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The Collaborative Virtual Machine (also known as CollabVM, Collab VM, or collab-vm) is an open source project which allows users to collaboratively control a virtual machine, typically for around 18 seconds per person. The twist is that anyone can hop in and use any of the available 9* official/unofficial virtual machines at any given moment, and do whatever they want.

The current concept and project was inspired by the website, but the CollabVM project adds many more features on top of the existing features such as a chat room, an administrator panel, logs, and more. The website was created by Dartz, and the software was coded and written by Cosmic Sans, Dartz and Geodude.

What it is

The site allows users to control a virtual machine. The site runs several virtual machines. The list are as follows: (updated sometimes)

Official VMs:

  • macOS Mojave 10.14.6 x64
  • Windows 7 Ultimate SP1 x64
  • Windows XP Professional SP3 x86
  • Lubuntu 21.04 x64
  • Windows 8.1 Pro x64
  • Windows 10 21H1 Pro x64
  • Windows 11 Pro RTM x64
  • Install Any OS x86-x64
  • CollabVM Advent Calendar

There are other sites running the CollabVM software that also run other operating systems, like MS-DOS, Windows 98, Debian, etc, and soon, users will be able to host their own VMs with their own operating systems (this has been already done). The site is powered by Guacamole and collab-vm-server. The site features a chatroom, where users are able to type messages to each other. The purpose of the chat is to share ideas on what to do on the virtual machine, although it can be used for pretty much anything. When you login to the website, you are given a generic, anonymous guest name (typically guest(string of 4-6 numbers)). Server owners can recompile the server with a different name, so it may be different depending on the CollabVM site you're using. You can change your name if you so desire (by clicking the "Change Username" button) or you can leave it as the default guest name.

To take control of the virtual machine, first, either press the Take Turn button or click on the screen. You will then be assigned a place in line. You will either get control of the virtual machine, or you may have to wait until another users turn is finished before you can take control. To check who is currently taking a turn, you can scroll to the user list and look for any blue / yellow names. If their name has a blue background, that means they are currently in control of the virtual machine. If their name has a yellow background, this means they are currently waiting to take control of the virtual machine. If they have no color, that means they aren't doing anything. When you press the Take Turn button or click the screen, if someone is also taking a turn, you will receive a timer which indicates how long you have to wait.

Please note: While the site is not explicitly for 18 and up, if you are under the age of 18, you need permission from your guardian, (or parent) as anyone can do anything on this virtual machine, and that includes opening pornography and other NSFW things. There is a warning blur which blurs out the screen before you can see it.


The invention of the concept of a public collaborative virtual machine that others could use through the internet is hard to pinpoint. This concept seems to have existed as early as mid 2004, with a user of a forum posting an IP address and a password for a VNC server, claiming it was "open for anyone to use". The concept of collaborating with people through a virtual machine can be traced back to 2010, and the concept of users taking turns to collaborate with a VM online can be traced back to April 2014, the official release date of

CollabVM was inspired by the website Manymo, which allowed users to run an Android virtual machine in a web browser, but is no longer available.

CollabVM 0.01

July 11, 2014 - February 18, 2015

CollabVM 0.01 (originally named "Browser Computer") started in July 2014, as a fun experiment. Instead of a virtual machine, it ran in an actual, physical machine running Windows 95, with a basic node.js script to simply connect to a VNC Server that was running with no password. This version did not have turns - if there were more than 2 users on the VM at once, they would have to use the chat to collaborate or try and fight for control. The page in question was also not hosted on Computernewb. The project was later reconfigured to connect to a remote QEMU session due to people constantly turning the machine off, closing the VNC Server, or destroying the machine. It was fairly unpopular, with only around 5-6 unique people controlling it every 2* weeks or so. The project was closed off in November 2014, but would later be reborn in February 2015.

CollabVM 1.0

February 18, 2015 - July 28, 2015

CollabVM 1.0 (known as the " Era" to some) was the first popular iteration of CollabVM, and the second overall. Although initially unpopular, it exploded in popularity in April 2015 after being posted onto Reddit. It ran the engine, but had a few modifications in place; the screen was scaled, the laptop image was removed, an administrator panel was modded into it, and two exploits were found and then later fixed. CollabVM 1.0 ran 9 different operating systems in its life span, which includes: Windows 95 OSR2, Windows 98, Windows 2000, Windows Vista Home Premium, Windows 7 Home Premium, Windows 7 Ultimate, Windows XP Professional SP2, and then Tiny7. The site had a Xat chatroom embedded into the bottom, as well as an online counter which showed how many people were online. Later, this was added to the server itself. It was replaced with CollabVM 1.1 on July 28, 2015.

CollabVM 1.1

July 28, 2015 - March 24, 2016

CollabVM 1.1 was the third iteration of CollabVM. This iteration was a very important milestone in CollabVMs history as it was when collab-vm-server was officially out of beta and released onto the site. CollabVM 1.1 brought the brand new engine that is still in use today, as well as removing all of the vulnerabilities of, as well as making it much faster and without any fuzz. The xat chat was initially removed from the page, but was later added back after high demand. This version also introduced some features still found on the site like the NSFW warning and other things. It has ran two operating systems in its time which includes Windows 7 Ultimate and Tiny7. Later, an update was released for it. Later on, it brought several new features to the table, including a new bootstrap theme, a brand new HTML5 chat, the Online Users list, the virtual keyboard, the FAQ, News, Rules, and other pages, as well as many other new features. This was also the first version of collab-vm-server that Experimental VM ran. On December 29, 2015 a new server was purchased which ran QEMU far better than the old one. On October 18, 2016, the binaries for CollabVM 1.1 were released.

CollabVM 1.2

March 24, 2016 - February 17, 2020

CollabVM 1.2 is the fourth iteration of CollabVM. The latest stable release is 1.2.11. This iteration included several updates to the existing 1.1 core, and added some new features. These features included the Vote Reset, which allows users to reset the virtual machine even when an admin is not online (now users could simply vote reset instead of potentially waiting for hours for an admin), a brand new homepage which showed the current running virtual machines along with screenshots of them running, support for multiple virtual machines was added, an issue that let users impersonate others was fixed, and the turn counter now counted how long you had to wait.

Later, on June 15, 2016, another huge and highly anticipated feature was added to CollabVM 1.2; the Virus Farm, also known as the CollabVM Agent. The Agent allows users to upload any file to the machine its currently running on, and more. The agent was designed to be very easy to enable and disable, so a CollabVM could easily be converted into a Virus Farm node, and vice versa. On October 18, 2016, another huge milestone for CollabVM was made - the server's source code as well as its binaries were publicly released.

On December 12, 2018, a Windows port was made available by CHOCOLATEMAN and Ir0nlake.

CollabVM 2.0

February 17, 2020 - Late June? 2020

CollabVM 2.0 is the fifth iteration of CollabVM. This version was originally planned to be 1.3, although since it was renamed to 2.0 since it shares none of the old code from the original server. This iteration includes several updates including stability updates, more modern libraries, VNC and RDP support, full VNC and RDP audio support, accounts, native Windows support, and more.

It was dropped from being used on the official instance due to an overabundance of instability, bugs and a million crash exploits.

CollabVM 1.2.x: The Revengance

Late June? 2020 - When 3.0 releases

CollabVM 2.0 was way too unstable to be used as a full time version, so we switched back to 1.2, Going back, we actually got more features in the "post 2.0" updates, such as:

  • JPEG Support
  • Bugfixes and stablity

In Feburary 2021, the last official version of the CollabVM 1.2 server was released, 1.2.11. It uses Boost.Beast for WebSockets, similar to CollabVM 2.0, but it doesn't crash as much as CollabVM 2.0.

This updated code base is also being used as the base for the next CollabVM version.

Features added in forks:

6969: Banning/Muting from VM View, Moderator Rank and Perms, and build identification.

yellows111: Kicking, (features by DarkOK: Forcefully Renaming users, Removing turns and clearing turn queues), and other such.

CollabVM 3.0

ETA: Who knows?

CollabVM 3.0 is going to be the successor to 1.x and 2.0, and started development on August 25th, 2021. It is (probably) not going to be adding any major features, and instead fixing a bunch of bugs and rewriting a lot of the code. Some of the things that will happen in this update include:

  • Guacamole is going to be replaced/updated
  • WebSocket-- replaced
  • CloudFlare support (possibly)
  • Switch to the CMake build system
  • Restoration of the internal HTTP server
  • Plugins support