# Proxmox VE, Qualio vs OpenNebula Comparison

| | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.4 out of 5 | 4.4 out of 5 | 
| **Total Reviews** | 36 | 741 | 10 | 
| **Largest Market Segment** | Small-Business (62.9% of reviews) | Mid-Market (53.3% of reviews) | Mid-Market (70.0% of reviews) | 
| **Entry Level Price** | € 4,99 month (per CPU) | Contact Us 15 Edit and basic users | No pricing available | 

---
## Top Pros & Cons

### Proxmox VE

Pros:
- Scalability (2 reviews)
- Cost-Effective (1 reviews)

Cons:
- Steep Learning Curve (2 reviews)
- Network Issues (1 reviews)

### Qualio

Pros:
- Ease of Use (185 reviews)
- Document Management (83 reviews)

Cons:
- Document Management (33 reviews)
- Feature Limitations (31 reviews)

### OpenNebula

**Not enough data**

---
## Ratings Comparison
| Rating | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
  | **Meets Requirements** | 8.9 (32 reviews) | 8.9 (605 reviews) | 8.3 (7 reviews) | 
  | **Ease of Use** | 8.7 (32 reviews) | 9.0 (626 reviews) | 9.0 (7 reviews) | 
  | **Ease of Setup** | 8.1 (27 reviews) | 8.8 (403 reviews) | Not enough data | 
  | **Ease of Admin** | 8.6 (25 reviews) | 8.9 (174 reviews) | Not enough data | 
  | **Quality of Support** | 7.0 (22 reviews) | 9.1 (532 reviews) | 6.9 (6 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.6 (18 reviews) | 9.1 (170 reviews) | Not enough data | 
  | **Product Direction (% positive)** | 10.0 (30 reviews) | 9.4 (601 reviews) | 10.0 (7 reviews) | 

---
## Pricing

### Proxmox VE

#### Entry-Level Pricing

Plan: COMMUNITY

Price: € 4,99 month (per CPU)

Key Features:
- Access to Enterprise repository
- Support via community forum

[Browse all 4 editions](https://www.g2.com/products/proxmox-ve/pricing)

#### Free Trial

No

### Qualio

#### Entry-Level Pricing

Plan: Foundation

Price: Contact Us 15 Edit and basic users

Description: For small teams transitioning from fragmented quality processes to building out their system for the first time

Key Features:
- Cloud-based eQMS
- Document control (unlimited docs)
- Training 

[Browse all 3 editions](https://www.g2.com/products/qualio/pricing)

#### Free Trial

No

### OpenNebula

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

---
## Features Comparison By Category

### Medical QMS

| Product | Score | Reviews |
|---|---|---|
| **Proxmox VE** | N/A | N/A |
| **Qualio** | 8.4/10 | 198 |
| **OpenNebula** | N/A | N/A |

#### Quality Management

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Design Controls** | Not enough data | 8.2 (145 reviews) | Not enough data | 
| **Audit Management** | Not enough data | 8.5 (151 reviews) | Not enough data | 
| **Supplier Network Management** | Not enough data | 7.7 (144 reviews) | Not enough data | 
| **Risk Management** | Not enough data | 7.9 (147 reviews) | Not enough data | 

#### Quality System

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Analytics & Reporting** | Not enough data | 8.1 (153 reviews) | Not enough data | 
| **Real-time Collaboration** | Not enough data | 8.2 (164 reviews) | Not enough data | 
| **Document Control** | Not enough data | 9.3 (183 reviews) | Not enough data | 
| **Quality Processes** | Not enough data | 8.9 (166 reviews) | Not enough data | 

### Infrastructure as a Service (IaaS)

| Product | Score | Reviews |
|---|---|---|
| **Proxmox VE** | N/A | N/A |
| **Qualio** | N/A | N/A |
| **OpenNebula** | N/A | N/A |

#### Infrastructure Provision

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Public Cloud** | Not enough data | Not enough data | Not enough data | 
| **Private Cloud** | Not enough data | Not enough data | Not enough data | 
| **Hybrid Cloud** | Not enough data | Not enough data | Not enough data | 
| **Bare Metal** | Not enough data | Not enough data | Not enough data | 
| **High-Performance Computing (HPC)** | Not enough data | Not enough data | Not enough data | 
| **Virtual Machines (VMs)** | Not enough data | Not enough data | Not enough data | 
| **Edge Computing** | Not enough data | Not enough data | Not enough data | 
| **Virtual Networks** | Not enough data | Not enough data | Not enough data | 

#### Management

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Pay by Usage** | Not enough data | Not enough data | Not enough data | 
| **Usage Tracking** | Not enough data | Not enough data | Not enough data | 
| **Performance Tracking** | Not enough data | Not enough data | Not enough data | 

#### Functionality

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Resource Auto-Scaling** | Not enough data | Not enough data | Not enough data | 

### Quality Management (QMS)

| Product | Score | Reviews |
|---|---|---|
| **Proxmox VE** | N/A | N/A |
| **Qualio** | 8.4/10 | 488 |
| **OpenNebula** | N/A | N/A |

#### Nonconformance

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Conformance Records** | Not enough data | 8.7 (447 reviews) ✓ Verified | Not enough data | 
| **CAPA** | Not enough data | 8.6 (439 reviews) ✓ Verified | Not enough data | 
| **Change Management** | Not enough data | 8.6 (447 reviews) ✓ Verified | Not enough data | 

#### Quality system

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Document Control** | Not enough data | 9.2 (465 reviews) ✓ Verified | Not enough data | 
| **Collaboration** | Not enough data | 8.5 (453 reviews) ✓ Verified | Not enough data | 
| **Analytics and Reports** | Not enough data | 8.1 (434 reviews) ✓ Verified | Not enough data | 

#### Risk Management

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Assessments** | Not enough data | 8.1 (429 reviews) ✓ Verified | Not enough data | 
| **Operational Risk** | Not enough data | 8.0 (418 reviews) ✓ Verified | Not enough data | 
| **Supplier Evaluation** | Not enough data | 8.0 (390 reviews) | Not enough data | 

#### Inspection Management

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Templates** | Not enough data | 8.5 (435 reviews) ✓ Verified | Not enough data | 
| **Workflows** | Not enough data | 8.3 (426 reviews) ✓ Verified | Not enough data | 
| **Corrective Actions** | Not enough data | 8.5 (418 reviews) ✓ Verified | Not enough data | 

#### Compliance

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Standards & Regulations** | Not enough data | 8.4 (428 reviews) ✓ Verified | Not enough data | 
| **Permits** | Not enough data | 8.0 (395 reviews) ✓ Verified | Not enough data | 
| **Certifications** | Not enough data | 8.3 (402 reviews) ✓ Verified | Not enough data | 

#### Platform

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Integration** | Not enough data | 7.9 (395 reviews) ✓ Verified | Not enough data | 
| **Security & Privacy** | Not enough data | 8.7 (425 reviews) ✓ Verified | Not enough data | 
| **Mobile Access** | Not enough data | 7.6 (398 reviews) ✓ Verified | Not enough data | 
| **Flexibility** | Not enough data | 8.4 (426 reviews) ✓ Verified | Not enough data | 

#### Services

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Implementation** | Not enough data | 8.6 (425 reviews) ✓ Verified | Not enough data | 
| **Training & Learning** | Not enough data | 8.8 (434 reviews) ✓ Verified | Not enough data | 
| **Customer Support** | Not enough data | 8.7 (429 reviews) ✓ Verified | Not enough data | 
| **Professional Services** | Not enough data | 8.5 (410 reviews) ✓ Verified | Not enough data | 

### Server Virtualization

| Product | Score | Reviews |
|---|---|---|
| **Proxmox VE** | 9.0/10 | 13 |
| **Qualio** | N/A | N/A |
| **OpenNebula** | N/A | N/A |

#### Performance

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Scalability** | 9.2 (13 reviews) | Not enough data | Not enough data | 
| **Portability** | 8.5 (12 reviews) | Not enough data | Not enough data | 
| **Data Recovery** | 8.8 (10 reviews) | Not enough data | Not enough data | 

#### Functionality

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **OS Integration** | 9.4 (12 reviews) | Not enough data | Not enough data | 
| **Resource Saving** | 9.2 (12 reviews) | Not enough data | Not enough data | 
| **Performance Management** | 9.3 (12 reviews) | Not enough data | Not enough data | 
| **Security** | 8.3 (11 reviews) | Not enough data | Not enough data | 

#### Agentic AI - Server Virtualization

| Feature | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

---
## Categories

**Unique to Proxmox VE (1):** [Server Virtualization Software](https://www.g2.com/categories/server-virtualization)

**Unique to Qualio (2):** [Quality Management Systems (QMS)](https://www.g2.com/categories/quality-management-qms), [Medical Quality Management Systems (QMS)](https://www.g2.com/categories/medical-qms)

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


---
## Reviewer Demographics

### By Company Size

| Segment | Proxmox VE | Qualio | OpenNebula | 
|---|---|---|---|
| **Small-Business** | 62.9% | 42.2% | 10.0% | 
| **Mid-Market** | 28.6% | 53.3% | 70.0% | 
| **Enterprise** | 8.6% | 4.4% | 20.0% | 

### By Industry

#### Proxmox VE

- **Information Technology and Services:** 41.2%
- **Computer Software:** 11.8%
- **Computer & Network Security:** 11.8%
- **Oil & Energy:** 5.9%
- **Internet:** 5.9%
- **Consumer Goods:** 5.9%
- **Mechanical or Industrial Engineering:** 2.9%
- **International Affairs:** 2.9%
- **Higher Education:** 2.9%
- **Financial Services:** 2.9%
- **Other:** 5.9%

#### Qualio

- **Medical Devices:** 27.6%
- **Pharmaceuticals:** 14.5%
- **Biotechnology:** 13.2%
- **Computer Software:** 12.3%
- **Hospital & Health Care:** 6.0%
- **Information Technology and Services:** 5.4%
- **Research:** 4.8%
- **Health, Wellness and Fitness:** 2.5%
- **Consumer Goods:** 1.6%
- **Manufacturing:** 1.5%
- **Other:** 10.7%

#### 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%

---
## Alternatives

### Alternatives to Proxmox VE

- [VMware vSphere](https://www.g2.com/products/vmware-vsphere/reviews) — 4.5/5 stars (761 reviews)
- [Azure Virtual Machines](https://www.g2.com/products/azure-virtual-machines/reviews) — 4.4/5 stars (391 reviews)
- [Nutanix Cloud Infrastructure (NCI)](https://www.g2.com/products/nutanix-cloud-infrastructure-nci/reviews) — 4.5/5 stars (324 reviews)
- [VirtualBox](https://www.g2.com/products/virtualbox/reviews) — 4.5/5 stars (291 reviews)
- [Oracle VM](https://www.g2.com/products/oracle-vm/reviews) — 4.3/5 stars (73 reviews)
- [SUSE Linux Enterprise Server](https://www.g2.com/products/suse-linux-enterprise-server/reviews) — 4.6/5 stars (72 reviews)
- [Virtuozzo](https://www.g2.com/products/virtuozzo/reviews) — 4.4/5 stars (55 reviews)
- [XenServer](https://www.g2.com/products/xenserver/reviews) — 4.2/5 stars (49 reviews)
- [VMware ESXi](https://www.g2.com/products/vmware-esxi/reviews) — 4.7/5 stars (20 reviews)
- [antsle Private Cloud](https://www.g2.com/products/antsle-private-cloud/reviews) — 4.8/5 stars (18 reviews)

### Alternatives to Qualio

- [Octave Reliance (ETQ Reliance)](https://www.g2.com/products/octave-reliance-etq-reliance/reviews) — 4.3/5 stars (614 reviews)
- [MasterControl Quality Management System](https://www.g2.com/products/mastercontrol-quality-management-system/reviews) — 4.3/5 stars (505 reviews)
- [Arena PLM & QMS](https://www.g2.com/products/arena-plm-qms/reviews) — 4.2/5 stars (441 reviews)
- [Greenlight Guru Quality Management System](https://www.g2.com/products/greenlight-guru-quality-management-system/reviews) — 4.5/5 stars (410 reviews)
- [ZenQMS](https://www.g2.com/products/zenqms/reviews) — 4.7/5 stars (101 reviews)
- [Intellect](https://www.g2.com/products/intellect/reviews) — 4.6/5 stars (94 reviews)
- [TrackWise](https://www.g2.com/products/honeywell-trackwise/reviews) — 4.3/5 stars (48 reviews)
- [QT9 QMS](https://www.g2.com/products/qt9-qms/reviews) — 4.8/5 stars (119 reviews)
- [Ideagen Quality Management](https://www.g2.com/products/ideagen-quality-management/reviews) — 4.0/5 stars (485 reviews)
- [Propel](https://www.g2.com/products/propel-propel/reviews) — 4.3/5 stars (144 reviews)

### Alternatives to OpenNebula

- [OpenStack](https://www.g2.com/products/openstack/reviews) — 4.2/5 stars (53 reviews)
- [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 (746 reviews)
- [VMware Cloud Foundation](https://www.g2.com/products/vmware-cloud-foundation/reviews) — 4.4/5 stars (612 reviews)
- [Azure Virtual Machines](https://www.g2.com/products/azure-virtual-machines/reviews) — 4.4/5 stars (391 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 (1191 reviews)
- [Google Compute Engine](https://www.g2.com/products/google-compute-engine/reviews) — 4.5/5 stars (952 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 (5558 reviews)

---
## Top Discussions

### Proxmox VE

- Title: [Possibility of importing virtual machines from other platforms](https://www.g2.com/discussions/12585-possibility-of-importing-virtual-machines-from-other-platforms) — 2 comments, 1 upvote
  > **Top comment:** "While the answer is yes, unfortunately at the time of writing importing ova files for example isn't a gui based thing.  An example is here:..."
- Title: [What operating system is proxmox?](https://www.g2.com/discussions/what-operating-system-is-proxmox) — 1 comment
  > **Top comment:** "Proxmox VE is a complete operating system based on Debian Linux"
- Title: [Is proxmox still free?](https://www.g2.com/discussions/is-proxmox-still-free) — 1 comment
  > **Top comment:** "Its still free and great!"

### Qualio

- Title: [What does Qualio do?](https://www.g2.com/discussions/what-does-qualio-do) — 6 comments, 5 upvotes
  > **Top comment:** "Comment deleted by user."
- Title: [What is Qualio?](https://www.g2.com/discussions/what-is-qualio) — 3 comments, 2 upvotes *(includes official response)*
  > **Top comment:** "Qualio is a cloud-based quality management software system designed for life science companies.

Qualio empowers medical device, pharmaceutical, biotech,..."
- Title: [What is Eqms quality management system?](https://www.g2.com/discussions/what-is-eqms-quality-management-system) — 2 comments, 1 upvote
  > **Top comment:** "Comment deleted by user."
- Title: [What is QMS software?](https://www.g2.com/discussions/what-is-qms-software) — 2 comments, 1 upvote *(includes official response)*
  > **Top comment:** "An eQMS is an electronic quality management system that enables quality teams to centrally manage and monitor their compliance processes. It helps life..."
- Title: [What is Qualio used for?](https://www.g2.com/discussions/what-is-qualio-used-for) — 1 comment, 1 upvote
  > **Top comment:** "Qualio is used for managing quality assurance, regulatory compliance, and document control.  It streamlines processes related to quality management systems..."

### OpenNebula

No discussions available for this product.

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