OpenNebula VS Apache CloudStack

Which is more popular?

Based on our record, OpenNebula should be more popular than Apache CloudStack. It has been mentioned 11 times since March 2021.

social mentions: 11 vs 6
Cloud Computing popularity: 57% vs 43%
alternatives listed: 70 vs 92

Base details

Website, pricing, platforms and company facts side by side.

	OpenNebula	Apache CloudStack
Website	opennebula.io	cloudstack.apache.org
Pricing	Open source Freemium Free trial $3,000 / Annually ( Unlimited CPUs, Cores, VMs. Plus €200 ($250) per managed node ) Official pricing	Open source
Platforms	Hypervisors VMWare KVM LXD Cloud Edge Docker Azure Linux +6	—
Company	Startup from Spain · 50 - 99 employees · 2008	—
Listed in	Cloud Computing Virtualization Platform IT Automation Open Source Open Source Cloud Containers As A Service Cloud Infrastructure +4	VPS Cloud Computing VPS Hosting Cloud Infrastructure +1

Features and specs

What each product offers, as listed by its team.

OpenNebula 5 features

Apache CloudStack 5 features

Cloud Automation
Cloud-based Infrastructure
Open-source
Kubernetes Integration
Edge

Open Source
Apache CloudStack is open source, meaning there is no licensing cost and the community can contribute to its development, which fosters innovation and adaptation.
Hybrid Cloud Capability
It supports hybrid cloud environments, allowing for integration with public cloud providers and providing flexibility in managing diverse resources.
Scalable
CloudStack is designed to handle large deployments, making it suitable for scaling from small to very large cloud deployments.
Multi-Hypervisor Support
Supports multiple hypervisors like VMware, KVM, and XenServer, providing freedom to choose the underlying virtualization technology.
Robust API
Offers a comprehensive and robust API, which facilitates automation and integration with other systems and tools.

Possible disadvantages

Steep Learning Curve
Due to its vast array of features and complex architecture, it can be challenging for newcomers to grasp and configure efficiently.
Community Support
While there is a community for support, it might not be as extensive or responsive as commercial solutions with dedicated support.
Limited Advanced Features
Compared to some commercial cloud platforms, Apache CloudStack may lack certain advanced features or cutting-edge integrations.
Upgrading Complexity
Upgrading existing deployments can be complex and may require significant planning to ensure smooth transitions without downtime.
Customization Challenges
Although highly configurable, customizing CloudStack for specific needs might require deep expertise and can be resource-intensive.

Videos

Walkthroughs and reviews on video.

OpenNebula 3 videos + Add

Apache CloudStack 3 videos + Add

Introduction to OpenNebula

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

OpenNebula

Apache CloudStack

57% 57%

Cloud Computing

43% 43%

82% 82%

Virtualization Platform

18% 18%

0% 0%

VPS

100% 100%

IT Automation

0% 0%

User comments

Share your experience with using OpenNebula and Apache CloudStack. For example, how are they different and which one is better?

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

OpenNebula 11 mentions

Apache CloudStack 6 mentions

Ask HN: What are people doing to get off of VMware?
Happily want to give some options: * DIY w/ KVM/Xen * DIY w/ OpenStack - https://www.openstack.org/ * ProxMox - https://https://www.proxmox.com/en/ * Paid OpenStack through one of their partners -... - Source: Hacker News / 12 months ago
Top 10 European Open-Source Projects to Watch in 2025
Supports Kubernetes for cloud-native uses. Discover more by visiting the OpenNebula official website. - Source: dev.to / over 1 year ago
Euro-cloud provider Anexia moves 12,000 VMs off VMware to homebrew KVM platform
Or just use https://opennebula.io/ based on KVM, still works with vmware if needed. ~20 year old project. It has legs. - Source: Hacker News / almost 2 years ago

Linux from the user's perspective - Part1: Installing Linux
Xen + CloudStack - you'll know if you need it. - Source: dev.to / over 1 year ago
Continuing the Search: Open-Source Alternatives to AWS Services
You can try https://cloudstack.apache.org which has a great UI, CLI, APIs, tooling (Ansible, Terraform etc.) and support for CloudStack Kubernetes Service and CAPC (https://cluster-api-cloudstack.sigs.k8s.io/). CloudStack is also... Source: over 3 years ago
Common OpenSource Cloud OS
CloudStack is cloud computing software for creating, managing, and deploying public as well as private IaaS clouds. It uses several hypervisors such as KVM, vSphere, and XenServer/XCP for virtualization. It supports some key features... Source: over 3 years ago