Best OpenNebula Alternatives & Competitors in 2025

Proxmox is an open-source server virtualization management solution that offers the ability to manage virtual server technology with the Linux OpenVZ and KVM technology.

Key Proxmox VE features:

Open-Source Cost-Effective Comprehensive Feature Set Integrated Web-Based GUI

oVirt is a virtualization management application.

Key oVirt features:

Open Source Feature-Rich Scalability Community Support

Open Source

SysAid is a robust IT Service Management (ITSM) platform powered by Agentic AI, automating the repetitive, time-consuming work.

Key SysAid features:

Helpdesk Automation Workflow Automation Service order workflow CMDB

Try for free paid Free Trial

100% Open Source based cloud solution for your own private IaaS based on OpenStack, Kubernetes and Ceph

Key c12n.cloud features:

Fully Private Fully Open Source Fully Automated 0% License Fee Nonsense

Open Source freemium

VMmanager is a QEMU/KVM server virtualization management software, which presents perfect tools for creating virtual machines, providing VPS services, and building cloud infrastructure.

Key VMmanager features:

User-friendly Interface Automated Provisioning Scalability Resource Management

paid Free Trial

A fully open source and community backed alternative, with all current commercial features enabled...

Key XCP-ng features:

Open Source Enterprise Features Active Community Xen Hypervisor

Open Source

VMware ESXi is a bare metal hypervisor that installs easily on to your server and partitions it into multiple virtual machines. Discover what it can do for you today

Key VMware ESXi features:

Stability and Reliability Bare-Metal Hypervisor Resource Efficiency Advanced Features

OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.

Key OpenStack features:

Open Source Flexibility Scalability Vendor Neutrality

Open Source

CloudStack is an open source cloud computing software for creating, managing, and deploying infrastructure cloud services.

Key Apache CloudStack features:

Open Source Hybrid Cloud Capability Scalable Multi-Hypervisor Support

Open Source

VMware vCenter Server provides a centralized platform for managing your VMware vSphere environments.

Key VMware vCenter features:

Centralized Management High Availability Scalability Advanced Automation

Get started with VMware vSphere editions, the world’s leading server virtualization platform and the best foundation for your apps, your cloud, and your business.

Key vSphere features:

High Availability Scalability Advanced Resource Management Security

Virtkick is a Software as a Service VPS control panel and your company’s storefront.

Key Virtkick features:

User-friendly Interface Integrated Billing Multi-platform Support Automated Provisioning

Virtualizor is a powerful web based VPS Control Panel.

Key Virtualizor features:

Ease of Use Wide Range of Supported Hypervisors Scalability API Integration

Solus Virtual Manager (SolusVM) is a powerful GUI based VPS management system with full OpenVZ...

Key SolusVM features:

User-Friendly Interface Multi-Virtualization Support Comprehensive Resource Management Reseller Capabilities