
Proxmox VE
OpenNebula
VMware ESXi
XCP-ng
VMware vCenter
vSphere
Harvester
100% Open Source based cloud solution for your own private IaaS based on OpenStack, Kubernetes and Ceph

Virtualizor
SolusVM
Xen Orchestra
Virtkick
Fleio
oVirt
vSphere
VMmanager is a QEMU/KVM server virtualization management software, which presents perfect tools for creating virtual machines, providing VPS services, and building cloud infrastructure.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | c12n.cloud | ispsystem.com |
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| Company | Startup from Germany · 10 - 19 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


c12n is a 100% open-source, fully automated cloud platform that puts you back in control of your own sovereign Infrastructure as a Service (IaaS). c12n is more than just an alternative to VMware; it’s a reliable, secure, open-source cloud solution that caters to modern enterprise needs, a...
VMmanager is a platform that allows you to reduce costs for the IT department while increasing its efficiency. Virtual servers can be created within 2 minutes. Many operations are performed automatically: migration, cloning, reinstalling the OS, backups, adding and deleting interfaces, virtual...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Key features of VMmanager and the overall overview
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing c12n.cloud and VMmanager.
c12n.cloud's answer
c12n is the only open-source cloud solution integrating end-to-end GitOps automation with OpenStack, Kubernetes and Ceph. c12n is highly scalable, secure and requires minimum day-2 Ops.
c12n.cloud's answer
Why pay for VMware when you can have 80% of its functionality for free? c12n is 100% Open Source and 100% Automated with 0% License fees. c12n puts you back in control of your own sovereign Infrastructure as a Service (IaaS), it is designed to be vendor-lock free, giving you the freedom to choose your support providers or even operate the platform with your own in-house expertise like some customers do.
c12n.cloud's answer
Managed Service Providers (MSP), cloud providers and literally any organization that wants to run their own cloud either due to security & legal requirements or to reduce costs compared to public cloud or proprietary solutions such as VMware and Nutanix.
c12n.cloud's answer
The team behind c12n has been working with Openstack for more than 10 years. Tools such as Kubernetes and ArgoCD gave us a completely new set of possibilities to deploy, upgrade and operate OpenStack and Ceph in a highly efficient way. Since 2017 we’ve been running the first OpenStack installation on Kubernetes and quickly realized the power of such a combination.
c12n.cloud's answer
The power behind c12n lies in its foundation of proven open-source technologies. At its core is OpenStack, a free, open standard cloud computing platform that provides all major IaaS features and has a global footprint of over 45.000.000 compute cores.
This is complemented by Kubernetes, the leading container orchestration platform, and Ceph, a distributed software-defined storage platform capable of holding 50 PB+ of data. We also integrate ArgoCD for Continuous Delivery, Prometheus for comprehensive monitoring, and MAAS for managing the lifecycle of bare-metal.
c12n.cloud's answer
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VMmanager is one of the most popular commercial server virtualizations platforms based on QEMU/KVM technology. The solution has a reach feature set, that can suit both IT infrastructure owners and VPS services...
VMmanager is developed in C++ and one of the most comprehensive software kits for hosting automation. It already supports KVM and OpenVZ hypervisors, but the developers behind VMmanager recently announced support for...
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