Top Rocks Alternatives for Cluster Deployment
Rocks is a renowned open-source Linux cluster distribution that has empowered researchers worldwide to effortlessly build computational clusters, grid endpoints, and visualization tiled-display walls. Since May 2000, the Rocks group has focused on making clusters easy to deploy, manage, upgrade, and scale. However, even with its long history and robust features, users often seek Rocks alternative solutions for various reasons, including specific feature needs, different community support, or a desire for alternative approaches to cluster management.
Top Rocks Alternatives
While Rocks offers a powerful platform, several other open-source solutions provide similar or specialized functionalities for high-performance computing and cluster management. Here are some of the best alternatives to consider:

PlumpOS
PlumpOS is a mini Linux distribution designed to simplify adding nodes to an openMosix cluster. As a free Linux platform, it focuses on ease of use, making it a viable Rocks alternative for those looking for a lightweight solution without complex features.

CHAOS
CHAOS aims to be a fast, compact, and secure cluster platform capable of large-scale ad-hoc cluster deployment. This free Linux alternative to Rocks emphasizes its lightweight nature, making it suitable for environments where resource efficiency is critical.

PelicanHPC
PelicanHPC is an iso-hybrid image (CD or USB) that allows users to set up a high-performance computing cluster in minutes. As a free, open-source Linux solution based on Debian, it offers robust features like clustering, cluster management, clustering analysis, and distributed computing, making it an excellent Rocks alternative for rapid deployment.

FlashMob ISO
FlashMob ISO (OS) is an open-source cluster computing distro custom-developed by the University of San Francisco for their supercomputer. This free Linux platform is a straightforward Rocks alternative for those seeking a solution with a strong academic and performance-oriented background, without additional features.

Bootable Cluster CD
The Bootable Cluster CD provides a computational "Wet Lab" for distributed computing, essentially allowing a cluster in your pocket. This free Linux option is a direct Rocks alternative, offering features like cluster management, clustering, and clustering analysis in a highly portable format.

ClusterKnoppix
ClusterKnoppix is a modified Knoppix distro leveraging the OpenMosix kernel. As a free Linux and Knoppix-based option, it serves as a robust Rocks alternative by providing an OpenMosix terminal server that utilizes PXE, DHCP, and TFTP to boot Linux clients, making cluster setup streamlined.
Choosing the right cluster distribution depends heavily on your specific project requirements, existing infrastructure, and desired level of control. We encourage you to explore these Rocks alternative solutions to find the best fit for your high-performance computing needs.