VirtualBox
VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use.
Microsoft® Hyper-V™ Server 2008 R2 is a stand-alone product that provides a reliable and optimized virtualization solution enabling organizations to improve server utilization and reduce costs.
microsoft® hyperv™ server 2008 r2 is a standalone product that provides a reliable and optimized virtualization solution enabling organizations to improve server utilization and reduce costs. with the addition of new features such as live migration and expanded processor and memory support for host systems, it allows organizations to consolidate workloads onto a single physical server and is a good solution for organizations who are consolidating servers as well as for development and test environments.
Productivity Networking and Admin
virtualization virtual-machine virtual-server vmware virtual-pc hypervisor virtual-machine-manager hypervm vm-ware
VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use.
Free Open Source Windows Linux BSD Mac Solaris
VMware Workstation Pro is a commercial hypervisor that allows users to create and run virtual machines on one computer.
Commercial
Proxmox Virtual Environment is an easy to use Open Source virtualization platform for running Virtual Appliances and Virtual Machines.
Freemium
VMware vSphere Hypervisor ( based on ESXi ) is a free bare-metal hypervisor that virtualizes servers so you can consolidate your applications on less hardware.
Commercial Windows Linux
The virt-manager application is a desktop user interface for managing virtual machines through libvirt. It primarily targets KVM VMs, but also manages Xen and LXC (linux containers).
Free Open Source Linux
portable-virtualbox is a free and open source software tool that lets you run any operating system from a usb stick without separate installation. it unpacks and adjusts the paths and configuration of virtualbox so it will run portably.
Free Open Source Windows
Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.
Free Open Source Web
XenServer is a turnkey open source virtualization solution that provides out-of-the box virtualization and cloud computing.
Free Open Source Windows Linux
Apache Mesos is a cluster manager that simplifies the complexity of running applications on a shared pool of servers.
Free Open Source Mac OS X Linux
ASG-Remote Desktop is the indispensable tool for administrative access to remote computers.
Commercial Windows
UCS Virtual Machine Manager (UVMM) is an easy-to-use and powerful administration tool for KVM.
Free Open Source Linux Univention Corporate Server