Calico
Container networking software
Cloud compliance software
Cloud-native application protection platform (CNAPP)
Cloud security posture management (CSPM) software
Cloud workload protection platforms
Container security tools
Cloud security software
DevSecOps software
DevOps software
Containerization software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if Calico and its alternatives fit your requirements.
Pay-as-you-go
Free TrialFree version
Small
Medium
Large
-
What is Calico
Calico is a container networking and network security solution for Kubernetes and other container platforms. It provides networking, network policy enforcement, and (in enterprise editions) additional security and observability capabilities for clusters running on-premises or in public clouds. Calico is commonly used by platform engineering and DevOps teams to implement Kubernetes NetworkPolicy at scale and to standardize cluster networking across environments.
Strong Kubernetes network policy
Calico implements Kubernetes NetworkPolicy and extends it with additional policy constructs, enabling fine-grained traffic controls between pods, namespaces, and external endpoints. It supports common segmentation patterns such as default-deny and least-privilege service-to-service access. This makes it a practical choice when teams need more robust policy enforcement than basic CNI networking alone.
Flexible dataplane options
Calico supports multiple dataplane approaches (including Linux networking and eBPF-based modes, depending on deployment), which helps teams balance performance, feature needs, and operational constraints. It can run across different Kubernetes distributions and environments, including self-managed clusters and managed services. This flexibility is useful for organizations standardizing networking across heterogeneous clusters.
Broad ecosystem adoption
Calico is widely deployed in Kubernetes environments and integrates with common cluster operations workflows (CNI installation, policy-as-code, and GitOps-style rollouts). It fits into architectures that also use ingress controllers, service meshes, or external load balancers without requiring those components to be replaced. This reduces friction when adopting Calico primarily for networking and policy enforcement.
Not a full CNAPP suite
Despite overlapping security use cases, Calico’s core focus is container networking and network security controls rather than end-to-end cloud security posture management or full workload protection. Capabilities such as cloud account posture assessment, vulnerability management, and runtime threat detection typically require additional tools. Buyers evaluating it under CNAPP/CSPM categories should validate which functions are provided by the specific Calico edition they plan to deploy.
Operational complexity at scale
Designing and maintaining network policies across many namespaces and services can become complex, especially in multi-team clusters. Troubleshooting connectivity issues often requires strong Kubernetes networking knowledge and disciplined policy management practices. Large-scale environments may also need careful planning for upgrades, observability, and performance tuning.
Feature set varies by edition
Some advanced capabilities (for example, enhanced observability, policy management features, or enterprise support) depend on the commercial distribution rather than the open-source components. This can create uncertainty during evaluation if requirements span both open-source and enterprise-only features. Organizations should confirm licensing, support terms, and feature availability for their target deployment model.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Calico Open Source | Free | Open-source networking and network policy for Kubernetes and containers; community-supported; requires self-management. |
| Calico Cloud Free Tier | $0 / Hour (Free Forever) | Single-user, single-cluster observability and policy management (Ingress gateway, observability, policy management, 24-hour data retention). Requires Calico OSS 3.30+. |
| Calico Cloud (SaaS) | $0.025 per vCPU hour (pay-as-you-go); annual prepaid options available | Everything in Free Tier plus egress gateways, threat detection, enterprise support, 7-day log retention, unlimited users, multi-cluster support. Available via Azure, AWS, and Google Cloud marketplaces; supports monthly pay-as-you-go and annual prepaid allocations. |
| Calico Enterprise | Custom pricing (Contact sales) | Self-managed platform (enterprise support, custom log retention, multi-cluster support). |
Seller details
Tigera, Inc.
San Jose, CA, USA
2016
Private
https://www.tigera.io/
https://x.com/tigeraio
https://www.linkedin.com/company/tigera/
