Top VMware Alternatives: Other Virtualization Options and How to Migrate

Natalí Valle July 16, 2024
- 20 min read

If you’re looking for VMware alternatives, you’ve come to the right place. While VMware has long been established as one of the leading players in the virtualization technology market, a 2024 Gartner study shows that more organizations are increasingly concerned about VMware’s licensing costs.

However, choosing the right option from so many alternatives isn’t always easy. Are there free alternatives? Are they worth it? What about open-source options? Well, we’re here to answer those questions and many others that arise around this topic.

In this blog post, we’ll explore the top VMware alternatives, their pros and cons, main features, and key concepts to help you delve deeper into the core ideas associated with virtualization technology.

Top 13 VMware alternatives

We’ve created a list of just 13 options to help you choose the one that best suits your needs. You’ll find free VMware alternatives, open-source VMware alternatives, and options with paid features.

  1. Microsoft Hyper-V.
  2. Citrix Hypervisor (formerly XenServer).
  3. Oracle VirtualBox.
  4. Red Hat Virtualization (RHV).
  5. Proxmox Virtual Environment (VE).
  6. KVM (Kernel-based Virtual Machine).
  7. Nutanix AHV.
  8. Virtuozzo.
  9. OpenStack.
  10. Parallels Desktop.
  11. SUSE Linux Enterprise Server (SLES).
  12. OpenVZ.
  13. XCP-ng.

#1: Microsoft Hyper-V

There is no surprise with our first pick. Microsoft Hyper-V stands as one of the most prominent VMware alternatives in the virtualization landscape. Developed by Microsoft, this hypervisor is deeply integrated into the Windows Server ecosystem, making it a go-to choice for organizations already invested in Microsoft technologies.

Hyper-V provides robust support for virtual machines (VMs) and containers, ensuring smooth operations for both Windows and Linux environments. Designed with enterprise-grade features like live migration, failover clustering, and dynamic memory allocation, it offers unparalleled flexibility and scalability for businesses of all sizes.

Hyper-V is a paid solution, available as part of the Windows Server licensing or as a standalone option with Windows 10 Pro and Enterprise. While not open source, it offers a compelling value through seamless integration with other Microsoft services, such as Azure and System Center, making it ideal for hybrid cloud environments. Its ease of use and compatibility with familiar Windows tools simplify deployment and management, earning it a solid reputation among IT professionals. These are Microsoft Hyper-V main features: 

1. Live migration

Live migration allows VMs to be transferred between hosts without any downtime. This ensures business continuity during maintenance or unexpected failures, making Hyper-V a dependable choice for high-availability environments.

2. Dynamic memory allocation

Hyper-V dynamically adjusts memory allocation to VMs based on demand. This feature optimizes resource utilization, ensuring that critical workloads get the memory they need without manual intervention.

3. Failover clustering

This feature enables high availability by creating a cluster of Hyper-V hosts. If one host fails, VMs automatically migrate to another host in the cluster, minimizing disruption and ensuring uptime.

4. Nested virtualization

Hyper-V supports running a virtualized environment within another VM. This is particularly useful for testing, development, and training scenarios where multiple layers of virtualization are required.

5. Enhanced Security

Hyper-V includes features like Shielded VMs, which protect virtual machines against unauthorized access. This is particularly valuable in industries where data confidentiality is a top priority.

#2: Citrix Hypervisor

Next on our list is Citrix Hypervisor, formerly known as XenServer, a trusted virtualization platform developed by Citrix Systems. Built on the open-source Xen Project hypervisor, Citrix Hypervisor is widely recognized for its scalability, performance, and support for diverse workloads. It is particularly favored in industries where application virtualization and desktop delivery are critical, as it integrates seamlessly with Citrix's other solutions like Citrix Workspace and Citrix Virtual Apps and Desktops.

Citrix Hypervisor offers both a free edition with core virtualization features and an enterprise version for advanced capabilities like high availability, live patching, and role-based access control. Known for its robust virtualization capabilities and streamlined management, this platform is an excellent choice for businesses looking for a cost-effective, high-performing alternative to VMware. These are Citrix Hypervisor main features: 

1. Scalability and multi-OS support

Citrix Hypervisor supports a wide range of operating systems, including Windows, Linux, and FreeBSD. Its scalability allows it to handle both small deployments and large enterprise environments with thousands of virtual machines.

2. Live migration

With live migration, administrators can move VMs between physical hosts without downtime. This ensures uninterrupted services during maintenance or upgrades, keeping systems operational around the clock.

3. Dynamic workload balancing

Citrix Hypervisor automatically distributes workloads across hosts in a resource pool. This optimizes performance by ensuring resources are evenly allocated, reducing bottlenecks and increasing efficiency.

3. High availability

The platform includes built-in high availability features, ensuring VMs automatically restart on other hosts in the event of hardware failure. This guarantees business continuity even in critical situations.

4. Virtual GPU support

Citrix Hypervisor provides advanced GPU virtualization, enabling virtual machines to leverage physical GPUs for demanding workloads like 3D rendering and artificial intelligence training. This is especially beneficial for organizations in creative or scientific industries.

5. Patching without downtime

Live patching allows administrators to update host systems without rebooting or impacting virtual machines. This feature enhances security and reduces maintenance-related disruptions.

#3: Oracle VirtualBox

Our next pick is Oracle VirtualBox, a versatile and free virtualization platform developed by Oracle Corporation. This open-source solution stands out for its cross-platform compatibility, allowing users to run it on Windows, macOS, Linux, and Solaris. VirtualBox is especially popular among developers and IT professionals for testing and development purposes, as it supports a wide array of guest operating systems. Whether you need to simulate complex network environments or test applications on different operating systems, VirtualBox provides a reliable and cost-effective option.

As a free and open-source tool, Oracle VirtualBox is accessible to anyone, with no licensing fees for personal or commercial use. It offers a user-friendly interface alongside advanced features like snapshotting, virtual networking, and seamless mode, which integrates guest applications with the host operating system. These features make it an ideal choice for small businesses and individuals looking for flexibility without the need for enterprise-level capabilities. These are Oracle VirtualBox's main features:

1. Cross-platform compatibility

VirtualBox works seamlessly across multiple operating systems, including Windows, macOS, Linux, and Solaris. This flexibility ensures that users can test or deploy virtual environments on their preferred platforms without compatibility issues.

2. Snapshot functionality

Snapshots allow users to save the state of a virtual machine and return to it later. This is invaluable for testing, as users can experiment with different configurations or software without risking permanent changes to their environments.

3. Virtual networking

VirtualBox includes robust networking options, enabling users to create complex network configurations within their virtual environments. This feature is perfect for simulating enterprise networks or conducting security testing.

4. Guest Additions

With Guest Additions, VirtualBox enhances the performance of guest operating systems by adding features like shared folders, clipboard sharing, and better video performance. This improves user experience and productivity.

5. Seamless mode

This feature integrates guest applications with the host operating system, allowing users to run applications from different OS environments side by side. It’s particularly useful for running software exclusive to certain operating systems.

#4: Red Hat Virtualization

Red Hat Virtualization (RHV) is a powerful enterprise-grade virtualization solution developed by Red Hat, Inc. Based on the open-source KVM (Kernel-based Virtual Machine) hypervisor, RHV is designed to deliver reliable, scalable, and high-performance virtualization for modern IT infrastructures. It’s widely used by organizations that value robust security, compatibility with Linux ecosystems, and integration with Red Hat’s suite of enterprise tools, such as Red Hat Ansible Automation Platform.

Red Hat Virtualization is a paid platform, offered through Red Hat’s subscription model, which includes enterprise-grade support, security updates, and access to their vast ecosystem of technologies. It’s particularly favored for its ability to seamlessly integrate with open-source environments, making it a top choice for enterprises already utilizing Red Hat technologies. These are Red Hat Virtualization's main features:

1. Enterprise scalability

RHV supports large-scale environments, including hundreds or thousands of virtual machines. It offers advanced resource management tools to ensure optimal performance for demanding workloads.

2. Open-source foundation

Built on the KVM hypervisor, RHV inherits the flexibility, performance, and community-driven innovation of open-source technology. This ensures continuous improvement and adaptation to emerging industry needs.

3. Security and compliance

RHV emphasizes security with features like SELinux integration and secure VM isolation. These tools protect sensitive workloads and help meet compliance standards in regulated industries.

4. Integration with Red Hat ecosystem

Red Hat Virtualization integrates seamlessly with Red Hat Enterprise Linux (RHEL), Red Hat Ansible, and other Red Hat technologies. This ensures compatibility and streamlined management for hybrid and cloud-native environments.

5. Centralized management

The platform offers a centralized management console that simplifies the deployment, monitoring, and administration of virtualized environments. This makes it easier to scale and manage complex infrastructures.

#5: Proxmox Virtual Environment

Proxmox Virtual Environment (Proxmox VE) is an open-source server virtualization platform developed by Proxmox Server Solutions GmbH. This versatile platform combines the KVM hypervisor and LXC containers into a single management interface, allowing users to run VMs and containers side by side. Proxmox VE is renowned for its ease of use, thanks to its web-based interface, and it’s particularly favored by small-to-medium businesses and IT enthusiasts looking for cost-effective virtualization solutions.

Proxmox VE is free and open-source, with an optional subscription for enterprise-grade support and access to a stable repository. Its community-driven development ensures that it remains up-to-date with the latest features and innovations. These are Proxmox VE’s main features:

1. Unified virtualization

Proxmox VE supports both VMs and containers, enabling users to deploy diverse workloads in a single environment. This flexibility is ideal for businesses with varying application requirements.

2. Web-based management interface

The intuitive web interface simplifies the deployment, monitoring, and management of VMs and containers. It allows administrators to perform all tasks without needing extensive command-line experience.

3. Backup and restore

Proxmox VE includes built-in backup and restore tools, ensuring that critical data and workloads can be recovered quickly in case of failures. This enhances data protection and minimizes downtime.

4. Live migration

The platform supports live migration, allowing administrators to move running VMs between hosts without interrupting operations. This is essential for maintenance and workload balancing.

5. High availability cluster

Proxmox VE allows the creation of high availability clusters, ensuring that VMs automatically restart on other nodes in the event of hardware failures. This feature improves system reliability.

6. Storage integration

The platform supports multiple storage options, including local storage, shared storage, and advanced options like Ceph. This flexibility ensures compatibility with diverse IT infrastructures.

#6: KVM (Kernel-based Virtual Machine)

KVM (Kernel-based Virtual Machine) is a free, open-source virtualization technology built directly into the Linux kernel. Developed by Qumranet (acquired by Red Hat), KVM turns Linux into a bare-metal hypervisor, enabling it to run multiple virtual machines with robust performance and efficiency. It’s a favorite among Linux enthusiasts and enterprises that require a highly customizable and scalable virtualization solution.

KVM is entirely free and open-source, making it an attractive option for cost-conscious organizations. With its integration into the Linux ecosystem and support for a wide range of guest operating systems, KVM is a strong alternative to VMware. These are KVM’s main features:

1. Native Linux integration

KVM is built into the Linux kernel, ensuring seamless integration with Linux distributions. This allows users to leverage the power and stability of Linux for virtualization.

2. Broad guest OS support

KVM supports a wide range of guest operating systems, including Windows, Linux, and BSD. This flexibility makes it suitable for diverse virtualization needs.

3. High performance

Thanks to its close integration with Linux, KVM offers near-native performance for VMs. This makes it ideal for resource-intensive applications.

4. Security features

KVM leverages Linux’s security features, such as SELinux and secure virtualization (sVirt), to provide strong isolation between virtual machines. This enhances workload protection.

5. Compatibility with management tools

KVM works well with management tools like OpenStack and oVirt, enabling users to build complex virtualized infrastructures with ease.

#7: Nutanix AHV

Nutanix AHV is a hypervisor developed by Nutanix, a leader in hyper-converged infrastructure (HCI). AHV is tightly integrated into Nutanix’s HCI stack, delivering a simplified, scalable, and highly efficient virtualization solution. Known for its ease of deployment and management, AHV eliminates the need for standalone hypervisors, making it a popular choice for enterprises looking to reduce costs and complexity.

Nutanix AHV is included with Nutanix HCI appliances at no additional licensing cost, making it a cost-effective alternative to VMware. While not open-source, it offers exceptional value for organizations seeking an integrated, turnkey solution. These are Nutanix AHV’s main features:

1. Built-in virtualization

AHV is embedded into the Nutanix HCI platform, removing the need for separate hypervisors. This simplifies deployment and reduces operational complexity.

2. Centralized management

With Nutanix Prism, administrators can manage VMs, storage, and networks from a single interface. This unified approach streamlines IT operations.

3. Security first

AHV includes built-in security features, such as microsegmentation and automated patching, to protect virtualized environments. This reduces risk and enhances compliance.

4. High performance

Optimized for Nutanix hardware, AHV delivers top-tier performance for demanding applications. It ensures low latency and efficient resource utilization.

5. Cost efficiency

Since AHV is bundled with Nutanix appliances, it eliminates the need for additional licensing fees. This reduces total cost of ownership for enterprises.

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#8: OpenStack

OpenStack is a powerful open-source cloud computing platform initially created by NASA and Rackspace Hosting. It provides a comprehensive suite of tools for managing compute, storage, and networking resources in private and public cloud environments. OpenStack is best known for its flexibility and scalability, allowing organizations to build and manage large-scale infrastructures tailored to their specific needs.

As a free and open-source solution, OpenStack is supported by a vibrant community of developers and backed by prominent tech companies, such as Red Hat, IBM, and Canonical. Its modular architecture ensures that organizations can use only the components they need, making it a cost-effective and customizable VMware alternative. These are OpenStack's main features:

1. Modular architecture

OpenStack is composed of modular services (e.g., Nova for compute, Neutron for networking, and Swift for storage), enabling organizations to tailor their cloud environments. This flexibility supports diverse use cases and industries.

2. Scalability

Designed for enterprise-scale environments, OpenStack handles thousands of nodes and VMs, making it ideal for large deployments. This scalability ensures it can grow with organizational needs.

3. API-Driven

OpenStack offers RESTful APIs for managing resources, enabling seamless integration with third-party tools and automation scripts. This facilitates operational efficiency and customization.

4. Multi-Hypervisor Support

OpenStack supports multiple hypervisors, including KVM, Xen, and VMware, giving organizations flexibility in their infrastructure choices. This compatibility enhances its adaptability.

5. Hybrid cloud capabilities

OpenStack supports hybrid cloud configurations, enabling businesses to integrate their on-premises infrastructure with public cloud platforms. This feature offers the best of both worlds for organizations seeking flexibility.

#9: Virtuozzo

Virtuozzo is a virtualization and cloud infrastructure platform developed by Virtuozzo International GmbH. It specializes in containerization and lightweight virtualization, making it a pioneer in offering solutions for efficient resource management. Virtuozzo is widely used by hosting providers, SaaS companies, and enterprises needing flexible and scalable infrastructure solutions.

Virtuozzo is available through a paid licensing model, offering comprehensive features like live migration, high availability, and advanced storage solutions. Known for its efficiency, it supports container and virtual machine virtualization, making it a versatile VMware alternative. These are Virtuozzo’s main features:

1. Container and VM support

Virtuozzo enables organizations to run containers and virtual machines on the same platform, offering flexibility for diverse workloads. This dual approach is ideal for modern, hybrid environments.

2. High availability

Built-in high availability features ensure workloads remain operational during hardware failures or system crashes. This minimizes downtime and enhances reliability.

3. Efficient resource utilization

Virtuozzo optimizes resource allocation, allowing organizations to maximize hardware efficiency. This leads to reduced operational costs and better performance.

4. Integrated backup and recovery

The platform includes built-in tools for data backup and recovery, ensuring quick restoration in case of failures. This enhances data protection and business continuity.

5. Multi-platform support

Virtuozzo supports a wide range of operating systems and hardware configurations, making it a flexible choice for different IT environments.

#10: Parallels Desktop

Parallels Desktop is a popular virtualization platform developed by Parallels, Inc., tailored for macOS users. It allows Mac users to run Windows, Linux, and other operating systems seamlessly alongside macOS. Parallels Desktop is known for its intuitive interface, high performance, and ability to integrate Windows applications directly into the macOS environment.

Parallels Desktop is a paid solution, with different licensing tiers catering to individuals, businesses, and developers. Its ease of use and seamless integration with macOS make it a standout option for professionals who need cross-platform compatibility. These are Parallels Desktop’s main features:

1. Seamless integration

Parallels Desktop enables users to run Windows applications alongside macOS apps without needing to reboot. This integration ensures a smooth and productive workflow for cross-platform users.

2. Optimized for macOS

The platform is specifically designed for macOS, ensuring high performance and compatibility with Apple’s hardware and software ecosystem.

3. Coherence mode

This unique feature allows Windows applications to appear as native macOS apps, blending seamlessly into the Mac desktop environment. It enhances the user experience by eliminating the need for switching between operating systems.

4. Virtual machine snapshots

Parallels Desktop supports snapshots, allowing users to save the state of their virtual machines and return to them later. This is useful for testing and debugging.

5. Developer tools support

Parallels Desktop includes tools like Visual Studio integration and support for Docker, Vagrant, and more, making it a favorite among developers and IT professionals.

3 more alternatives to VMware

SUSE Linux Enterprise Server (SLES)

SUSE Linux Enterprise Server (SLES) is a powerful operating system developed by SUSE that supports virtualization workloads through integration with hypervisors like KVM and Xen. Known for its reliability, scalability, and enterprise-grade features, SLES provides an ideal foundation for running virtualized environments.

OpenVZ

OpenVZ is an open-source container-based virtualization platform developed by Virtuozzo. It allows a single physical server to run multiple isolated operating system instances, known as containers. OpenVZ is known for its lightweight design, offering high performance and efficient resource usage, making it ideal for hosting environments and workloads with consistent resource requirements.

XCP-ng

XCP-ng is an open-source virtualization platform based on XenServer, developed by a thriving community of contributors. Known for its enterprise-level features and cost-efficiency, XCP-ng supports a wide range of workloads, from small business applications to large-scale enterprise environments.

What does Reddit has to say?

In the Reddit discussion titled "Is anyone seriously exploring alternatives to VMware?" users share their experiences and considerations regarding VMware alternatives. Many participants express interest in exploring options like Microsoft Hyper-V, Proxmox VE, and KVM, citing factors such as cost savings, licensing flexibility, and integration with existing infrastructure.

Some users highlight the importance of evaluating the specific needs of their organizations, including performance requirements, support availability, and compatibility with existing systems, before making a transition. For a more in-depth understanding and to read firsthand accounts, you can view the full discussion here:

Understanding virtualization

What is virtualization?

At its core, virtualization enables multiple virtual machines (VMs) to run on a single physical server. This technology creates isolated environments, each with its own operating system and resources, on shared hardware. The result is improved hardware utilization, reduced costs, and increased flexibility in managing IT resources.

Types of virtualization

Virtualization solutions come in several forms:

  • Server virtualization: Divides a physical server into multiple virtual servers.
  • Desktop virtualization: Runs multiple virtual desktops on a single physical machine.
  • Cloud virtualization: Enables virtualization of cloud-based infrastructure and applications.

Migrating to a VMware alternative

Transitioning from VMware to a different virtualization platform requires careful planning and execution. This section breaks down the migration process into manageable steps, providing a comprehensive guide for organizations considering a switch.

1. Planning and preparation

Effective planning and preparation are critical for a successful migration from VMware to a new virtualization platform. Start by assessing the current environment—documenting virtual machines, resource requirements, network configurations, and storage systems—to gain a clear understanding of dependencies. Define migration objectives by setting clear goals, timelines, and budgets to ensure alignment with organizational priorities.

Choose the right alternative by evaluating platforms for compatibility, scalability, security, and cost of ownership, keeping in mind any necessary hardware upgrades. Finally, assemble a skilled migration team, address any training gaps, and consider external consultants to ensure the project is well-supported.

2. Migration and testing

A smooth migration hinges on a detailed plan and rigorous testing. Begin with a migration plan that prioritizes workloads, outlines each step, and includes rollback procedures to handle unexpected challenges. Set up the new environment by installing and configuring the chosen platform, ensuring proper integration with existing tools.

Select a data migration strategy that suits your needs, such as live migration or physical-to-virtual (P2V) conversion, while synchronizing data between environments. Validate the new setup by testing compatibility, performance, and high-availability features in a controlled environment. Execute the migration gradually, starting with non-critical systems and monitoring performance to minimize disruptions.

3. Post-migration tasks

Post-migration efforts focus on optimization, documentation, and long-term stability. Fine-tune resource allocation and apply platform-specific optimizations to improve performance. Update all system documentation and standard operating procedures to reflect the new environment, ensuring IT staff have clear guidelines for troubleshooting and management.

Provide training on the new platform to equip the team with necessary skills and knowledge. Review security policies, conduct a thorough audit, and ensure compliance with industry standards. Finally, establish robust monitoring and reporting mechanisms to track system health and performance, enabling continuous improvement and scalability for future growth.

Conclusion

VMware alternatives offer diverse options for businesses seeking to optimize their virtualization environments. Those considering a switch should carefully evaluate their needs, select the right platform, and follow a structured migration process.

Making the right transition can potentially reduce costs, provide security enhancements, improve scalability, and enhance overall IT efficiency. The best strategy is to stay informed about available options since alternative solutions could emerge that better support your organization's unique requirements and goals.

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