Best Server Virtualization Software - Page 4

How Many Server Virtualization Software Products Does G2 Track?

Total Products under this Category: 117

Category Stats (Oct 2026)

  • Average Rating: 4.3/5 (↓0.01 vs Sep 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Verge.io (+1.78%) - Among all products in this category, Verge.io recorded the largest rating increase compared to last month

Last updated: October 20, 2026

How Does G2 Rank Server Virtualization Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 9,100+ Authentic Reviews
  • 117+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Server Virtualization Software

G2 Grid® for Server Virtualization Software plotting products by satisfaction and market presence

Highlighted products: VMware Cloud Foundation (VCF), VMware vSphere, Ubuntu, Sangfor Cloud Platform, SC// HyperCore Virtualization Suite, Google Compute Engine, Red Hat Enterprise Linux, and Nutanix Cloud Infrastructure (NCI).

Underlying data: [Grid® JSON](https://www.g2.com/categories/server-virtualization/grids.json?focus%5B%5D=vmware-cloud-foundation-vcf&focus%5B%5D=vmware-vsphere&focus%5B%5D=ubuntu&focus%5B%5D=sangfor-cloud-platform&focus%5B%5D=sc-hypercore-virtualization-suite&focus%5B%5D=google-compute-engine&focus%5B%5D=red-hat-enterprise-linux&focus%5B%5D=nutanix-cloud-infrastructure-nci)

IBM Secure Virtualization

IBM Cloud Secure Virtualization combines the power of IBM Cloud, VMware Cloud Foundation, HyTrust security software, and Intel TXT-enabled hardware to protect virtualized workloads down to the microchip level

Average Rating: 4.4/5.0

Total Reviews: 10

How Do G2 Users Rate IBM Secure Virtualization?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.6/10)
  • OS Integration: 7.5/10 (Category avg: 8.8/10)
  • Scalability: 8.3/10 (Category avg: 8.9/10)
  • Resource Saving: 7.5/10 (Category avg: 8.9/10)

Who Is the Company Behind IBM Secure Virtualization?

  • Seller: IBM
  • Year Founded: 1911
  • HQ Location: Armonk, New York, United States
  • Twitter: @IBMSecurity
    74,660 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    344,328 employees on LinkedIn®
  • Ownership: SWX:IBM

Who Uses This Product?

  • Company Size: 50% Small, 30% Large

What Are Recent G2 Reviews of IBM Secure Virtualization?

Xen Project

The Xen Project serves as the basis for many commercial server virtualization, desktop and embedded products as well as hardware appliances and cloud solutions.

Average Rating: 4.4/5.0

Total Reviews: 5

How Do G2 Users Rate Xen Project?

  • Has the product been a good partner in doing business?: 8.8/10 (Category avg: 8.6/10)

Who Is the Company Behind Xen Project?

  • Seller: The Linux Foundation
  • Year Founded: 2015
  • HQ Location: San Francisco, US
  • Twitter: @hyperledger
    299 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    95 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 80% Small, 20% Medium

What Are Recent G2 Reviews of Xen Project?

Cisco NFV

Cisco NFV is a software that runs functions on general-purpose hardware, Take functions in and out of service, scale easily, Automates service delivery with orchestration, Get the NFV infrastructure and functions you need, Automates services delivery on multivendor products.

Average Rating: 4.9/5.0

Total Reviews: 4

How Do G2 Users Rate Cisco NFV?

  • OS Integration: 10.0/10 (Category avg: 8.8/10)
  • Scalability: 10.0/10 (Category avg: 8.9/10)
  • Resource Saving: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Cisco NFV?

  • Seller: Cisco
  • Year Founded: 1984
  • HQ Location: San Jose, CA
  • Twitter: @Cisco
    720,366 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    95,294 employees on LinkedIn®
  • Ownership: NASDAQ:CSCO

Who Uses This Product?

  • Company Size: 75% Medium, 25% Large

What Are Recent G2 Reviews of Cisco NFV?

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Icecast

Icecast is a GPL streaming media server that currently streams in MP3 format.

Average Rating: 4.8/5.0

Total Reviews: 4

How Do G2 Users Rate Icecast?

  • Has the product been a good partner in doing business?: 8.9/10 (Category avg: 8.6/10)
  • OS Integration: 10.0/10 (Category avg: 8.8/10)
  • Scalability: 10.0/10 (Category avg: 8.9/10)
  • Resource Saving: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Icecast?

  • Seller: Xiph.Org
  • Year Founded: 1994
  • HQ Location: United States
  • LinkedIn® Page: www.linkedin.com
    5 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Icecast?

What Are G2 Users Discussing About Icecast?

IBM Open Data Analytics for z/OS

IBM® Open Data Analytics for z/OS® integrates key open-source analytics technologies with advanced data access and abstraction services. The solution is designed to simplify data analysis. It combines open-source run times and libraries with analysis of z/OS data at its source, to reduce data movement and increase the value of insights gained from leveraging current data.

Average Rating: 4.3/5.0

Total Reviews: 3

How Do G2 Users Rate IBM Open Data Analytics for z/OS?

  • Has the product been a good partner in doing business?: 7.5/10 (Category avg: 8.6/10)

Who Is the Company Behind IBM Open Data Analytics for z/OS?

  • Seller: IBM
  • Year Founded: 1911
  • HQ Location: Armonk, New York, United States
  • Twitter: @IBMSecurity
    74,660 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    344,328 employees on LinkedIn®
  • Ownership: SWX:IBM

Who Uses This Product?

  • Company Size: 50% Medium, 25% Large

What Are Recent G2 Reviews of IBM Open Data Analytics for z/OS?

What Are G2 Users Discussing About IBM Open Data Analytics for z/OS?

IBM Spectrum Virtualize

IBM Spectrum Virtualize provides an ideal way to manage and protect the volumes of data organizations use for big-data analytics and new cognitive workloads.

Average Rating: 4.1/5.0

Total Reviews: 6

How Do G2 Users Rate IBM Spectrum Virtualize?

  • Has the product been a good partner in doing business?: 7.9/10 (Category avg: 8.6/10)
  • OS Integration: 8.3/10 (Category avg: 8.8/10)
  • Scalability: 8.3/10 (Category avg: 8.9/10)
  • Resource Saving: 8.3/10 (Category avg: 8.9/10)

Who Is the Company Behind IBM Spectrum Virtualize?

  • Seller: IBM
  • Year Founded: 1911
  • HQ Location: Armonk, New York, United States
  • Twitter: @IBMSecurity
    74,660 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    344,328 employees on LinkedIn®
  • Ownership: SWX:IBM

Who Uses This Product?

  • Company Size: 57% Small, 29% Medium

What Do G2 Reviewers Say About IBM Spectrum Virtualize?

AI-generated summary from verified user reviews

Pros
  • Users value the seamless integration of IBM Spectrum Virtualize, enhancing compatibility with diverse storage hardware.
  • Users value the easy integrations of IBM Spectrum Virtualize, enhancing compatibility with various storage hardware seamlessly.
  • Users appreciate the seamless integration with existing infrastructure and the support for diverse storage hardware.
  • Users value the seamless integration capabilities of IBM Spectrum Virtualize, enhancing compatibility with various storage hardware.
  • Users appreciate the seamless integration of IBM Spectrum Virtualize, effectively enhancing their existing infrastructure and storage solutions.
Cons
  • Users find the complex usability of IBM Spectrum Virtualize requires a steep learning curve for newcomers.
  • Users find the difficult learning curve of IBM Spectrum Virtualize challenging, especially for those unfamiliar with its interface.
  • Users find the poor UI design complex, leading to a challenging learning curve for newcomers to the system.
  • Users report a steep learning curve for new users due to the complex user interface, impacting the initial experience.
  • Users find the complex user interface can create a steep learning curve for newcomers to IBM Spectrum Virtualize.

What Are Recent G2 Reviews of IBM Spectrum Virtualize?

What Are G2 Users Discussing About IBM Spectrum Virtualize?

oVirt

oVirt is an open-source distributed virtualization solution, designed to manage your entire enterprise infrastructure. oVirt uses the trusted KVM hypervisor and is built upon several other community projects, including libvirt, Gluster, PatternFly, and Ansible.

Average Rating: 4.2/5.0

Total Reviews: 3

Who Is the Company Behind oVirt?

Who Uses This Product?

  • Company Size: 67% Small, 33% Large

What Are Recent G2 Reviews of oVirt?

Verge.io

VergeOS by VergeIO is a Private Cloud Operating System (Private Cloud OS) designed to replace legacy virtualization stacks and assist organizations in modernizing their infrastructure while transitioning away from platforms like VMware. This innovative solution integrates compute, storage, networking, and data protection capabilities into a single software platform, allowing it to run directly on standard x86 servers. By consolidating these functionalities, VergeOS simplifies the management of IT resources and enhances operational efficiency. Traditional virtualization environments often rely on layered architectures, where separate components handle compute, storage, and networking, leading to increased complexity and costs. This fragmentation can hinder the modernization efforts of organizations, especially those seeking alternatives to VMware. By replacing only the hypervisor, companies may still encounter operational challenges and fail to realize the full benefits of an integrated system. VergeOS addresses these issues by offering a unified Private Cloud OS that incorporates all necessary functionalities within a single architecture. At the heart of VergeOS is its enterprise-grade server virtualization, which enables organizations to run virtual machines across clusters of standard hardware. The built-in storage virtualization aggregates internal disks from servers into a resilient distributed storage layer, eliminating the need for external storage area networks (SAN) while still supporting FC attached SANs if required. Additionally, the integrated software-defined networking capabilities provide essential services such as segmentation, routing, and automation without the need for separate networking platforms, thereby streamlining operations. The unified design of VergeOS not only enhances infrastructure efficiency but also allows organizations to maximize their existing resources. By reducing overhead and simplifying operations, more CPU, memory, and storage capacity can be allocated to actual workloads rather than maintaining disparate infrastructure components. For organizations looking to exit VMware, VergeOS facilitates migration with built in tools, without necessitating a complete data center overhaul. Existing servers, regardless of vendor or generation, can often be reused, allowing for modernization without incurring the costs of a hardware refresh. Furthermore, VergeOS includes integrated data protection features such as snapshots, replication, and disaster recovery orchestration, which eliminates the need for separate backup solutions. This consolidation not only reduces costs but also enhances visibility and recovery speed for IT teams, resulting in a more predictable environment for automation and infrastructure management. As organizations strive for cloud-like agility within their data centers, VergeOS provides a practical and sustainable alternative, transforming traditional virtualized infrastructure into a modern private cloud platform.

Average Rating: 4.8/5.0

Total Reviews: 4

How Do G2 Users Rate Verge.io?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.6/10)
  • OS Integration: 8.3/10 (Category avg: 8.8/10)
  • Scalability: 8.3/10 (Category avg: 8.9/10)
  • Resource Saving: 7.5/10 (Category avg: 8.9/10)

Who Is the Company Behind Verge.io?

  • Seller: Verge.io
  • Company Website:
  • HQ Location: Greater Detroit Area, US
  • Twitter: @VergeIO_Inc
    482 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    42 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 75% Medium, 25% Large

What Do G2 Reviewers Say About Verge.io?

AI-generated summary from verified user reviews

Pros
  • Users value the automation capabilities of Verge.io, making management and scaling seamless and efficient.
  • Users value the centralized management of Verge.io for its intuitive interface and effortless monitoring of virtual machines.
  • Users find the ease of use in Verge.io exceptional, simplifying management and monitoring of virtual machines effortlessly.
  • Users value the responsive and knowledgeable hardware support of Verge.io, enhancing troubleshooting and scalability effortlessly.
  • Users find the setup process incredibly straightforward, making Verge.io easy to manage and monitor.
Cons
  • Users feel there is a lack of advanced reporting and analytics features that hinders effective data analysis.

What Are Recent G2 Reviews of Verge.io?

VMLite Workstation

VMLite Workstation is a virtualization component of VMLite that enables you to run multiple operating systems simultaneously. VMLite Workstation runs the operating system and applications directly on top of an existing operating system without any modification.

Average Rating: 4.2/5.0

Total Reviews: 3

How Do G2 Users Rate VMLite Workstation?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.6/10)

Who Is the Company Behind VMLite Workstation?

  • Seller: VMLite
  • HQ Location: N/A
  • Twitter: @vmlite
    70 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Large, 33% Medium

What Are Recent G2 Reviews of VMLite Workstation?

What Are G2 Users Discussing About VMLite Workstation?

UCS Virtual Machine Manager

UCS Virtual Machine Manager (UVMM) is an easy-to-use and cost-efficient management tool to virtualize IT infrastructures and centrally manage your (hybrid) cloud environments. Using the hypervisor KVM as the underlying virtualization technology, UVMM lets you create, manage and remove virtualized servers and machines from any environment (Microsoft Windows, UCS and other Linux distributions). UVMM is an integrated administrative tool, which you can access via the management system of our server operating and management solution Univention Corporate Server (UCS). It manages all virtualized resources including OpenStack and Amazon EC2-based cloud resources via a a modern and integral web interface. Overview of important functions: Virtualization of Microsoft Windows, UCS and other Linux distros; High degree of flexibility with virtualization technology KVM thanks to standardized virtualization interface Libvirt; Next to local virtualization servers, UVMM also manages cloud computing environments based on OpenStack or Amazon EC2. This allows the out-of-the-box setup of hybrid cloud scenarios with UCS. Comprehensive functions for the creation and central administration of virtual instances and hard drives, such as the starting, stopping, pausing, deleting, migrating and cloning of virtual systems; Integral, standardized administration interface for the virtualization technology KVM; Status overviews for physical servers and virtual instances at a glance: the administrator receives an overview of the resource utilization of the physical servers and the available virtual instances on them (CPU and memory utilization); Quick set-up of new virtual instances using pre-configured, adaptable profiles; Central administration of hard drive images; Migration of running virtual instances from one physical server to another; Central administration of clustered servers; Support of paravirtualization for more efficient hardware utilization.

Average Rating: 4.0/5.0

Total Reviews: 2

How Do G2 Users Rate UCS Virtual Machine Manager?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.6/10)
  • OS Integration: 8.3/10 (Category avg: 8.8/10)
  • Scalability: 8.3/10 (Category avg: 8.9/10)
  • Resource Saving: 8.3/10 (Category avg: 8.9/10)

Who Is the Company Behind UCS Virtual Machine Manager?

  • Seller: Univention
  • Year Founded: 2002
  • HQ Location: Bremen, DE
  • Twitter: @univention
    1,510 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    63 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Small

What Are Recent G2 Reviews of UCS Virtual Machine Manager?

Alibaba Auto Scaling

Auto Scaling is a service to automatically adjust computing resources based on your volume of user requests. When demand for computing resources increase, Auto Scaling automatically adds ECS instances to serve additional user requests, or alternatively removes instances in the case of decreased user requests.

Average Rating: 3.8/5.0

Total Reviews: 2

Who Is the Company Behind Alibaba Auto Scaling?

  • Seller: Alibaba
  • HQ Location: Hangzhou
  • Twitter: @alibaba_cloud
    1,189,812 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    5,321 employees on LinkedIn®
  • Ownership: BABA
  • Total Revenue (USD mm): $509,711

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About Alibaba Auto Scaling?

AI-generated summary from verified user reviews

Pros
  • Users value the dynamic scaling mode that adjusts based on infrastructure utilization, enhancing efficiency and performance.
  • Users value the dynamic scaling feature for optimizing resource usage based on infrastructure needs.
Cons
  • Users find the poor documentation for working with AWS/GCP challenging for developers integrating Alibaba Auto Scaling.

What Are Recent G2 Reviews of Alibaba Auto Scaling?

What Are G2 Users Discussing About Alibaba Auto Scaling?

Apache VCL

Apache VCL is a free & open-source cloud computing platform with the primary goal of delivering dedicated, custom compute environments to users.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate Apache VCL?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.6/10)

Who Is the Company Behind Apache VCL?

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Apache VCL?

What Are G2 Users Discussing About Apache VCL?

Contrail

Contrail offers intelligent automation, application security, and always-on reliability for cloud and Network Functions Virtualization (NFV).

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate Contrail?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.6/10)
  • OS Integration: 10.0/10 (Category avg: 8.8/10)
  • Scalability: 10.0/10 (Category avg: 8.9/10)
  • Resource Saving: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Contrail?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Contrail?

What Are G2 Users Discussing About Contrail?

Datacore SDS

We offer Storage Virtualization using Datacore Software Defined Solutions and Data Recovery Services. We can help you virtualize your storage so you can save costs on hardware adquisition.

Average Rating: 2.5/5.0

Total Reviews: 1

How Do G2 Users Rate Datacore SDS?

  • OS Integration: 8.3/10 (Category avg: 8.8/10)
  • Scalability: 8.3/10 (Category avg: 8.9/10)
  • Resource Saving: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Datacore SDS?

  • Seller: DataCore Software
  • Year Founded: 1998
  • HQ Location: Ft. Lauderdale, FL
  • Twitter: @DataCore
    9,771 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    360 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

Dedicated Server

We offer three types of Dedicated Servers: Custom Servers – Versatile servers with a broad range of specifications, ideal for businesses needing tailored solutions. NVMe Servers – High-performance servers designed for speed and efficiency, perfect for demanding tasks. Storage Servers – Optimized for data storage, providing ample space to secure and manage your files effectively. For more detailed information, please follow the provided link.

Average Rating: 3.0/5.0

Total Reviews: 1

How Do G2 Users Rate Dedicated Server?

  • OS Integration: 5.0/10 (Category avg: 8.8/10)
  • Scalability: 5.0/10 (Category avg: 8.9/10)
  • Resource Saving: 6.7/10 (Category avg: 8.9/10)

Who Is the Company Behind Dedicated Server?

  • Seller: MivoCloud
  • Year Founded: 2014
  • HQ Location: Chisinau, MD
  • Twitter: @MivoCloud
    608 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    9 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About Dedicated Server?

AI-generated summary from verified user reviews

Pros
  • Users value the quick and reliable customer support, making their experience with the Dedicated Server seamless.
  • Users value the customization options of Dedicated Servers, allowing tailored solutions for performance and resource management.
  • Users value the efficiency of Dedicated Servers, enabling seamless performance and superior resource management for demanding tasks.
  • Users value the reliability of the Dedicated Server, enabling consistent performance and seamless operation for heavy workloads.
  • Users value the high security features of Dedicated Servers, ensuring their data remains protected and managed effectively.
Cons
  • Users find the cost management challenging due to additional support fees and underutilized server expenses.
  • Users note the high costs associated with dedicated servers, especially with setup and ongoing support expenses.
  • Users experience significant performance issues, facing challenges with setup, management, and underutilization costs.
  • Users face scaling issues with dedicated servers, finding setup and management cumbersome and costly during low traffic.
  • Users often face update issues, which complicate management and increase overall costs despite underutilized resources.
Tian Lin
TL
Researched and written by Tian Lin
Updated October 3, 2024