Going virtual is a significant step for any programmer or IT professional to create test/demo environment. Emulating different Operating Systems within the current platform without additional costs is the best way for differentiating various critical processes and resource demonstrations. These processes may vary from code experimentation to testing, learning new Operating Systems and Sandboxing.
These virtual machine applications are also known as hypervisors, and the good thing is that most of these good-quality applications are free of cost. You can always upgrade to the paid version to get access to more capabilities and resources based on your requirements.
So, read on to find out the best free virtual machine software of 2021. Some software supports cross-platform as you can install on all type of Operating System such as Windows, Linux & macOS, whereas few others work on specific OS only.
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Virtual Machine Software: What is it?
Virtual machine software or a VM application is a program with which you can run different Operating Systems on the same host machine. It virtualizes your physical computer (desktop, laptops or server) to utilize the unused resources. You don’t need any extra hardware upgrades to work with these applications and virtual machines. The virtualized environment remains isolated and secured. The only essential requirement is that your physical computer should have enough hardware resources (RAM, storage & processor cores) to host multiple VMs
By using virtual machine software you can run Linux Ubuntu or macOS Catalina on a Windows 10 machine or vice versa. This program allows you to create a range of other combinations of Operating Systems as well. These include Chrome OS, Solaris, Linux and even NAS OS.
The virtual machine and its OS that you will run on the program called as a guest, and the physical system with the hardware is called as host. Operating Systems like Microsoft Windows may need additional license key to use the OS as guest VM. But if you are looking to use Linux or other open-source OS or the newer macOS, including the 10.15 Catalina, then you can get access to these programs and run other OS free of cost.
As these programs are very versatile, their demand among the developers has grown significantly in recent times. There are several of these programs available, and making a choice is difficult. But the idea here is to eliminate any buggy programs and consider the smoothest operating options only according to your needs.
Top Free Virtual Machine Applications of 2021 (For Mac & Windows)
● Compatible with multiple Operating Systems.
● Free of cost with almost all required features.
● Run guest/host programs simultaneously.
VirtualBox is a VM program by Oracle, and it will suit you best if you are new to the virtualization world. The best part about this hypervisor is that it is free of cost and open source. You can conveniently use it at work and install it on your personal computer.
The program was released back in 2007, and it was an instant hit within the IT industry. The program can support a long list of Operating Systems. From XP to the latest Windows 10, you can run any OS on it, including Solaris, OpenSolaris, and OpenBSD. Plus, you can also add any release of Linux from 2.4 on wards.
The VM program is an excellent choice for developers, beta testers and IT geeks who are Windows-fans. The program can also get hold of Windows NT and Server 2003 along with 3.x. It can even manage IBM OS/2 on systems equipped with the latest generation processor chips. We have a list of pre-built VirtualBox images here.
Mac users get the same joy of using this program on their systems. You get to host Mac VMs without any issues, which is a massive bonus for any developer. Apple only allows their computers to operate on the hardware with its trademark. Therefore, the possibility of running macOS on VirtualBox has fewer chances unless you are a Macintosh owner.
The portability of this VM program is superb, and you get to change the host and transfer the settings with ease. You won’t have to worry about host Operating Systems when moving virtual machines since it supports cross-platform. You can also run several guest Windows OS and other Operating Systems simultaneously on the same system.
Once the VirtualBox guest additions installed and Seamless mode enabled, you almost get the same experience on the full screen like a standard OS hosted on the physical computer.
The Oracle VirtualBox which is a free hypervisor for desktop computers, have most of the premium features, such as:
- Snapshot of VM
- Cloning VM
- Teleportation (like a cluster migration)
They were some of the required features for any virtual machine software.
This hypervisor can boost hardware performance and optimize resources to run the guest program within the host with ease. As the product gets frequent updates and bug fixes, it is the best choice to start your virtualization journey. Also, the community-driven support forum is friendly and most of the support cases attended there itself.
Additionally, the VirtualBox has robust virtual networking setup where you can group and segregate virtual machines and host OS. Several types of network and multiple adapters can be added to a single VM. This allows the end user to create separate network for certain virtual machines, Guest to Host, or only to the all guest virtual machines. Even you can setup the port forwarding in the network setup of a VM in console settings.
VMware Workstation Player
● A separate program for Windows and Mac users.
● Unity mode.
● Stable product from VMware.
Among the leaders in the virtualization programs is VMware, and they have multiple Virtual machine software on offer. The top-notch hypervisors for desktops from this company are Fusion and Workstation and Player. The VMware Fusion is for the Mac users while the Workstation and Player are for Linux/Windows users. Also, they have their leading server virtualization platform called VMware ESXi.
Both these applications have similar features and user-friendliness, but the configurations are developed for their respective Operating Systems. VMware player is a free product if you are looking to use this program personally. But it lacks some of the important features to use as a complete virtual machine software compared to VirtualBox or VMware workstation. If you are happy with VMware products and you need a full fledged desktop virtualization software, then you need to buy the VMware Workstation. The license cost will be around $100.
The program has a high standard for VM software, and that’s why it is hugely popular among IT professionals. It was released more than two decades ago, and it has aged well with time. The hypervisor supports both OpenGL 3.3 and DirectX 10. And you won’t have to deal with choppy videos or blur photos throughout your virtualization process.
There is an intelligent snapshot feature in VM workstation that helps you in creating multiple VM instances. You can also set various rollback points when testing. If anything goes off-plan, then you can quickly run back and resume your progress correctly. The snapshot feature is not available in VMware Workstation player, you need to get the pro version for it.
Find out more how to merge snapshots in VMware workstation.
Since VMware player can host more than 200 guests, you will not run out of options. Also, sharing files and data between guests and hosts super easy and smooth in VMware products. You can easily share files at a very high rate. Networking, sound from guest VM and display performance are great once we install VMware tools.
If you are new to virtualization and want to have multiple VMs on your host computer, VMware player is one of the best and free options to start with. It is backed by the global virtualization leader VMware and its pro product. Anytime, you can upgrade and migrate the VMs to pro version or to their hypervisor vSphere suite.
● Simple to use
● Virtualization snapshots.
● Good for learning purpose to use their server hypervisor
Hyper-V is one of the most commonly used virtualization tools among IT professionals who use Microsoft Windows. Microsoft released it in 2008 for Windows Server. Gradually, the VM program has become popular. It is better suited for the newcomers of hypervisors.
The VM program is straightforward to use and install. It is integrated with the Windows 10 features, you just need to enable it from the control panel. Not only you can install Windows client and Server Operating Systems, but also the Linux and open-source appliance.
This hypervisor can take snapshots easily via the Hyper-V management console.
It means that you can run the same VM in various cloned versions securely within an isolated environment. Virtual Switch is another tool in this program that allows you to access maximum connectivity. You can connect with other virtual machines with the separate network as well as physical networks alternatively. There are different types of network and virtual switch types available to explore.
As Hyper-V leading the server virtualization market with VMware, it is the best way to install the free version on your computer and learn well. It has powerful Powershell commands you can control this hypervisor well and complete tasks which can’t be done by the GUI.
Old but Useful Virtual Machine Sofwre
The KVM or kernel-based VM program is developed for Linux Kernel. This hypervisor at first supported x86 processors along with ARM ports. Later on, they merged into Kernel Merge Window 3.9.
There is a selection of guest Operating Systems supported by this hypervisor. These include the likes of BSD, Windows, Solaris, Linux, and more. If you want your KVM to work efficiently, then you will need a processor that features extensions for hardware virtualization.
The setup will feature privately virtualized hardware. It will include a disk, card, graphics adapter along with other hardware. The hypervisor is the open-source program, and it is a kernel component which is included in the Linux mainline operating system
The virtual PC for Windows is another freeware program for virtualization by Microsoft. The program doesn’t work for the versions of the Operating Systems earlier than Windows 7. Also, you do not need this on the latest Windows Operating Systems since you can install free Hyper-V. Also, the Virtual PC doesn’t support MS-DOS either. Therefore, it is a program that runs at the very basics.
It is a pretty old product, later updated with the built-in Hyper-V. So, if you are using Windows 10, you do not need to think of Virtual PC. But since it is still available from Microsoft site to download, we decided to mention as the free virtual machine software in 2021.
The Virtual PC can virtualize a standard PC along with all its hardware and supported software. You can access this program either by the applications installed by the OEMs or through direct download that is accessible through the Microsoft website.
The feature that differentiates it from the rest is that you can install Linux based guests into this program too. These include the likes of SUSE Linux and RedHat. However, you have to install them in text mode because they don’t support the graphics chip of Virtual PC.
Paid Virtual Machine Software
VMware Workstation Pro
The Workstation Pro version, as we have described above, is far better for you if you are looking to intrude more guests. The free version of the program can get slower as the number of guests increases. But that is not the case with the Pro version.
VMware workstation provides competitive premium features compared to its free VM player. If you are looking for full-fledged virtual machine software from trusted VMware on your Windows or Linux computer, then Workstation is the best option. They keep adding new features, guest VM OS support and improvement in speed and security. It is worth to try if you are going towards VMware virtualization products.
This is a paid version for macOS users and it has better support for your CPU and RAM allocation for the guest. And it won’t take many resources on your host either. You also get the convenience of sharing files by dragging-and-dropping on your virtual machine.
The best thing is that the program supports 4/5K Retina Display, and you get to run Boot camp on your VM. And you can do this by running Windows on your macOS. Therefore, this VM program is all about huge performance. Being a developer, you can connect to the vSphere Server, which is a graphics rendering facility ideally suitable for iOS developers.
Here is another excellent premium product. They are popular among Mac users. If you don’t know much about these VM programs, then you should go for the Parallels software. You can conveniently locate the ISO installation file and use this file. Moreover, you can download the hypervisor to your system with ease.
You can also find a Windows, Ubuntu, or Android-based image based on the soft that you need to run. Ultimately, you can create an installation file from the recovery disk on your macOS. The program allows you to run Android, Linux, and Windows on your Mac.
Frequently Asked Questions (FAQs)
Yes, virtual machines are very secure because each one of them is isolated from other VMs but using the same hardware. If you’re using all good quality safeguards, including antivirus programs, firewalls, etc. to protect your physical machine, then your virtual machine will remain safe as well. However, you need to make sure that the security programs that you are running on your physical machine don’t slow down the processes and capabilities of virtual machines.
A lot of support comes with VirtualBox, and it is free of cost and open source as well. On the other hand, VMware provides the user with a better experience when it comes to file sharing through drag-and-drop between the guest and the host. But VirtualBox gives you an ability to take as many snapshots as possible. This feature is free in VirtualBox, but you have to pay for it in the Pro version of VMware. So, VirtualBox is the better option here because you don’t have to pay for top features in this scenario.
The physical machine on which you have installed the VM is the host, and the system that you are accessing virtually is the guest. If the guest system is hacked, your host will remain safe. So you don’t have to worry about it. However, you need to have excellent quality firewalls and antivirus programs running on your host.
The internet connection of your virtual machine goes right past your physical computer, as well as your router. Therefore the address of your physical router can be traced. Someone can track you down to your city, at least. A VM can only protect you from someone hacking your actual computer.
Yes, it is legal to use these virtual machines as long as you have an authentic copy of your operating system. There is nothing wrong with the virtualization you are doing. Several developers and IT professionals test their software using virtualization methods.
Yes, viruses can escape the virtual machines, and you have to be very careful. These viruses can enter your host and your network as well depending on the network and file/disk sharing.
No, you don’t need to install a security program in your virtual machine. If you use your virtual machine from the original work and not for testing, then you need to install an antivirus program. It is because a virus might move from the VM to your host and its network during the file-sharing process.
If you are looking for the best virtual machine program in every aspect, then you need to choose the VirtualBox. The program is open source and free to use. It is straightforward and easy to install and operate. Furthermore, it allows you to create multiple snapshots, and you can access any number of VMs on your host with ease. It is a top choice for you if you are using a personal computer at home.
If you are Microsoft lover, then you do not need to look for any other extra tools. You can simply use the Hyper-V on your Windows 10 computer. It natively works well on the Windows platform to host Windows and Linux virtual machines.
However, if you are looking for a professional virtual machine software in VMware field, then go for VMware workstation. With a small investment, you will get a fantastic software to host and manage several virtual machines. There is a separate program for Windows and Mac platforms. It is a paid hypervisor and is useful, which is excellent when it comes to file sharing.
VM programs are great for enhancing resource capability and are very commonly used by IT professionals for testing procedures and experimentation. Make sure that you pick the right programs that meet all your requirements for better utilization of resources.
So, which of these VM programs have you used? Do you have a favorite for home or business use? Let us know by leaving a comment in the section below!