Browse free open source Clustering software and projects below. Use the toggles on the left to filter open source Clustering software by OS, license, language, programming language, and project status.

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  • 1

    S.M.A.R.T. Monitoring Tools

    Disk Inspection and Monitoring

    smartmontools contains utility programs (smartctl, smartd) to control/monitor storage systems using the Self-Monitoring, Analysis and Reporting Technology System (S.M.A.R.T.) built into most modern ATA and SCSI disks. It is derived from smartsuite.
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    Downloads: 24,336 This Week
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  • 2
    vcluster

    vcluster

    Create fully functional virtual Kubernetes clusters

    Create fully functional virtual Kubernetes clusters with vcluster. Each vcluster runs inside a namespace of the underlying k8s cluster. It's cheaper than creating separate full-blown clusters and it offers better multi-tenancy and isolation than regular namespaces. vcluster itself is a certified Kubernetes distribution and is 100% Kubernetes API conform. Everything that works in a regular Kubernetes cluster works in cluster. Pods are scheduled in the underlying host cluster, so they get no performance hit at all while running. Split up large multi-tenant clusters into smaller vcluster to reduce complexity and increase scalability. Since most vcluster api requests and objects will not reach the host cluster at all, vcluster can greatly decrease pressure on the underlying Kubernetes cluster. Create via vcluster CLI, helm, kubectl, Argo or any of your favorite tools (it is basically just a StatefulSet).
    Downloads: 75 This Week
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  • 3
    Tools for the Linux Kernel's network block device, allowing you to use remote block devices over a TCP/IP network. Note that we have moved to github: https://github.com/NetworkBlockDevice/nbd
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    Downloads: 1,485 This Week
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  • 4
    Diskless Remote Boot in Linux (DRBL)
    DRBL provides diskless or systemless environment. It uses distributed hardware resources and makes it possible for clients to fully access local hardware. It also includes Clonezilla, a partition and disk cloning utility similar to Ghost.
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    Downloads: 276 This Week
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  • PRTG Catches Network Issues Before They Cause Downtime Icon
    PRTG Catches Network Issues Before They Cause Downtime

    Threshold-based alerts flag problems early, so your team can act before users notice, not after.

    Reactive troubleshooting usually means hearing about a problem from frustrated users, not your monitoring tool. PRTG sets threshold-based alerts across devices, servers and applications, notifying your team by email, SMS or push the moment a metric crosses a set limit. That means catching a failing disk or overloaded server before it becomes an outage and getting time back from firefighting. Start a free trial and set your first alerts today.
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  • 5
    K8SGPT

    K8SGPT

    Giving Kubernetes Superpowers to everyone

    K8sGPT is a tool for scanning your Kubernetes clusters and diagnosing and triaging issues in simple English. It has SRE experience codified into its analyzers and helps to pull out the most relevant information to enrich it with AI. We have created analyzers that search your Kubernetes cluster for common problems and issues. These analyzers are based on SRE experience and are constantly being updated to keep up with the latest Kubernetes releases. Our ambition is to support multiple AI-powered backends. These serve as guides amid the noise of your cluster. They help you to focus on the most relevant information.
    Downloads: 30 This Week
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  • 6

    collectl

    This is now also available here github.com/sharkcz/collectl.git

    Collectl is a light-weight performance monitoring tool capable of reporting interactively as well as logging to disk. It reports statistics on cpu, disk, infiniband, lustre, memory, network, nfs, process, quadrics, slabs and more in easy to read format.
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    Downloads: 182 This Week
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  • 7
    Kubermatic KubeOne

    Kubermatic KubeOne

    Kubermatic KubeOne automate cluster operations on all your cloud

    Kubermatic KubeOne automates cluster operations on all your cloud, on-prem, edge, and IoT environments. KubeOne can install high-available (HA) master clusters as well single master clusters. KubeOne works on any infrastructure out of the box. All you need to do is to provision the infrastructure and let KubeOne know about it. KubeOne will take care of setting up a production-ready Highly Available cluster. KubeOne natively supports the most popular providers, including AWS, Azure, DigitalOcean, GCP, Hetzner Cloud, Nutanix, OpenStack, VMware Cloud Director, and VMware vSphere. The natively supported providers enjoy additional features such as integration with Terraform and Kubermatic machine-controller.
    Downloads: 21 This Week
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  • 8
    K9s

    K9s

    Kubernetes CLI To Manage Your Clusters In Style!

    K9s is a terminal based UI to interact with your Kubernetes clusters. The aim of this project is to make it easier to navigate, observe and manage your deployed applications in the wild. K9s continually watches Kubernetes for changes and offers subsequent commands to interact with your observed resources. Provides standard cluster management commands such as logs, scaling, port-forwards, restarts. Define your own command shortcuts for quick navigation via command aliases and hotkeys. Plugin support to extend K9s to create your very own cluster commands. Powerful filtering mode to allow user to drill down and view workload related resources. Supports for viewing RBAC rules such as cluster/roles and their associated bindings. Reverse lookup to asserts what a user/group or ServiceAccount can do on your clusters. You can benchmark your HTTP services/pods directly from K9s to see how your application fare and adjust your resources request/limit accordingly.
    Downloads: 20 This Week
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  • 9
    minikube

    minikube

    Sets up a local Kubernetes cluster to run it

    minikube quickly sets up a local Kubernetes cluster on macOS, Linux, and Windows. We proudly focus on helping application developers and new Kubernetes users. It supports the latest Kubernetes release (+6 previous minor versions). It iscross-platform (Linux, macOS, Windows), and allows the deployment of its functions as a VM, a container, or on bare-metal. Provides multiple container runtimes (CRI-O, containerd, docker), Docker API endpoint for blazing fast image pushes, and advanced features such as LoadBalancer, filesystem mounts, and FeatureGates. Contains addons for easily installed Kubernetes applications.
    Downloads: 20 This Week
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  • 10
    EKS Distro Repository

    EKS Distro Repository

    Amazon EKS Distro (EKS-D) is a Kubernetes distribution

    Amazon EKS Distro (EKS-D) is a Kubernetes distribution based on and used by Amazon Elastic Kubernetes Service (EKS) to create reliable and secure Kubernetes clusters. With EKS-D, you can rely on the same versions of Kubernetes and its dependencies deployed by Amazon EKS. This includes the latest upstream updates, as well as extended security patching support. EKS-D follows the same Kubernetes version release cycle as Amazon EKS, and we provide the bits here. EKS-D provides the same software that has enabled tens of thousands of Kubernetes clusters on Amazon EKS. EKS is a fully managed Kubernetes platform, while EKS-D is available to install and manage yourself. You can run EKS-D on-premises, in a cloud, or on your own systems. EKS-D provides a path to having essentially the same Amazon EKS Kubernetes distribution running wherever you need to run it.
    Downloads: 15 This Week
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  • 11
    Zarf

    Zarf

    DevSecOps for Air Gap & Limited-Connection Systems

    Zarf eliminates the complexity of air gap software delivery for Kubernetes clusters and cloud-native workloads using a declarative packaging strategy to support DevSecOps in offline and semi-connected environments.
    Downloads: 12 This Week
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  • 12
    PelicanHPC
    PelicanHPC is an iso-hybrid (CD or USB) image that let's you set up a high performance computing cluster in a few minutes. A Pelican cluster allows you to do parallel computing using MPI. You can run Pelican on a single multiple core machine to use all cores to solve a problem, or you can network multiple computers together to make a cluster. The frontend node (either a real computer or a virtual machine) boots from the image. The compute nodes boot by PXE, using the frontend node as the server. All of the nodes of the cluster get their filesystems from the same image, so it is guaranteed that all nodes run the the same software. Packages can be added to all nodes using apt-get, thanks to aufs. The bootable image is created by running a single script, which takes advantage of the Debian Live infrastructure.
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    Downloads: 53 This Week
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  • 13
    kind

    kind

    Kubernetes IN Docker - local clusters for testing Kubernetes

    kind is a tool for running local Kubernetes clusters using Docker container “nodes”. kind was primarily designed for testing Kubernetes itself, but may be used for local development or CI.
    Downloads: 7 This Week
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  • 14
    Kalavai

    Kalavai

    Turn everyday devices into your own AI cluster

    Kalavai is a self-hosted platform that turns everyday devices into your very own AI cluster. Do you have an old desktop or a gaming laptop gathering dust? Aggregate resources from multiple machines and say goodbye to CUDA out-of-memory errors. Deploy your favorite open-source LLM, fine-tune it with your own data, or simply run your distributed work, zero-DevOps. Simple. Private. Yours.
    Downloads: 6 This Week
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  • 15
    Shell-operator

    Shell-operator

    A tool for running event-driven scripts in Kubernetes

    Shell-operator is a tool for running event-driven scripts in a Kubernetes cluster. This operator is not an operator for a particular software product such as Prometheus-operator or Kafka-operator. Shell-operator provides an integration layer between Kubernetes cluster events and shell scripts by treating scripts as hooks triggered by events. Think of it as an operator-sdk but for scripts. Shell-operator is used as a base for a more advanced addon-operator that supports Helm charts and value storages.
    Downloads: 6 This Week
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  • 16
    RELIANOID

    RELIANOID

    Network Load Balancer and Application Security

    RELIANOID is an open core (Debian GNU/Linux based) Application Delivery Controller (ADC) with advanced load balancing features such as Network Load Balancer, Application Load Balancer with SSL offloading, Advance Network Configuration including Virtual Interfaces, VLANs, Bonding with link aggregation, IPv4/IPv6, advanced routing, stateless cluster, web GUI, JSON API and much more! Enterprise Edition Load Balancer is available with extra features such as global service load balancing (gslb), application security including web application firewall (WAF), blacklists, Realtime Blackhole Lists (DNSBL), DDoS protection, stateful clustering, SNMP monitoring, email and SNMP notifications, RBAC, VPN support, and the best Support directly from an expert Team.
    Downloads: 55 This Week
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  • 17
    kubectx

    kubectx

    Faster way to switch between clusters and namespaces in kubectl

    kubectx is a utility to manage and switch between kubectl contexts. kubectx supports Tab completion on bash/zsh/fish shells to help with long context names. You don't have to remember full context names anymore. kubens is a utility to switch between Kubernetes namespaces. kubens also supports Tab completion on bash/zsh/fish shells. There are several installation options. As kubectl plugins (macOS/Linux), macOS, Homebrew (recommended), MacPorts, Linux, Debian, Arch Linux, Homebrew, Manual installation. You can install and use Krew kubectl plugin manager to get kubectx and kubens. After installing, the tools will be available as kubectl ctx and kubectl ns. Since kubectx/kubens are written in Bash, you should be able to install them to any POSIX environment that has Bash installed. If you want kubectx and kubens commands to present you an interactive menu with fuzzy searching, you just need to install fzf in your PATH.
    Downloads: 4 This Week
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  • 18
    Karpenter

    Karpenter

    Kubernetes Node Autoscaling: built for flexibility, and performance

    Karpenter simplifies Kubernetes infrastructure with the right nodes at the right time. Karpenter automatically launches just the right compute resources to handle your cluster's applications. It is designed to let you take full advantage of the cloud with fast and simple compute provisioning for Kubernetes clusters. Karpenter responds quickly and automatically to changes in application load, scheduling, and resource requirements, placing new workloads on a variety of available compute resource capacities. Karpenter comes with a set of opinionated defaults in a single, declarative Provisioner resource which can easily be customized. No additional configuration is required! Karpenter observes the aggregate resource requests of unscheduled pods and makes decisions to launch and terminate nodes to minimize scheduling latencies and infrastructure costs. Karpenter is licensed under the permissive Apache License 2.0.
    Downloads: 3 This Week
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  • 19
    Postgres Operator

    Postgres Operator

    Postgres operator creates and manages PostgreSQL clusters

    The Postgres Operator delivers easy-to-run highly available PostgreSQL clusters on Kubernetes (K8s) powered by Patroni. It is configured only through Postgres manifests (CRDs) to ease integration into automated CI/CD pipelines with no access to Kubernetes API directly, promoting infrastructure as code vs manual operations.
    Downloads: 3 This Week
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  • 20
    Swarm

    Swarm

    Easy clustering, registration, and distribution of worker processes

    Swarm is a distributed process registry for Elixir/Erlang that lets you register and discover processes across a cluster as if they were on a single node. It focuses on automatic distribution and rebalancing, so when nodes join or leave, Swarm can move work and hand off state to keep the system stable. The library offers a global name registry, conflict resolution for name ownership, and hooks for reacting to membership changes. Its design embraces OTP principles, using supervised processes and fault-tolerant messaging to keep the registry resilient under failures. Developers can co-locate Swarm with their existing supervision trees to scale workers horizontally without writing custom clustering code. Typical use cases include globally unique workers, sharded consumers, and presence-like coordination where node churn is expected. By turning registry and handoff into configuration and callbacks, Swarm reduces the complexity of multi-node deployments.
    Downloads: 3 This Week
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  • 21

    Ganglia

    Scalable, distributed monitoring system for high-performance computing

    Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters. Supports clusters up to 2000 nodes in size.
    Downloads: 11 This Week
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  • 22
    LCMC
    Linux Cluster Management Console (LCMC) is a GUI that helps to configure Pacemaker, DRBD and KVM clusters.
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    Downloads: 10 This Week
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  • 23
    Cluster Template

    Cluster Template

    A template for deploying a Kubernetes cluster with k3s or Talos

    Welcome to my opinionated and extensible template for deploying a single Kubernetes cluster. The goal of this project is to make it easier for people interested in using Kubernetes to deploy a cluster at home on bare-metal or VMs. At a high level, this project makes use of makejinja to read in a configuration file which will render out pre-made templates that you can then use to customize your Kubernetes experience further. The features included will depend on the type of configuration you want to use. There are currently 2 different types of configurations available with this template.
    Downloads: 2 This Week
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  • 24
    ClusterSSH (cssh)

    ClusterSSH (cssh)

    Cluster SSH - Cluster Admin Via SSH

    ClusterSSH is a tool to manage simultaneous interactive sessions across multiple SSH-accessible hosts. It opens one master terminal and many child terminal windows (or tabs), sending the same keystrokes to all clients while allowing isolated input per host. This is useful when orchestrating repetitive tasks—such as rolling updates or diagnosing distributed systems—without copying and pasting into each window. The interface supports splitting windows, delayed input modes, and host groupings to make clusters more manageable. It also includes features like per-host prompt prefixing or context awareness to avoid confusion in mixed environments. Because the architecture is simple and terminal-based, it works across diverse systems with minimal dependencies and remains popular among sysadmins wanting bulk control with tactile feedback.
    Downloads: 2 This Week
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  • 25
    MyCAT

    MyCAT

    Active, high-performance open source database middleware

    MyCAT is an Open-Source software, “a large database cluster” oriented to enterprises. MyCAT is an enforced database which is a replacement for MySQL and supports transaction and ACID. Regarded as MySQL cluster of enterprise database, MyCAT can take the place of expensive Oracle cluster. MyCAT is also a new type of database, which seems like a SQL Server integrated with the memory cache technology, NoSQL technology and HDFS big data. And as a new modern enterprise database product, MyCAT is combined with the traditional database and new distributed data warehouse. In a word, MyCAT is a fresh new middleware of database. MyCAT ’s objective is to smoothly migrate the current stand-alone database and applications to cloud side with low cost and to solve the bottleneck problem caused by the rapid growth of data storage and business scale.
    Downloads: 2 This Week
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