tools/versa-secure-sd-lan): Software-defined LAN switching with Zero Trust security and centralized mgmt. (Commercial) - [Zero Networks Microsegmentation](https://cybersectools.com/tools/zero-networks-microsegmentation-58i93): Microsegmentation platform for network, identity, and remote access controls (Commercial) - [Zentera Zero Trust Security](https://cybersectools.com/tools/zentera-zero-trust-security): Zero Trust security platform with microsegmentation and ZTNA capabilities (Commercial) - [Byos Secure Lobby](https://cybersectools.com/tools/byos-secure-lobby): SDN overlay for encrypted, microsegmented remote access to IT/OT endpoints. (Commercial) - [Tempered Airwall](https://cybersectools.com/tools/tempered-airwall): Identity-based zero trust overlay networking to secure and microsegment critical (Commercial) - [cyel Moving Target Security](https://cybersectools.com/tools/cyel-moving-target-security): SDN-based moving target defense that obfuscates network topology and traffic. (Commercial) - [SensorFu Beacon](https://cybersectools.com/tools/sensorfu-beacon): Continuously tests network isolation/segmentation by detecting unexpected leaks. (Commercial) - [TCPWave](https://cybersectools.com/tools/tcpwave): AI-powered DDI (DNS, DHCP, IPAM) and ADC management platform. (Commercial) - [TrueFort Platform](https://cybersectools.com/tools/truefort-platform): Real-time microsegmentation platform for enterprise security (now defunct). (Commercial) - [Avocado Protect](https://cybersectools.com/tools/avocado-protect): Agentless app zero trust with process-level microsegmentation and runtime protection. (Commercial) - [TrustFour T4 - Protect](https://cybersectools.com/tools/trustfour-t4-protect): Enforces mTLS & NHI credential controls to reduce workload attack surface. (Commercial) - [Autek Cross-Domain Solutions](https://cybersectools.com/tools/autek-cross-domain-solutions) (Commercial) - [Netchina X-UGAP-FT/V6.0](https://cybersectools.com/tools/netchina-x-ugap-ftv60): Hardware gateway enabling physically isolated, one-way data transfer between networks (Commercial) - [Air Gap Network Switch](https://cybersectools.com/tools/air-gap-network-switch): Scheduled network switch that physically disconnects devices to limit ransomware/malware (Commercial) - [Asimily Segmentation Orchestration](https://cybersectools.com/tools/asimily-segmentation-orchestration): Risk-based network microsegmentation policies for IoT, OT, IoMT and IT devices (Commercial) ## Alternatives to each of these [Knocknoc alternatives](https://cybersectools.com/alternatives/knocknoc) · [Tigera Calico Enterprise alternatives](https://cybersectools.com/alternatives/tigera-calico-enterprise) · [Isovalent Cilium Mesh alternatives](https://cybersectools.com/alternatives/isovalent-cilium-mesh) · [Greymatter.io alternatives](https://cybersectools.com/alternatives/greymatterio) · [Aviatrix Zero Trust for Workloads alternatives](https://cybersectools.com/alternatives/aviatrix-zero-trust-for-workloads) · [Elisity Microsegmentation Platform alternatives](https://cybersectools.com/alternatives/elisity-microsegmentation-platform) · [Illumio Zero Trust Security alternatives](https://cybersectools.com/alternatives/illumio-zero-trust-security) · [Akamai Guardicore Segmentation alternatives](https://cybersectools.com/alternatives/akamai-guardicore-segmentation) · [HOPZERO Sphere of Trust alternatives](https://cybersectools.com/alternatives/hopzero-sphere-of-trust) · [PRODIC Microsegmentación alternatives](https://cybersectools.com/alternatives/prodic-microsegmentacion) · [Qingteng Lingyu Microsegmentation Security Platform alternatives](https://cybersectools.com/alternatives/qingteng-lingyu-microsegmentation-security-platform) · [Versa Secure SD-LAN alternatives](https://cybersectools.com/alternatives/versa-secure-sd-lan) ## Compare Romana with - [Romana vs Knocknoc](https://cybersectools.com/compare/knocknoc-vs-romana) - [Romana vs Tigera Calico Enterprise](https://cybersectools.com/compare/romana-vs-tigera-calico-enterprise) - [Romana vs Isovalent Cilium Mesh](https://cybersectools.com/compare/isovalent-cilium-mesh-vs-romana) - [Romana vs Greymatter.io](https://cybersectools.com/compare/greymatterio-vs-romana) - [Romana vs Aviatrix Zero Trust for Workloads](https://cybersectools.com/compare/aviatrix-zero-trust-for-workloads-vs-romana) - [Romana vs Elisity Microsegmentation Platform](https://cybersectools.com/compare/elisity-microsegmentation-platform-vs-romana) - [Romana vs Illumio Zero Trust Security](https://cybersectools.com/compare/illumio-zero-trust-security-vs-romana) - [Romana vs Akamai Guardicore Segmentation](https://cybersectools.com/compare/akamai-guardicore-segmentation-vs-romana) ## Romana Alternatives FAQ ### What are the closest alternatives to Romana? The closest matches to Romana by shared tags and NIST CSF 2.0 coverage are Knocknoc, Tigera Calico Enterprise, Isovalent Cilium Mesh, Greymatter.io, and Aviatrix Zero Trust for Workloads. All of them are Microsegmentation products. ### How many alternatives to Romana are available? This page shows 26 alternatives to Romana, all in the Microsegmentation category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first. ### Is Romana free or commercial? Romana is a free Microsegmentation product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free. ### What type of solution is Romana? Romana is a Microsegmentation product in the Network Security category. You can compare it with the 26 other Microsegmentation products on this page. --- Source: https://cybersectools.com/alternatives/romana For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on Romana and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md