Apps similar to VMware vSphere include VirtualBox, which is free and open source. Other options are Proxmox Virtual Environment, OpenStack, VMmanager and Lima. There's no shortage of Virtualization Tools like VMware vSphere, with more than 25 alternatives for Linux, self-hosting, the web, Mac and Windows.
XO is a web UI providing a simple and nice web interface to manage XCP-ng and Citrix Hypervisor (formerly (XenServer) infrastructure (VM, servers, pools, etc.). It's also a fully feature backup solution for those platforms.
France
EU
Danube Cloud is a cloud management software used for deploying, maintaining and automating cloud data centers and their processes.
SlovakiaEU
CheerpX is an x86 virtualization technology for running executables and operating systems entirely client-side. It’s an always available, zero-cost virtual machine with guaranteed data privacy, powered by a WebAssembly JIT engine.
United Kingdom
Archipel is a solution to manage and supervise virtual machines. No matter if you have a few locally on your computer or thousands through data centers, Archipel is a central solution to manage them all.
FranceEU
WebVirtMgr is a libvirt-based Web interface for managing virtual machines. It allows you to create and configure new domains, and adjust a domain's resource allocation. A VNC viewer over a SSH tunnel presents a full graphical console to the guest domain.
Solus Virtual Manager (SolusVM) is a powerful GUI based VPS management system with full OpenVZ, Linux KVM, Xen Paravirtualization and Xen HVM support. SolusVM allows you and your clients to manage a VPS cluster with security & ease.
United Kingdom
OpenNode Cloud Platform is an open source server virtualization and management solution, offering an easy and flexible way for creating your IaaS service.
Server management platform for hosting providers: sell and run VPS, hosting accounts and game servers on your own infrastructure through an outbound agent.
NetherlandsEU
VirtEngine is an Open Source Cloud Management platform that integrates with OpenNebula (Compute), Docker (Containers), Bitnami (Applications), and Ceph (Storage), WHMCS (Billing: Commercial) in a simple and powerful User Interface for the user.
Australia
Open source virtualization manager. Deploy and manage Xen and OpenVZ containers/VPSes through easy to use graphic user interface. Free and flexible.
ZeroStack’s delivers a public cloud experience with private cloud control through software that automates cloud infrastructure, applications, and operations.
