VergeOS adds CSI driver, Cloud Controller Manager, Cluster Autoscaler, and Rancher node driver — letting VMware shops running Kubernetes retire vSphere licensing, distribution licensing, and overlay storage in a single platform decision.

ANN ARBOR, Mich.--(BUSINESS WIRE)-- VergeIO, the Private Cloud Operating System company, today announced general availability of Kubernetes support in VergeOS. The release adds a CSI storage driver, Cloud Controller Manager, Cluster Autoscaler, and Rancher node driver with UI extension, all distributed as Helm charts from the verge-io repository on GitHub. Together, the components let VMware customers running Kubernetes collapse three separate licensing taxes — vSphere, a Kubernetes distribution, and overlay storage — into a single platform.

VMware shops running Kubernetes today pay three separate vendors to do one job. They pay Broadcom for vSphere licensing to host cluster nodes. They pay a Kubernetes distribution tax — Tanzu, OpenShift, or Rancher Prime. Many pay a third tax for overlay storage like Longhorn or Portworx because vSphere storage policies do not extend cleanly into Kubernetes without commercial Tanzu add-ons. VergeOS now handles all three layers natively. Rancher remains the management plane customers already use. Workloads move on the customer's timeline.

Support, Not a Distribution

VergeIO is not introducing a Kubernetes distribution. The support layer assumes customers already run a distribution they trust — RKE2, K3s, vanilla upstream, or a vendor distribution — and provides the platform underneath. Four components ship in this release:

• CSI Driver — delegates storage operations directly to the VergeOS API, so persistent volumes participate in the full VergeFS feature set including inline deduplication, multi-tier placement, and integrated snapshots.
• Cloud Controller Manager — integrates VergeOS VMs as first-class Kubernetes nodes, automatically populating provider IDs, instance metadata, and IP addresses, with native VNet-based LoadBalancer services on the near term roadmap.
• Rancher Node Driver — provisions, manages, and autoscales Kubernetes clusters on VergeOS through Rancher. The Docker Machine driver clones VM templates, injects SSH keys via cloud-init, configures CPU and memory, attaches networks, and powers on. Node pools scale up and down automatically based on pending pod resource requests, executed against VergeOS compute capacity.
• Rancher UI Extension — surfaces VergeOS-specific cloud credential and machine configuration forms inside the Rancher UI. Operators get the same provisioning experience for VergeOS clusters as for vSphere, with no context switch and no separate tool.

"Customers shouldn't have to rebuild their applications to leave VMware — and once they leave, they shouldn't be locked in again. With Rancher on VergeOS, the workloads move, and they stay portable."

— Jason Yaeger, SVP of Product and Engineering, VergeIO

Validated in Production

NGAMING, the group that brings together Türkiye's leading brands in the digital entertainment and gaming sector — including NESINE, Atyarisi.com, and Liderform — served as the design partner during the development process. The Nesine engineering team worked in close collaboration with VergeIO during the MVP phase to successfully validate the CSI Driver, Cloud Controller Manager, and Rancher Node Driver against real production workloads. Nesine has approved the Kubernetes support layer for use in its production environment.

Three Customer Situations

Kubernetes support in VergeOS addresses three distinct VMware-customer situations.

Situation 01: Rancher Inside vSphere

Customers running Rancher to manage Kubernetes clusters inside vSphere can keep their Rancher control plane unchanged and replace the substrate underneath. Application teams see no change in their day-to-day Kubernetes operations. Platform teams see the vSphere renewal disappear.

Situation 02: Tanzu Kubernetes Grid Customers

Customers running Tanzu Kubernetes Grid facing Broadcom roadmap uncertainty and bundled licensing pressure can run new clusters on VergeOS while existing TKG clusters continue to operate. Rancher manages both for the duration of the migration. Workloads move on the customer's timeline — stateless services first, stateful workloads after the new platform validates under real load.

Situation 03: Bare-Metal Kubernetes

Customers running Kubernetes directly on bare metal can add hypervisor benefits — live migration, integrated DR, and a shared snapshot model — without changing their Kubernetes operations workflow. RKE2 and K3s clusters provisioned on VergeOS gain VM-level isolation and unified storage policy across containerized and traditional workloads.

Go Deeper

The full architectural argument, technical overview, live demonstration, and complete research collection live behind four destinations:

• White Paper — Collapsing the Kubernetes Stack. The 14-minute long-form architectural argument. The Three-Tax Model, the four-Helm-chart Kubernetes support layer, three customer situations, and stateful Kubernetes data resilience. Get the paper
• Datasheet — Kubernetes Without the VMware Tax. Technical overview with the three customer scenarios, before/after architecture, the four-step deployment flow, production validation, evaluation framework, and FAQ. View the datasheet
• Live Webinar · May 20. VergeIO Principal Engineer David Zarzycki provisions a Kubernetes cluster on VergeOS through Rancher live on the call. May 20, 2026 at 1:00 PM ET. Register now
• Research Center — Kubernetes Without the VMware Tax. The campaign's research-backed resource collection. White paper, datasheet, webinar registration, and the work behind every claim in this announcement. See here.

Availability

All four components are generally available now and downloadable as Helm charts from the verge-io repository on GitHub.

About VergeIO

VergeIO is the Private Cloud Operating System company, headquartered in Ann Arbor, Michigan. Its platform, VergeOS, collapses virtualization, storage, networking, and data protection into a single integrated software stack running on commodity hardware. VergeOS is a leading VMware alternative, recognized by DCIG as a Top 5 VMware Alternative across both the SME and SLED categories. The company has grown annual recurring revenue more than 80 percent year over year and serves enterprise, public sector, and service provider customers worldwide. Learn more at www.verge.io.

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Media Contact

Judy Smith JPR Communications for VergeIO [email protected] 818-522-9673

Source: VergeIO