Top Alternatives to OpenStack

QEMU (Quick Emulator) is a versatile and powerful open-source hardware virtualizer and emulator. It allows you to run operating systems and programs designed for different architectures on your existing hardware. Acting as a hosted hypervisor, QEMU provides a virtual machine monitor for executing guest systems.

Xen Project is a widely adopted open-source hypervisor known for its performance and robust security features. Utilizing a microkernel design, it enables multiple operating systems to run concurrently on the same hardware, making it ideal for cloud computing and server virtualization.

VMware vSphere Hypervisor, also known as ESXi, is a free, bare-metal hypervisor that allows users to virtualize their server hardware, consolidating applications and improving resource utilization. It provides a robust foundation for building virtualized IT environments.

Google App Engine is a fully managed platform-as-a-service (PaaS) that allows developers to build and host scalable web applications and mobile backends. It handles infrastructure provisioning, scaling, and maintenance, letting developers focus on writing code.

Proxmox VE is a leading open-source platform for enterprise virtualization. It integrates KVM and LXC, offering a unified solution for managing virtual machines and containers via a central web interface.

Amazon Elastic Compute Cloud (EC2) provides scalable, secure, and resizable virtual servers in the cloud. It's a core component of AWS, enabling developers and businesses to run applications with flexibility and control over computing resources.

Microsoft Azure is a comprehensive cloud computing platform offering a vast array of services for building, deploying, and managing applications, services, and systems across a global network of Microsoft-managed data centers. It provides infrastructure, platform, and software-as-a-service capabilities for diverse business needs, from web hosting and virtual machines to data analytics and AI.

Linode offers flexible and reliable cloud hosting solutions, specializing in virtual private servers (VPS). Known for its developer-friendly platform and competitive pricing, Linode provides a range of services from basic VPS instances to Kubernetes and object storage, making it suitable for developers, small businesses, and enterprises.

CloudSigma provides a highly flexible and customizable cloud computing platform offering instant provisioning of virtual servers and bare-metal machines. It caters to businesses and developers seeking complete control over their infrastructure with granular resource allocation and a pay-as-you-go pricing model.

Microsoft Hyper-V Server is a dedicated, lean hypervisor-based virtualization platform for creating and managing virtual machines. It provides core virtualization capabilities including live migration and clustering, offering a robust foundation for datacenter and cloud environments.

Nanobox is a development platform designed to simplify application building, deployment, and management. It provides consistent local development environments and seamless cloud deployment across various providers, allowing developers to concentrate on coding rather than infrastructure configuration.

Virtkick is a comprehensive cloud control panel and billing software tailored for hosting providers. It simplifies VPS management, offering advanced features like clustering, live migration, and integrated billing solutions to streamline operations and empower growth.

Sadeem is a comprehensive cloud-based platform specializing in Virtual Private Server (VPS) hosting and management, built on advanced virtualization technologies. It offers a robust environment for deploying and managing virtual machines and containers, with a focus on scalability and reliability.

CoreOS, now part of Red Hat, is a lightweight Linux-based operating system designed specifically for containerized workloads and clustered deployments. It focuses on automation, ease of management, and security through features like atomic updates and built-in container orchestration hooks.

Cloud Foundry is an open-source, multi-cloud Platform-as-a-Service (PaaS) designed to simplify the deployment, scaling, and management of applications. It offers developers a comprehensive environment to build and run applications without managing the underlying infrastructure.