The best open source alternative to CloudReady is Debian, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to CloudReady and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to CloudReady are Linux Mint (Free, Open Source), Manjaro Linux (Free, Open Source), Fedora (Free, Open Source) and elementary OS (Free, Open Source).
The leading platform for scale-out computing, Ubuntu Server helps you make the most of your infrastructure. Whether you want to deploy an OpenStack cloud, a Hadoop cluster or a 50,000-node render farm, Ubuntu Server delivers the best value scale-out performance available.
SliTaz is a free operating system, working completely in RAM and booting from removable media such as a CD-ROM or USB key. SliTaz is distributed as a LiveCD, and weighs less than 40MB. The system is quick and responsive, clean and robust.
Fast and powerful operating system based on the latest technologies while offering highly productive desktop environment. We focus on security, reliability, long-term stability and conservative integration of verified new features.
The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography. * OpenBSD runs on many different hardware platforms.
Peppermint was designed for enhanced mobility, efficiency and ease of use. While other operating systems are taking 10 minutes to load, you are already connected, communicating and getting things done.