# OpenNebula vs OpenStack Comparison

---
## Frequently Asked Questions

### What is the difference between OpenNebula vs OpenStack?

OpenNebula is distinguished by its higher Ease of Use score and overall G2 rating, while OpenStack is more widely reviewed and offers broader support and customization options.

| [OpenNebula](https://www.g2.com/products/opennebula/reviews) | [OpenStack](https://www.g2.com/products/openstack/reviews) |
| --- | --- |
| 4.4/5 (10 reviews) | 4.2/5 (53 reviews) |
| — | — |
| — | 4.6 |
| 6.9 | 7.0 |
| Simplicity and fast VM provisioning | Full control, flexibility, and broad feature set |



### How do the pricing models of OpenNebula and OpenStack compare?

OpenNebula is favored for value by reviewers, as indicated by its higher Ease of Use and cost-saving benefits, while OpenStack is praised for being open source and free but noted for complexity in setup.

- **OpenNebula:** In recent reviews, many reviewers highlight cost savings and ease of use, noting that it saves hardware costs and is easy to deploy and manage without formal training.
- **OpenStack:** Reviewers consistently mention that OpenStack is open source and free, making it attractive for organizations seeking to avoid licensing costs, but they also note that its complexity can increase the total cost of ownership due to required expertise and maintenance.



### What are the best alternatives to OpenNebula and OpenStack?

CloudStack, DigitalOcean, and OpenNebula are the top alternatives to OpenStack.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [OpenNebula](https://www.g2.com/products/opennebula/reviews) | 4.4/5 (10 reviews) | — | Cost savings and easy deployment | Simplicity and fast VM provisioning |
| [OpenStack](https://www.g2.com/products/openstack/reviews) | 4.2/5 (53 reviews) | — | Open source and free, but complex setup | Full control, flexibility, and broad feature set |
| [CloudStack](https://www.g2.com/products/apache-cloudstack/reviews) | 4.4/5 (27 reviews) | Enterprise | — | — |
| [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) | 4.6/5 (756 reviews) | Small-Business | — | — |



### Which Infrastructure as a Service (IaaS) features should I prioritize when comparing OpenNebula and OpenStack?

Buyers should prioritize Ease of Use, Quality of Support, Meets Requirements, Ease of Setup, and Ease of Admin when comparing OpenNebula and OpenStack.

- **Ease of Use:** OpenNebula scores 9.0, OpenStack scores 6.8.
- **Quality of Support:** OpenNebula scores 6.9, OpenStack scores 7.0.
- **Meets Requirements:** OpenNebula scores 8.3, OpenStack scores 8.5.
- **Ease of Setup:** OpenStack scores 4.6; OpenNebula not rated.
- **Ease of Admin:** OpenStack scores 6.2; OpenNebula not rated.



### What are the pros and cons of OpenNebula vs OpenStack?

OpenNebula's headline strength is simplicity and fast VM provisioning, while OpenStack's is full control and flexibility for large-scale cloud environments.

- **OpenNebula strengths:** Simplicity in understanding and managing master/worker nodes, rapid VM provisioning, easy deployment, and cost savings on hardware.
- **OpenNebula trade-offs:** Documentation and knowledge base require improvement, limited scalability for very large deployments, and basic security mechanisms.
- **OpenStack strengths:** Full control over cloud infrastructure, flexibility, broad feature set, strong open-source community, and support for hybrid and multi-region deployments.
- **OpenStack trade-offs:** Complex setup and maintenance, steep learning curve, stability concerns at large scale, and documentation can be overwhelming or outdated.



### Is OpenNebula or OpenStack better for small businesses?

OpenNebula is better suited for small businesses, as reflected in reviewer sentiment and its ease of use.

- **OpenNebula:** Reviewers highlight its simplicity, quick onboarding without formal training, and cost savings, making it attractive for small teams and organizations with limited resources.
- **OpenStack:** Reviewers note that while OpenStack is open source and free, its complexity and need for technical expertise make it more suitable for organizations with dedicated IT resources.



### Which Infrastructure as a Service (IaaS) platform has better integrations?

OpenStack is favored for integrations, with reviewers citing its ability to integrate with many third-party vendor software.

- **OpenNebula:** No recent reviewer-cited integrations are mentioned.
- **OpenStack:** In recent reviews, reviewers mention integration with many third-party vendor software and highlight its flexibility for hybrid-cloud and multi-region solutions.



### How do OpenNebula and OpenStack compare on customer support?

OpenNebula and OpenStack are at parity on Quality of Support, with scores of 6.9 and 7.0 respectively, which is below the materiality threshold for a meaningful difference.

- **OpenNebula:** Reviewers describe support as helpful, with some noting the need for improved documentation and knowledge base.
- **OpenStack:** Reviewers consistently mention strong community support, active forums, and a wide range of documentation, though some note that the volume of information can be overwhelming.



### Which is easier to implement, OpenNebula or OpenStack?

OpenNebula is easier to implement than OpenStack, as reflected in reviewer sentiment and higher Ease of Use scores, while OpenStack's Ease of Setup score is 4.6.

- **OpenNebula:** Reviewers consistently highlight straightforward installation, quick onboarding, and minimal need for formal training.
- **OpenStack:** Reviewers frequently mention complex setup, a steep learning curve, and the need for significant technical expertise to deploy and maintain the platform.



| | OpenNebula | OpenStack | 
|---|---|---|
| **Star Rating** | 4.4 out of 5 | 4.2 out of 5 | 
| **Total Reviews** | 10 | 53 | 
| **Largest Market Segment** | Mid-Market (70.0% of reviews) | Enterprise (48.1% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | 


---
## Ratings Comparison
| Rating | OpenNebula | OpenStack | 
|---|---|---|
  | **Meets Requirements** | 8.3 (7 reviews) | 8.5 (47 reviews) | 
  | **Ease of Use** | 9.0 (7 reviews) | 6.8 (48 reviews) | 
  | **Ease of Setup** | Not enough data | 4.6 (33 reviews) | 
  | **Ease of Admin** | Not enough data | 6.2 (33 reviews) | 
  | **Quality of Support** | 6.9 (6 reviews) | 7.0 (46 reviews) | 
  | **Has the product been a good partner in doing business?** | Not enough data | 7.0 (30 reviews) | 
  | **Product Direction (% positive)** | 10.0 (7 reviews) | 8.3 (48 reviews) | 

---
## Pricing

### OpenNebula

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### OpenStack

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Cloud Management Platforms

| Product | Score | Reviews |
|---|---|---|
| **OpenNebula** | N/A | N/A |
| **OpenStack** | 8.7/10 | 7 |

#### Functionality

| Feature | OpenNebula | OpenStack | 
|---|---|---|
| **Cloud Consolidation** | Not enough data | 8.6 (6 reviews) | 
| **Cloud Orchestration** | Not enough data | 9.0 (7 reviews) | 
| **Cloud Optimization** | Not enough data | 9.0 (5 reviews) | 

#### Management

| Feature | OpenNebula | OpenStack | 
|---|---|---|
| **Cloud Cost Analytics** | Not enough data | Not enough data | 
| **Cloud Security** | Not enough data | 8.1 (6 reviews) | 
| **Security Management** | Not enough data | 8.6 (7 reviews) | 
| **Cloud Backup and Recovery** | Not enough data | 8.9 (6 reviews) | 
| **Capacity Analytics** | Not enough data | Not enough data | 
| **Compliance Management** | Not enough data | Not enough data | 
| **Configuration Management** | Not enough data | Not enough data | 
| **User Management** | Not enough data | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **Application Management** | Not enough data | Not enough data | 
| **Cost Management** | Not enough data | Not enough data | 
| **Data Storage Management** | Not enough data | Not enough data | 
| **Change Management** | Not enough data | Not enough data | 
| **Disaster Recovery** | Not enough data | Not enough data | 
| **Multi-Cloud Management** | Not enough data | Not enough data | 
| **Service Level Agreement (SLA) Management** | Not enough data | Not enough data | 
| **Audit Management** | Not enough data | Not enough data | 
| **Patch Management** | Not enough data | Not enough data | 
| **Inventory Management** | Not enough data | Not enough data | 

#### Agentic AI - Cloud Management Platforms

| Feature | OpenNebula | OpenStack | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 
| **Data Integration** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | OpenNebula | OpenStack | 
|---|---|---|
| **Performance Analysis** | Not enough data | Not enough data | 
| **Service Catalog** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Anomaly Detection** | Not enough data | Not enough data | 
| **Real-Time Monitoring** | Not enough data | Not enough data | 
| **Data Visualization** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Multitenancy** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Self Service Portal** | Not enough data | Not enough data | 
| **Network Monitoring** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Data Import/Export** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Search/Filter** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Database Support** | Not enough data | Not enough data | 
| **Cloud Encryption** | Not enough data | Not enough data | 
| **Data Migration** | Not enough data | Not enough data | 
| **Event Logs** | Not enough data | Not enough data | 
| **Monitoring** | Not enough data | Not enough data | 

### Infrastructure as a Service (IaaS)

| Product | Score | Reviews |
|---|---|---|
| **OpenNebula** | N/A | N/A |
| **OpenStack** | 8.9/10 | 6 |

#### Infrastructure Provision

| Feature | OpenNebula | OpenStack | 
|---|---|---|
| **Public Cloud** | Not enough data | 7.7 (5 reviews) | 
| **Private Cloud** | Not enough data | 9.4 (6 reviews) | 
| **Hybrid Cloud** | Not enough data | 8.3 (5 reviews) | 
| **Bare Metal** | Not enough data | 9.2 (6 reviews) | 
| **High-Performance Computing (HPC)** | Not enough data | 9.0 (5 reviews) | 
| **Virtual Machines (VMs)** | Not enough data | 9.2 (6 reviews) | 
| **Edge Computing** | Not enough data | Not enough data | 
| **Virtual Networks** | Not enough data | 9.3 (5 reviews) | 
| **Cloud Computing** | Not enough data | Not enough data | 

#### Management

| Feature | OpenNebula | OpenStack | 
|---|---|---|
| **Pay by Usage** | Not enough data | Not enough data | 
| **Usage Tracking** | Not enough data | Not enough data | 
| **Performance Tracking** | Not enough data | 8.7 (5 reviews) | 
| **Activity Tracking** | Not enough data | Not enough data | 

#### Functionality

| Feature | OpenNebula | OpenStack | 
|---|---|---|
| **Resource Auto-Scaling** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | OpenNebula | OpenStack | 
|---|---|---|
| **Version Control** | Not enough data | Not enough data | 
| **Database Support** | Not enough data | Not enough data | 
| **Real-Time Monitoring** | Not enough data | Not enough data | 
| **Monitoring** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **SSL Security** | Not enough data | Not enough data | 
| **Configurable Workflow** | Not enough data | Not enough data | 
| **Performance Metrics** | Not enough data | Not enough data | 
| **Performance Management** | Not enough data | Not enough data | 
| **Server Monitoring** | Not enough data | Not enough data | 
| **Data Security** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Compliance Management** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Authentication** | Not enough data | Not enough data | 
| **Real-Time Analytics** | Not enough data | Not enough data | 
| **Audit Management** | Not enough data | Not enough data | 
| **Single Sign On** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **Alerts/Escalation** | Not enough data | Not enough data | 
| **Data Storage Management** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Resource Management** | Not enough data | Not enough data | 
| **Activity Management** | Not enough data | Not enough data | 
| **Scheduling** | Not enough data | Not enough data | 
| **Load Balancing** | Not enough data | Not enough data | 
| **Backup and Recovery** | Not enough data | Not enough data | 
| **User Management** | Not enough data | Not enough data | 
| **Role-Based Permissions** | Not enough data | Not enough data | 
| **Secure Login** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Network Monitoring** | Not enough data | Not enough data | 
| **Service Level Agreement (SLA) Management** | Not enough data | Not enough data | 
| **Task Scheduling** | Not enough data | Not enough data | 
| **Application Management** | Not enough data | Not enough data | 
| **Resource Allocation & Planning** | Not enough data | Not enough data | 
| **Real-Time Notifications** | Not enough data | Not enough data | 
| **Data Migration** | Not enough data | Not enough data | 
| **Configuration Management** | Not enough data | Not enough data | 
| **Log Access** | Not enough data | Not enough data | 
| **Data Visualization** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 
| **Audit Trail** | Not enough data | Not enough data | 
| **Secure Data Storage** | Not enough data | Not enough data | 
| **Data Capture and Transfer** | Not enough data | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **Performance Monitoring** | Not enough data | Not enough data | 
| **Search/Filter** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Infrastructure as a Service (IaaS) Software](https://www.g2.com/categories/infrastructure-as-a-service-iaas)


**Unique to OpenStack (1):** [Cloud Management Platforms](https://www.g2.com/categories/cloud-management-platforms)


---
## Reviewer Demographics

### By Company Size

| Segment | OpenNebula | OpenStack | 
|---|---|---|
| **Small-Business** | 10.0% | 19.2% | 
| **Mid-Market** | 70.0% | 32.7% | 
| **Enterprise** | 20.0% | 48.1% | 

### By Industry

#### OpenNebula

- **Computer Software:** 30.0%
- **Information Technology and Services:** 20.0%
- **Telecommunications:** 10.0%
- **Religious Institutions:** 10.0%
- **Internet:** 10.0%
- **Higher Education:** 10.0%
- **Computer Networking:** 10.0%

#### OpenStack

- **Information Technology and Services:** 34.6%
- **Computer Software:** 17.3%
- **Telecommunications:** 11.5%
- **Internet:** 9.6%
- **Research:** 7.7%
- **Retail:** 3.8%
- **Food & Beverages:** 3.8%
- **Renewables & Environment:** 1.9%
- **Furniture:** 1.9%
- **Computer Networking:** 1.9%
- **Other:** 5.8%

---
## Alternatives

### Alternatives to OpenNebula

- [Apache CloudStack](https://www.g2.com/products/apache-cloudstack/reviews) — 4.4/5 stars (27 reviews)
- [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) — 4.6/5 stars (755 reviews)
- [VMware Cloud Foundation (VCF)](https://www.g2.com/products/vmware-cloud-foundation-vcf/reviews) — 4.4/5 stars (712 reviews)
- [Azure Virtual Machines](https://www.g2.com/products/azure-virtual-machines/reviews) — 4.4/5 stars (394 reviews)
- [VMware vSphere](https://www.g2.com/products/vmware-vsphere/reviews) — 4.5/5 stars (777 reviews)
- [Akamai Cloud Computing](https://www.g2.com/products/akamai-cloud-computing/reviews) — 4.6/5 stars (406 reviews)
- [Amazon EC2](https://www.g2.com/products/amazon-ec2/reviews) — 4.6/5 stars (1201 reviews)
- [Google Compute Engine](https://www.g2.com/products/google-compute-engine/reviews) — 4.5/5 stars (953 reviews)
- [Hostwinds](https://www.g2.com/products/hostwinds/reviews) — 4.9/5 stars (438 reviews)
- [Automation Anywhere Agentic Process Automation](https://www.g2.com/products/automation-anywhere-agentic-process-automation/reviews) — 4.5/5 stars (5645 reviews)

### Alternatives to OpenStack

- [Apache CloudStack](https://www.g2.com/products/apache-cloudstack/reviews) — 4.4/5 stars (27 reviews)
- [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) — 4.6/5 stars (755 reviews)
- [Akamai Cloud Computing](https://www.g2.com/products/akamai-cloud-computing/reviews) — 4.6/5 stars (406 reviews)
- [Google Compute Engine](https://www.g2.com/products/google-compute-engine/reviews) — 4.5/5 stars (953 reviews)
- [Amazon EC2](https://www.g2.com/products/amazon-ec2/reviews) — 4.6/5 stars (1201 reviews)
- [VMware vSphere](https://www.g2.com/products/vmware-vsphere/reviews) — 4.5/5 stars (777 reviews)
- [Vultr](https://www.g2.com/products/vultr/reviews) — 4.3/5 stars (286 reviews)
- [VMware Cloud Foundation (VCF)](https://www.g2.com/products/vmware-cloud-foundation-vcf/reviews) — 4.4/5 stars (712 reviews)
- [Azure Virtual Machines](https://www.g2.com/products/azure-virtual-machines/reviews) — 4.4/5 stars (394 reviews)
- [Flexera One](https://www.g2.com/products/flexera-one/reviews) — 4.3/5 stars (192 reviews)

---
## Top Discussions

### OpenNebula

No discussions available for this product.

### OpenStack

No discussions available for this product.

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/opennebula-vs-openstack)