List of the Top 2 Free Network Virtualization Software in 2025

ZeroTier revolutionizes networking by establishing a secure overlay that allows all your devices to function as if they’re on the same local network. The setup process is quick and straightforward, allowing users to manage even the most intricate networks with ease, regardless of the geographical locations of their devices. Notable advantages of ZeroTier encompass: Facilitating private global networks specifically designed for IoT applications. Enhancing connections across various locations through software-defined networking. Supplanting conventional VPNs to provide a secure link for employees to critical systems. Opt for ZeroTier to experience fast, adaptable, and secure networking solutions that align with the needs of modern global enterprises while ensuring seamless connectivity for all users.

The Azure Network Function Manager provides a comprehensive management platform for authorized mobile network functions, streamlining the deployment of private LTE and 5G networks. This service guarantees a seamless experience from cloud to edge, supporting marketplace network functions such as SD-WAN. Users can effortlessly establish secure, on-premises private mobile networks for 5G or LTE by choosing from a variety of mobile packet core network function partners available through the Azure portal. These networks are characterized by minimal latency, making them particularly suitable for time-sensitive applications in fields like augmented reality, virtual reality, and industrial automation. Additionally, it enhances the setup and oversight of SD-WAN and VPN solutions at the edge through a wide-ranging partner ecosystem. For an authentic hybrid connectivity experience, users can leverage the Azure Marketplace to select from a curated collection of validated network functions, ensuring optimal performance with Azure and Azure Virtual WAN while improving compatibility with Azure Stack Edge. By incorporating these functionalities, organizations can fully harness the adaptability and effectiveness of their networking solutions, driving innovation and operational efficiency. This unified approach allows businesses to respond swiftly to evolving demands and maintain a competitive edge in the market.