VMware Alternative for Enterprises

Break VMware lock-in with a planned, secure migration fully under your control

Whitestack offers Nephora (virtualization solution) and Chrysara (automated migration platform), enabling you to exit vendor lock-in with a clear strategy, expert guidance, and guaranteed operational continuity.

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Discover your migration plan

Ideal if you are facing rising costs/licensing fees, changes in support, or need to modernize your infrastructure without depending on a single vendor.

Benefits of Migrating to Whitestack

Freedom and transparency with a simpler operation, without compromising availability. Today, we position ourselves as a real, more accessible alternative—free from the licensing complexities of other suites.

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Greater Licensing Freedom

Reduce dependency on a single vendor and regain control over your infrastructure roadmap. Achieve more predictable scalability.

Open Source

Open-source technology that ensures auditability, adaptability, and technological sovereignty.

Strategic Partner, Not Just Support

We guide you through evaluation, pilot, migration, and operations. The focus is on successfully taking your project into production with expert, close, and specialized support.

Automatic High Availability

If a host fails, virtual machines automatically restart on another server, ensuring operational continuity.

Simplified and Centralized End-to-End Management

Install, manage, and scale your infrastructure with less complexity and lower operational overhead through an intuitive web interface.

Greater Cost Efficiency

We offer a flexible and transparent licensing structure without compromising technical capacity and reliability.

Nephora or Chrysara

Two products, one single outcome: exit VMware with an orderly transition and full control.

Nephora • Virtualization

Enterprise virtualization, simple and scalable

Nephora is a comprehensive platform for virtualization, management, and software-defined storage, built on leading open-source technologies.

  • Centralized and simplified management
  • Fast installation (USB / remote)
  • Automatic high availability
  • Storage replication
  • Legacy workload compatibility
  • Intuitive web interface

Chrysara • Migration

Automated migration, lower operational cost

Chrysara reduces manual effort and enables large-scale migrations with control and traceability.

  • Disk conversion and rehosting
  • Automatic target resource provisioning
  • Parallel migrations to accelerate processes
  • Checkpoint recovery and retries
  • Reporting and post-migration validation

What would the virtual machine migration plan look like?

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Initial assessment:

We analyze your servers, virtual machines, and how they interconnect. We identify what is most critical and define a phased migration plan.

Controlled testing:

We migrate a representative group of virtual machines, validate that everything works correctly, and fine-tune networking and storage to ensure the process is fully optimized.

Full migration:

We execute the migration in parallel phases, with constant monitoring, clear reporting, and continuous guidance to ensure stable operations.

Our clients

Leading enterprises trust us:

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Request a demo or assessment

We’ll contact you to understand your VMware environment and propose a concrete path forward with Nephora + Chrysara.

What do you need to get started?

With just 15 minutes of context (number of hosts/VMs, criticality, and timelines), we can already define a reasonable pilot.

Continuity

Wave-based plan with validations

Control:

Reporting and traceability.

FAQ

Whitestack works as a partner: assessment, pilot, wave-based migration, and operational support.

Migration is carried out progressively: pilot, post-migration validations, checkpoints, and wave-based execution. The focus is on minimizing risk.

Chrysara automates conversion, rehosting, parallel execution, reporting, and targeted retries for the VMs that require them.

Yes: it is designed to run traditional applications without modification, with simple management and automatic high availability.

It depends on the volume and complexity, but the project is executed in phases: assessment, pilot, and parallel waves. This approach allows for progressive progress without disrupting operations.

We work with open technologies and industry standards, enabling integration with existing networks, storage, and tools. Compatibility is validated during the initial assessment.

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