Best Free Data Center Networking Solutions

ManageEngine OpManager is a robust data center networking solution that provides comprehensive visibility and control over the entire data center infrastructure. It enables real-time monitoring of critical components such as switches, routers, firewalls, load balancers, servers, and storage devices, ensuring optimal performance and uptime. With capabilities like automated network discovery, topology mapping, fault detection, bandwidth analysis, and intelligent alerting, OpManager helps data center teams proactively identify issues, prevent downtime, and optimize resource utilization. Its scalable architecture and support for multi-vendor environments make it an ideal choice for managing complex, high-density data center networks efficiently.

Calico is an open-source networking and network security solution for containers, virtual machines, and native host-based workloads. Calico supports a broad range of platforms including Kubernetes, OpenShift, Mirantis Kubernetes Engine (MKE), OpenStack, and bare metal services. Whether you opt to use Calico's eBPF data plane or Linux’s standard networking pipeline, Calico delivers blazing-fast performance with true cloud-native scalability. Calico provides developers and cluster operators with a consistent experience and set of capabilities whether running in the public cloud or on-prem, on a single node, or across a multi-thousand-node cluster. Calico gives you a choice of data planes, including a pure Linux eBPF data plane, a standard Linux networking data plane, and a Windows HNS data plane. Whether you prefer the cutting-edge features of eBPF or the familiarity of the standard primitives that existing system administrators already know, Calico has you covered.