3 Best Open Source Microsoft Azure Alternatives
A curated collection of the 3 best open source and self-hosted alternatives to Microsoft Azure in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Microsoft Azure in 2026? The top open-source alternative is OpenStack — Open source cloud computing infrastructure platform.
Other highly rated open-source Microsoft Azure alternatives include Cozystack and Vertex AI.
Open source cloud computing infrastructure platform
OpenStack is a set of open-source software components that provide common services for cloud infrastructure. It enables organizations to build and manage private and public clouds with flexibility and scalability. - Compute (Nova): Manages and provisions virtual machines and bare metal servers - Networking (Neutron): Provides network connectivity as a service - Storage (Cinder, Swift): Offers block and object storage solutions - Dashboard (Horizon): Web-based user interface for managing cloud resources - Identity (Keystone): Centralized authentication and authorization system - Image Service (Glance): Manages disk images for virtual machines - Orchestration (Heat): Provides template-based infrastructure deployment - Bare Metal (Ironic): Manages bare metal hardware provisioning - Container Orchestration (Magnum): Supports containerized workloads - Edge Computing Support: Enables distributed cloud deployments - Multi-hypervisor Support: Compatible with KVM, QEMU, LXC, and more - High Availability: Designed for production environments with redundancy OpenStack is designed for self-hosting and can be deployed on bare metal servers or virtual machines. It supports various deployment tools including OpenStack Ansible, Kolla, and TripleO. The platform is highly customizable and can be tailored to specific infrastructure requirements. Documentation is available at docs.openstack.org.
Transform bare metal servers into a complete cloud platform with REST API for Kubernetes clusters, databases, VMs, and load balancers. Build your own cloud.
Transform bare metal servers into a complete cloud platform with REST API for Kubernetes clusters, databases, VMs, and load balancers. Build your own cloud.
Build and deploy enterprise-grade AI agents
Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize enterprise-grade AI agents. It provides a single destination for technical teams to transform enterprise applications and workflows into powerful agentic systems. - Unified Agent Development: Build, scale, and govern AI agents with enterprise-grade tools - Model Selection: Access 200+ Google and third-party AI models including Gemini 3.5, Anthropic's Claude, and open models like Gemma - Model Customization: Train, test, and tune ML models with enterprise-grade evaluation tools - Workflow Orchestration: Deploy multiple agents to execute complex workflows like product launches - Governance & Security: Securely register, manage, and govern custom-built agents - Antigravity Integration: Centralized app for steering, customizing, and orchestrating agents - Production Deployment: Deploy models for production use with built-in scaling capabilities - Data Integration: Accelerate agent development with unified data and AI capabilities Gemini Enterprise Agent Platform is a fully managed cloud service provided by Google Cloud. It does not require self-hosting as it operates as a SaaS platform with enterprise-grade infrastructure, security, and compliance features. The platform is designed for global scale and includes built-in governance, security, and optimization tools. For developers looking to extend functionality, Google provides sample code, notebooks, and documentation through their GitHub repository (https://github.com/GoogleCloudPlatform/vertex-ai-samples/).
About Microsoft Azure
Microsoft Azure is a leading cloud computing platform offering over 200 integrated services to build, deploy, and manage applications across a global network of data centers. Azure provides infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) to support virtually any workload.
Key Features of Microsoft Azure
- Compute Services: Virtual machines, serverless computing, Kubernetes service (AKS), and container instances
- Databases: Azure Cosmos DB, SQL Database, PostgreSQL, and managed Redis
- AI & Machine Learning: Azure OpenAI, Machine Learning, and Cognitive Services
- DevOps & CI/CD: Azure DevOps, GitHub integration, and monitoring tools
- Security & Compliance: Microsoft Defender for Cloud, Azure Monitor, and Sentinel
- Hybrid & Multi-Cloud: Azure Arc for managing resources across on-premises and cloud environments
- Cost Management: Pricing calculator, savings plans, and FinOps tools
- Global Infrastructure: 60+ regions worldwide with high availability and low latency
Tech / Self-Hosting
Azure is a fully managed cloud platform with no self-hosting option. It operates on Microsoft's global infrastructure and requires an Azure account for access. The platform supports hybrid cloud deployments through Azure Arc and offers on-premises solutions like Azure Stack for edge computing scenarios.