If you’ve been looking for an easier way to run virtual machines at home, at school, or in your business, you may have come across Karios BSD.
Simply put, Karios BSD is a free, open source operating system that lets you run virtual machines, containers, and storage services on a single computer or server. It is built on FreeBSD, one of the world’s most trusted operating systems, and is designed to make modern infrastructure simple to use.
A Simple Way to Build Infrastructure
Think of a server like a large building.
Instead of using the entire building for one purpose, Karios BSD lets you divide it into many smaller rooms. Each room can run its own operating system, application, or service without affecting the others. These rooms are called virtual machines.
You can also run lightweight applications called containers, store files safely using ZFS, and manage everything from an easy-to-use web interface.
Instead of installing several different products, Karios BSD brings everything together in one platform.
Built on FreeBSD
Karios BSD is built on FreeBSD, an operating system known for its stability, security, and performance. FreeBSD has been used for decades in data centers, internet services, storage systems, and research institutions around the world.
By building on FreeBSD, Karios BSD inherits that strong foundation while adding modern tools that make virtualization and infrastructure management much easier.
Why We Created Karios BSD
Many virtualization platforms have become expensive and complicated. Some require costly licenses, while others depend on several different management tools working together.
We wanted to create something different.
Karios BSD gives anyone the ability to build reliable infrastructure without paying expensive licensing fees or becoming locked into a single vendor. Whether you’re learning virtualization or running production workloads, you should have access to powerful technology without unnecessary complexity.
What Can You Do with Karios BSD?
With Karios BSD, you can:
- Run multiple virtual machines on one server.
- Host Linux containers.
- Build a home lab for learning and testing.
- Create a small business server.
- Experiment with networking and storage.
- Learn enterprise virtualization using open source software.
Everything is managed from a modern web interface, making it easier to get started and maintain your system.
Free and Open Source
Karios BSD is completely open source.
That means you can download it, install it, study how it works, and contribute improvements to the project. There are no licensing restrictions for using the software, and you remain in complete control of your own infrastructure.
Our goal is simple: make enterprise-quality infrastructure available to everyone.
Start Your Journey Whether you're new to virtualization or already have years of experience, Karios BSD provides a simple place to begin. Download Karios BSD, follow our Getting Started guide, and see how easy it can be to build your own virtualization platform using open source technology.
Karios BSD Installation ISO
Complete installer containing the base FreeBSD kernel, Bhyve hypervisor, and local management engines.
Source Code Repositories
Access our public Git infrastructure. Review the commits, audit the security, and compile from source.
Installation & Deployment Guides
Read our technical guidelines for quick setup on individual hosts.