Why look beyond Red Hat OpenShift
Red Hat OpenShift, built on Kubernetes, provides a comprehensive platform for enterprise-grade container orchestration, application development, and hybrid cloud management. It extends Kubernetes with integrated developer tools, CI/CD pipelines, and a robust web console, making it suitable for organizations requiring extensive control and a consistent experience across diverse environments. Its compliance certifications, including SOC 2 Type II and ISO 27001, also position it well for regulated industries.
However, organizations may explore alternatives for several reasons. OpenShift's extensive feature set and enterprise focus can result in a higher operational overhead and cost compared to more streamlined managed Kubernetes offerings. For teams already invested in a specific public cloud ecosystem (AWS, Azure, or Google Cloud), using that cloud provider's native Kubernetes service (EKS, AKS, GKE) can simplify integration, leverage existing cloud credits, and potentially reduce egress costs. Smaller teams or projects with less stringent compliance requirements might find the full OpenShift suite to be more than they need, preferring simpler, more cost-effective managed solutions. Additionally, the managed service offerings of public cloud providers often abstract away more of the underlying infrastructure management, potentially freeing up developer and operations teams to focus on application logic rather than platform maintenance.
Top alternatives ranked
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1. Amazon Elastic Kubernetes Service (EKS) โ Managed Kubernetes on AWS
Amazon Elastic Kubernetes Service (EKS) is a managed Kubernetes service that simplifies running Kubernetes on AWS without needing to install, operate, and maintain your own Kubernetes control plane. EKS automatically manages the availability and scalability of the Kubernetes control plane nodes. It integrates with other AWS services, including Elastic Load Balancing for load distribution, Amazon VPC for network isolation, and AWS Identity and Access Management (IAM) for authentication and authorization. EKS supports running applications on EC2 instances or AWS Fargate for serverless container deployment. Its integration with the broader AWS ecosystem can be advantageous for organizations already using AWS for other services, offering a unified operational model and billing system.
Best for: Organizations deeply integrated with the AWS ecosystem, those seeking a managed Kubernetes control plane, or users preferring serverless container options with AWS Fargate.
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2. Google Kubernetes Engine (GKE) โ Fully managed Kubernetes service
Google Kubernetes Engine (GKE) is a managed environment for deploying, managing, and scaling containerized applications using Kubernetes on Google Cloud's infrastructure. GKE provides a fully managed control plane and offers features like auto-upgrades, auto-repair, and autoscaling for nodes and pods. It integrates with Google Cloud's extensive suite of services, including Cloud Load Balancing, Cloud Logging, and Cloud Monitoring. GKE pioneered many Kubernetes features, such as Autopilot mode, which automates cluster management and optimizes resource allocation, allowing users to focus solely on their workloads. Its strong open-source roots and contributions to Kubernetes development make it a preferred choice for those prioritizing the latest Kubernetes features and robust automation.
Best for: Organizations already using Google Cloud, those requiring advanced Kubernetes features and automation (like Autopilot), or developers prioritizing integration with Google's AI/ML and data services.
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3. Azure Kubernetes Service (AKS) โ Managed Kubernetes on Azure
Azure Kubernetes Service (AKS) is a managed container orchestration service that simplifies the deployment and management of Kubernetes clusters on Azure. AKS manages the Kubernetes control plane and provides features like integrated CI/CD with Azure DevOps, serverless Kubernetes with Azure Container Instances (ACI), and advanced identity and access management through Azure Active Directory. It offers a hybrid deployment option with Azure Arc, allowing consistent Kubernetes management across Azure, on-premises, and multi-cloud environments. AKS is designed to integrate seamlessly with other Azure services such as Azure Monitor, Azure Policy, and Azure Virtual Networks, providing a comprehensive platform for building and scaling applications within the Azure ecosystem.
Best for: Organizations with existing investments in Azure, those requiring strong integration with Microsoft's developer tools and services, or users seeking hybrid cloud Kubernetes management with Azure Arc.
- Azure Kubernetes Service profile page
- Learn about Azure Kubernetes Service
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4. DigitalOcean Kubernetes โ Developer-friendly managed Kubernetes
DigitalOcean Kubernetes (DOKS) offers a managed Kubernetes service designed for simplicity and developer experience. It provides a straightforward way to deploy and manage Kubernetes clusters on DigitalOcean's cloud infrastructure, abstracting away much of the operational complexity. DOKS integrates with DigitalOcean's other services, such as Load Balancers, Block Storage, and Databases, enabling a comprehensive application stack. It focuses on ease of use, making it suitable for developers and small to medium-sized businesses looking for a cost-effective and low-overhead Kubernetes solution. DOKS clusters come with a free control plane and predictable pricing based on node usage.
Best for: Startups, SMBs, and individual developers seeking a cost-effective, easy-to-use managed Kubernetes platform with predictable pricing and a strong focus on developer experience.
- DigitalOcean Kubernetes profile page
- DigitalOcean Kubernetes overview
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5. Linode Kubernetes Engine (LKE) โ Affordable, managed Kubernetes
Linode Kubernetes Engine (LKE) is a managed Kubernetes service that provides readily deployable and scalable Kubernetes clusters. It aims to offer a balance between ease of use and control, allowing developers to focus on their applications rather than infrastructure management. LKE integrates with Linode's cloud infrastructure, including Load Balancers, Block Storage, and Object Storage, to provide a complete environment for containerized applications. Its pricing model is based on the underlying Linode compute instances, offering a transparent and competitive cost structure. LKE is often chosen by users looking for a managed Kubernetes solution with straightforward pricing and robust performance, particularly for general-purpose workloads.
Best for: Developers and small to medium-sized businesses seeking an affordable, managed Kubernetes offering with predictable pricing and a focus on core Kubernetes functionality.
- Linode Kubernetes Engine profile page
- Explore Linode Kubernetes Engine
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6. Rancher โ Open-source Kubernetes management
Rancher is an open-source container management platform that provides a complete software stack for teams to adopt and manage Kubernetes. It simplifies the deployment and management of Kubernetes clusters anywhere, whether on-premises, in the cloud, or at the edge. Rancher supports managing multiple Kubernetes clusters from a single console, including those created by EKS, AKS, GKE, and K3s. It offers a rich set of features for cluster provisioning, security, policy enforcement, and workload management. Unlike the fully managed services, Rancher provides more control over the underlying Kubernetes infrastructure, making it suitable for organizations that require a high degree of customization or operate in hybrid and multi-cloud environments.
Best for: Enterprises needing to manage multiple Kubernetes clusters across diverse environments (hybrid, multi-cloud), or teams requiring greater control and customization over their Kubernetes deployments.
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7. VMware Tanzu โ Enterprise Kubernetes portfolio
VMware Tanzu is a portfolio of products and services designed to help enterprises build, run, and manage modern applications on Kubernetes. It extends VMware's virtualization expertise to containerized environments, offering solutions for Kubernetes operations, application development, and security. Tanzu includes components like Tanzu Kubernetes Grid for consistent Kubernetes deployments across clouds and on-premises, Tanzu Application Platform for developer productivity, and Tanzu Mission Control for multi-cluster management. It is particularly strong for organizations that have existing VMware infrastructure and are looking to modernize their applications and adopt Kubernetes without completely overhauling their operational models, providing enterprise-grade support and integrations.
Best for: Enterprises with existing VMware infrastructure, organizations seeking a comprehensive suite of tools for application modernization on Kubernetes, or those requiring strong enterprise support and integrations.
- VMware Tanzu profile page
- Learn about VMware Tanzu
Side-by-side
| Feature | Red Hat OpenShift | Amazon EKS | Google Kubernetes Engine (GKE) | Azure Kubernetes Service (AKS) | DigitalOcean Kubernetes (DOKS) | Linode Kubernetes Engine (LKE) | Rancher | VMware Tanzu |
|---|---|---|---|---|---|---|---|---|
| Deployment Model | Self-managed, managed services | Managed service | Managed service | Managed service | Managed service | Managed service | Self-managed, managed by SUSE | Self-managed, managed by VMware |
| Control Plane Management | Customer (self-managed), Red Hat (managed) | AWS-managed | Google-managed | Azure-managed | DigitalOcean-managed | Linode-managed | Customer-managed | Customer-managed |
| Integrated Developer Tools | High (OpenShift Pipelines, GitOps, odo CLI) | Moderate (integrates with AWS Developer Tools) | Moderate (integrates with Cloud Build, Cloud Code) | High (integrates with Azure DevOps, GitHub Actions) | Low (focus on core Kubernetes, integrates with third-party tools) | Low (focus on core Kubernetes, integrates with third-party tools) | Moderate (fleet, GitOps functionality) | High (Tanzu Application Platform) |
| Hybrid Cloud Support | Excellent | Good (via AWS Outposts, EKS Anywhere) | Good (via Anthos, GKE on-prem) | Excellent (via Azure Arc) | Limited (focus on DigitalOcean cloud) | Limited (focus on Linode cloud) | Excellent | Excellent (Tanzu Kubernetes Grid) |
| Serverless Containers | OpenShift Serverless (Knative) | AWS Fargate | Cloud Run (via GKE Autopilot) | Azure Container Instances (ACI) | No native serverless container option | No native serverless container option | Supports Knative | Supports Knative |
| Enterprise Focus | High | High | High | High | Medium | Medium | High | High |
| Pricing Model | Subscription, usage-based | Control plane fee + node usage | Control plane fee (free for Autopilot) + node usage | No control plane fee + node usage | Node usage only (free control plane) | Node usage only (free control plane) | Open-source (free), enterprise support subscription | Subscription-based |
How to pick
Selecting the right Kubernetes platform involves evaluating your organization's existing infrastructure, budget, technical expertise, and specific application requirements. Start by assessing your current cloud strategy:
- Cloud Provider Alignment: If your organization is heavily invested in a specific public cloud, choosing its native Kubernetes service often makes the most sense. For AWS users, Amazon EKS provides deep integration with AWS services and a robust ecosystem. Google Cloud users will find Google Kubernetes Engine (GKE) to be a natural fit, offering advanced automation and early access to new Kubernetes features. For those on Azure, Azure Kubernetes Service (AKS) offers strong hybrid cloud capabilities with Azure Arc and seamless integration with Azure DevOps.
- Budget and Scale: For startups, SMBs, or projects with tighter budgets, DigitalOcean Kubernetes (DOKS) and Linode Kubernetes Engine (LKE) offer more predictable and often lower-cost entry points with free control planes. These are excellent for general-purpose workloads where extensive enterprise features are not critical.
- Control and Customization: If you require significant control over your Kubernetes clusters, including the ability to run them on-premises or across multiple clouds, Rancher provides an open-source management platform that can orchestrate clusters anywhere. This is ideal for organizations with complex compliance needs or specific operational requirements that necessitate hands-on cluster management.
- Enterprise Features and Hybrid Environments: For large enterprises with existing virtualization investments or complex hybrid cloud strategies, VMware Tanzu offers a comprehensive suite of products that integrate with existing VMware infrastructure while providing enterprise-grade Kubernetes capabilities. Red Hat OpenShift also excels in this area, but Tanzu provides an alternative for VMware-centric environments.
- Developer Experience and Tooling: Consider the integrated developer experience. OpenShift is known for its extensive developer tooling and CI/CD features. While EKS, GKE, and AKS integrate with their respective cloud provider's developer services, platforms like OpenShift or VMware Tanzu often provide a more opinionated and integrated developer workflow out-of-the-box, which can accelerate development for certain teams.
Ultimately, the best alternative depends on balancing these factors. A proof-of-concept with a few leading candidates can help determine which platform best meets your technical and operational needs.