One front-end server can run your entire cloud: OpenNebula orchestrates KVM virtual machines and LXC containers across clusters of hosts, presenting everything through the FireEdge Sunstone web interface and a full API. Operators define VM templates once and instantiate them anywhere, attaching disks and networks, taking snapshots, scheduling actions, and opening remote consoles through Guacamole without leaving the browser. The OneDRS distributed resource scheduler reads historical and real-time metrics to predict demand spikes and migrate workloads before contention bites, with customizable policies and automation levels. GPU passthrough and PCI device hotplugging serve AI and accelerator workloads, while OVA import through the oneswap command ingests virtual machines exported from VMware vCenter for re-virtualization projects. Edge Clusters deploy on demand on premises or at remote providers, extending the same management model to hybrid and distributed sites without a separate stack. The 7.4 Helix release redesigns Sunstone with a slide-in side drawer and richer resource visualizations, and brings OneKS managed Kubernetes plus LVM storage to the Community Edition. Ceph and LVM datastores, incremental backups, cluster-level and generic quotas for resources like vGPUs, and OneFlow service orchestration for multi-VM applications round out daily operations. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Your racks of hypervisor hosts become one private cloud with Apache CloudStack, the open-source IaaS platform that deploys and manages large networks of virtual machines behind a single web interface and API. One cloud can mix hypervisors side by side, running KVM, XenServer or XCP-ng, and VMware vSphere clusters under the same control plane, each organized into regions, zones, pods, and clusters that mirror your physical datacenters and racks. Administrators provision instances from templates and ISO images, take volume and VM snapshots on schedules, and migrate running instances between hosts in a cluster without downtime. Built-in networking spans isolated and shared networks, VPCs with tiered virtual routers, load balancers with SSL offloading, VPNs, and firewall rules, all exposed both to admins and to end users through separate, customizable interfaces. Multi-tenancy is native: domains, accounts, usage metering, and resource quotas let providers bill departments or customers for what they consume. The 4.22 LTS release strengthens backup and disaster recovery, adds a CSI driver for CloudStack Kubernetes Service, and streamlines VMware-to-KVM migrations for teams consolidating onto open virtualization. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Managing Kubernetes shouldn't require every developer to become a Kubernetes expert — KubeSphere wraps cluster operations, CI/CD, service mesh, and observability into guided web workflows that operations teams configure once and developers consume without kubectl. The LuBan extensible architecture treats each capability as an independently installable extension plugging into a lightweight microkernel: enable DevOps without service mesh, add monitoring without the app store, compose exactly what your organization needs. Multi-cluster management provides a centralized control plane for provisioning and operating clusters across cloud providers, data centers, and edge locations with unified identity and resource quotas. The DevOps extension integrates Jenkins for graphical pipeline creation with S2I and B2I workflows, while Argo CD powers GitOps continuous deployment with real-time sync status. Istio-based service mesh provides traffic management, canary deployments, circuit breaking, and distributed tracing through the console without CLI knowledge. Prometheus monitoring with custom dashboards, Fluentd log collection with multi-tenant search, and alerting via Slack and email complete the observability stack. Multi-tenant workspace hierarchy enforces resource quotas and fine-grained RBAC roles across teams. A built-in Helm-based app store handles lifecycle management across clusters. KubeKey deploys production-grade clusters on bare metal or VMs with air-gapped support. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

QVMConsole turns a KVM host into a small private cloud where tenants create, clone, snapshot, and console into their own virtual machines from one web panel without ever touching the hypervisor. Create machines from templates, linked clones, or ISO images across x86_64 and ARM hosts with BIOS or UEFI firmware, multiple disks, and multiple network cards, then manage power, reinstalls, imports, and exports from the same console. Each tenant receives an isolated VPC built on Open vSwitch with its own logical switch, VLAN, DHCP, NAT, and access control, plus cloud-style security groups, port forwarding with health checks, bandwidth limits, and monthly traffic quotas. Storage pools span host disks and LVM volumes, VM disks migrate between pools online, and snapshots carry their own quotas with restore and UEFI safeguards. Open any machine in the browser through the noVNC console, complete with shortcut keys and one-click password paste, and follow long operations in an asynchronous task center that streams progress live. Administrators enforce two-factor authentication, confirm sensitive actions a second time, and cap every tenant by CPU, memory, disk, VM count, public IPs, and runtime hours through fine-grained quotas or a lightweight cloud mode. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Used by over 30,000 teams and 650+ enterprise customers managing more than 5.2 million containers, Rancher has earned recognition as a Leader in the Gartner Magic Quadrant for Container Management and the Forrester Wave for Multicloud Container Platforms. The platform provides a single pane of glass for provisioning, upgrading, and securing Kubernetes clusters across Amazon EKS, Google GKE, Microsoft AKS, RKE2, K3s, and any CNCF-conformant distribution. Multi-Cluster Management enables centralized authentication via Active Directory, LDAP, SAML, GitHub, and OpenID Connect with granular role-based access control at the cluster, project, and namespace levels. Fleet, the built-in GitOps engine, delivers continuous deployment across hundreds of clusters simultaneously using Helm charts, Kustomize, or raw YAML manifests from any Git repository. The integrated app catalog provides one-click deployment of Prometheus monitoring, Grafana dashboards, Longhorn persistent storage, Istio service mesh, and hundreds of community Helm charts. Rancher supports air-gapped installations for disconnected environments, CIS benchmark scanning for security compliance, and automated backup and restoration of cluster configurations. The dashboard offers real-time workload monitoring, log aggregation, pod shell access, and namespace-scoped resource quotas. Cluster templates enforce organizational standards through Helm-based provisioning policies that ensure consistent configurations across environments. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

ManageIQ gives operators one console for every cloud and hypervisor the organization runs, connecting to VMware, OpenStack, AWS, Azure, Google Cloud, Kubernetes, OpenShift, and Nutanix to continuously discover inventory, map relationships, and listen for changes without installing agents. Discovered estates become manageable: operators publish bundles of resources into a self-service catalog that end users order like apps, then govern the full life cycle through policy, compliance, delegated operations, and retirement. SmartState analysis scans the contents of VMs, hosts, and containers agentlessly, even foreign or uncooperative ones, feeding security and compliance policies that flag drift automatically. Utilization metrics reveal idle systems and right-sizing opportunities, with capacity planning and what-if scenarios before hardware purchases. Chargeback and showback assign rates to tenants, group VMs by tag or container images by label, and generate reports in multiple currencies. Embedded Ansible automation executes playbooks for provisioning and remediation, and the Spassky release adds Nutanix and Terraform Enterprise providers on a Rails 7.2 core. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

With over 4,300 GitHub stars and a v3 release adding built-in user management, team views, and multi-language support, Kubero has established itself as the most feature-complete open-source Heroku alternative running natively on Kubernetes. The platform operates as a Kubernetes operator with two containers — kubero-ui and the operator — storing all state in etcd without an external database. Developers push code via Git integration with GitHub, GitLab, Bitea, or Gitea, and Kubero automatically builds using Buildpacks, Nixpacks, Runpacks, or Dockerfiles, then deploys to the configured domain with SSL via cert-manager. CI/CD pipelines support up to four staging environments — review, test, staging, and production — with per-stage environment variable isolation and ephemeral review apps that spin up on pull request open and tear down on close. The template catalog includes over 170 pre-configured applications like WordPress, Grafana, and PostgreSQL deployable in one click, while managed add-ons provide highly available PostgreSQL, Redis, MySQL, Kafka, CouchDB, Elasticsearch, and MongoDB alongside your applications. Security features include Trivy vulnerability scanning, GitHub and OAuth2 single sign-on, basic auth, and a role-based permission system with API tokens. The NestJS backend with Vue.js and Vuetify frontend provides application metrics, real-time logs, a built-in web console for container access, scheduled cronjob management, and deployment notifications via Discord, Slack, or webhooks. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. GPL-3.0 licensed.

Compartment gives the small internal tools, private apps, and AI-built utilities your team keeps creating a proper place to live: your own Kubernetes, with one-command deploys, stable URLs, and sign-in handled for you. Install it into a cluster you already run, or let the guided installer provision a managed single-node Kubernetes host after showing you exactly what it will change. Each app is described by one small compartment.yml file naming its services, and from there deployment is a single command from your checkout, or a branch-driven flow when you connect the Git repository and let pushes roll out on their own. If an app can build into a container image with Docker or Railpack, it fits the model, and every deploy lands behind the edge ingress with its own URL and HTTPS from the first release. The browser Console becomes your operations surface for projects, deployment history, logs, and runtime variables, while SSO, role-based access, and audit logs replace the informal permission paths that grow around shared tools. Workloads stay isolated and can sit close to the private services, data stores, and internal APIs they need, without turning steady traffic into managed-platform spend. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

One binary is all that stands between you and every Kubernetes cluster you own: Kubewall opens a realtime web dashboard over all of them, with no agents to install and nothing phoning home. Switch between clusters from the sidebar and browse workloads, networking, storage, configuration, and access control in tables that update live as pods start, fail, and reschedule. Open any resource to inspect its overview, edit its manifest in the built-in YAML editor with validation, watch its events, or stream logs aggregated across pods and containers with search and tail controls. A command palette jumps straight to any resource type, while faceted filters and global search cut through thousands of objects by name, namespace, label, or image. Scale deployments, restart pods, trigger rollout restarts, and apply manifests with a click, or forward a cluster service to your local machine without memorising kubectl incantations. An integrated AI assistant, connected to OpenAI, Claude, Gemini, DeepSeek, OpenRouter, Ollama, or a local model, helps troubleshoot failures and review configurations right beside the resource it concerns. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

The Kubernetes project's own answer to cluster management UIs: maintained under SIG UI governance, Headlamp's roadmap tracks Kubernetes releases and its design philosophy reflects community needs rather than a vendor's product strategy. The React interface provides full read-write capabilities adapted to each user's RBAC permissions — delete, scale, edit, and restart buttons appear only when the authenticated user holds the corresponding cluster role, preventing accidental unauthorized actions. Multi-cluster support surfaces workloads across development, staging, and production from a single view without context switching. The plugin architecture drives extensibility through a curated catalog: an AI Assistant plugin answers natural-language cluster queries and performs operations via configurable LLM keys, Flux handles GitOps, Karpenter manages nodes. Integrated terminals provide browser-based exec access to running pods, live log streaming follows container output with filtering, and the YAML editor displays inline Kubernetes API documentation alongside resource definitions. Deployment creation forms let you configure containers, environment variables, volumes, and replicas without writing manifests. Side-by-side cluster comparison views surface differences in workload distribution. Works with any distribution: EKS, GKE, AKS, Minikube, Docker Desktop. Helm chart installation via the Headlamp repository with images on GitHub Container Registry. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Open Compute is a self-hosted Cloudflare Workers-compatible platform that runs your Workers, storage, and AI services on hardware you own, from one binary and one daemon. Deploy the Worker code you already wrote with its config file and framework adapters, then roll back to an earlier immutable deployment when a release misbehaves. Serve traffic locally or over HTTPS through the shared Gateway, with routes you control instead of a vendor account. Each instance stays isolated with its own data directory and credentials, while you switch between registered instances from the same operator view. Bindings cover the platform pieces applications actually need: key-value data, SQL databases, object storage, stateful objects, queues, durable multi-step workflows, scheduled cron, cache, vector search, and AI search. Logs and a live tail show what running Workers are doing right now, and health, backup, and recovery workflows keep a single machine manageable without a cluster. Verified upgrades roll back automatically when something fails, and object bytes can move to S3-compatible storage when local disk is no longer enough. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

You have a Proxmox cluster with spare capacity and people who keep asking you for a VM: ProxMate turns that cluster into an invite-only cloud where those people help themselves, inside limits you set. Invite links carry CPU, memory, and disk quotas, and tenants spin up VMs or LXC containers from an ISO, the Template Store, or twenty curated cloud images, pasting an SSH key to get a ready-to-SSH box in about a minute. Automatic placement picks the node with the image and the most free capacity, so nobody needs to learn your topology. Projects group machines with per-project usage totals and whole-project start and stop, and any VM can be shared with another tenant as viewer, operator, or manager, never with delete rights. Both a graphical noVNC console and a text console with copy and paste run in the browser, so access never needs open ports, and an optional per-VM browser IDE puts VS Code inside the guest. Backups run on schedules with rolling retention and one-click restore, snapshots are instant, power schedules stop dev boxes overnight, and time-boxed invites suspend access without deleting anything. Admins watch live per-VM sparklines, audit every action, and balance memory across nodes with live migration. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.

QuickStack transforms your standalone Linux server or cluster into a self-hosted platform-as-a-service that automatically compiles, deploys, and monitors full-stack applications and relational databases without vendor lock-in. Developers can trigger instant deployments directly from public or private Git repositories, upload custom Dockerfiles, or pull container images straight from private registries with automated webhook synchronization. The built-in application catalog enables one-click provisioning of production databases including PostgreSQL, MySQL, MariaDB, MongoDB, and Redis with preconfigured internal network isolation. Administrators can route traffic across custom domains with automated Let's Encrypt SSL certificate issuance, inspect real-time CPU and memory telemetry, stream container runtime logs, and launch in-browser web terminals. Teams can configure granular role-based access controls with single sign-on authentication, establish zero-trust ingress and egress network security policies, and orchestrate automated volume snapshots directly to S3 object storage. When infrastructure requirements expand, operators can attach additional worker nodes using lightweight join tokens to distribute workloads seamlessly across high-availability compute pools. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. GNU GPL v3.0 licensed.

Every cloud account grows the same way: a test instance nobody shut down, a storage bucket from a migration two years ago, a database whose owner left the company. Steward walks all four of your clouds, AWS, Alibaba Cloud, Google Cloud and Microsoft Azure, and writes down what is actually running in one inventory you can search instead of four consoles you half remember. The point is not the list, it is what the list connects to: open any resource and see its relationships, which services depend on it, what shares its network, what breaks if it disappears. Cleanup stops being a leap of faith, because every candidate deletion is reviewed against that dependency map first, showing the impact before execution and following the result of each action afterwards. Scheduled scans keep the picture honest without you remembering to look, reporting exactly which resources each scan added, removed or modified, and pinging Slack, Feishu, DingTalk or WeCom when a scan fails. Connect accounts, including through OIDC, run the first sweep, and the orphaned, idle and forgotten start standing out from the infrastructure you actually need. It runs as a single executable with the web console and database built in, under systemd on your server, behind your HTTPS proxy with token sign-in. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

The first container registry to reach CNCF graduated status with over 29,000 GitHub stars since VMware open-sourced it in 2016, Harbor transforms the basic Docker Distribution into a hardened enterprise registry with vulnerability scanning, supply chain signing, multi-datacenter replication, and project-level access control out of the box. Trivy scans every pushed image against the NVD, GitHub Advisory Database, and distribution-specific vulnerability feeds, with scan-on-push policies that block deployment of images exceeding configurable severity thresholds. Artifact signing through Cosign keyless signatures and Notation enforces content trust policies ensuring only cryptographically verified images reach production clusters. Policy-based replication synchronizes images and Helm charts between Harbor instances across multiple datacenters using repository, tag, and label filters with automatic retry and bandwidth throttling — enabling hybrid-cloud and disaster-recovery topologies. The RBAC model isolates projects with per-project quotas, robot accounts for CI/CD automation, webhook notifications, and audit logging that tracks every pull, push, delete, and configuration change. LDAP, Active Directory, and OIDC authentication integrate with existing identity providers, while the proxy cache transparently caches images from Docker Hub, Quay, and other upstream registries to reduce pull latency and rate-limit exposure. The RESTful API with embedded Swagger UI, tag retention policies, garbage collection scheduling, and immutable artifact rules complete the lifecycle management. Deploy via Docker Compose or Helm Chart on Kubernetes. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.