5 Best Open Source AWS Aurora Alternatives
A curated collection of the 5 best open source and self-hosted alternatives to AWS Aurora in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for AWS Aurora in 2026? The top open-source alternative is Supabase — Open source Postgres development platform.
Other highly rated open-source AWS Aurora alternatives include TiDB, Neon Postgres and Turso.
Open source Postgres development platform
Supabase is an open-source platform that provides developers with a full suite of tools to build scalable applications quickly. Built on top of PostgreSQL, it offers integrated features like authentication, real-time data synchronization, edge functions, and storage. - Postgres Database: Full PostgreSQL database with built-in authentication and Row Level Security (RLS). - Authentication: Secure user sign-ups and logins with RLS for data protection. - Edge Functions: Write and deploy custom code without managing servers. - Realtime: Enable multiplayer experiences with live data synchronization. - Storage: Store, organize, and serve large files like videos and images. - Vector Embeddings: Integrate ML models to store, index, and search vector embeddings. - Instant APIs: Ready-to-use REST APIs for seamless data access. - Dashboard: Manage your app directly from the dashboard with tools like Table Editor, SQL Editor, and RLS Policies. Supabase is open-source and can be self-hosted. It is built on PostgreSQL, making it highly portable and extensible. The platform is trusted by fast-growing companies worldwide and offers a free tier to get started.
Fully managed auto-scaling SQL database
TiDB Cloud is a fully managed, auto-scaling SQL database designed for modern applications, including AI workloads. Built on open-source TiDB, it offers seamless scalability, high availability, and compatibility with MySQL. - Auto-scaling: Dynamically adjusts resources to handle fluctuating workloads without manual intervention. - MySQL Compatibility: Fully compatible with MySQL, enabling easy migration and integration. - High Availability: Multi-region deployments ensure uptime and data durability. - AI-Optimized: Purpose-built for AI applications, including vector search and persistent context for agents. - Generous Free Tier: Start for free with scalable resources and pay-as-you-go pricing. - Global Reach: Deploy in multiple regions for low-latency access worldwide. - Security & Compliance: Enterprise-grade security with GDPR and SOC 2 compliance. TiDB Cloud is a fully managed service, but the open-source TiDB database can be self-hosted for complete control. Self-hosted deployments support Kubernetes, bare metal, and cloud environments. For AI workloads, TiDB provides native vector indexing and retrieval-augmented generation (RAG) pipelines.
Postgres backends for apps and agents
Neon is a serverless Postgres database platform built for modern applications and AI agents. It combines Lakebase Postgres with integrated authentication, serverless functions, S3-compatible storage, and an AI gateway into a unified backend. - Lakebase Postgres: Storage-compute separation for instant scaling and branching - Built-in Auth: Authentication integrated directly into your database - Serverless Functions: Compute next to your data for low-latency operations - Object Storage: S3-compatible storage that branches alongside your database - AI Gateway: Single API for frontier and open-source AI models - Autoscaling: Automatic instance sizing based on workload demands - Branching: Faster Postgres workflows with instant database branches - Instant Restore: Recover from mistakes in seconds - Vector & Hybrid Search: Advanced search capabilities for AI applications Neon is a fully managed cloud service built on Lakebase Postgres architecture. While the core technology is open source (available at https://github.com/neondatabase/neon), the managed service includes additional features like the AI gateway, authentication, and advanced tooling. The platform is designed for high availability with automatic failover and regional replication. For self-hosting the open-source components, documentation is available in the GitHub repository, though the full managed experience requires Neon's cloud infrastructure.
Lightweight SQLite database for AI agents
Turso is a lightweight, cloud-native database built on SQLite, optimized for the era of AI agents. It enables developers to deploy databases everywhere—on servers, in browsers, or on devices—just like files, with no cold starts or wake-up penalties. - Millions of Databases: Spin up unlimited databases for every user, agent, or tenant at minimal cost. - Vector Search: Native similarity search for AI apps and RAG workflows, no extensions required. - Concurrent Writes: Multiple writers with zero conflicts, eliminating locking issues. - Browser & Persistence: Runs in the browser with WebAssembly and OPFS for offline-first applications. - SQLite Compatible: Fully backwards compatible with SQLite, extending its capabilities for modern workloads. - Always On: Databases are files, not processes, ensuring no cold starts or scale-to-zero penalties. - Branching: Create isolated Copy-on-Write branches for rapid experimentation and rollbacks. - Replication & Sync: Keep devices in sync with each other on demand via Turso Cloud. - Analytics: Monitor performance and usage across databases in real-time. Turso is built on libSQL, an open-source fork of SQLite, and is available as: - Turso Cloud: Fully managed cloud service with unlimited databases. - Embedded Engine: Deploy Turso locally or on-device for offline-first applications. - Self-Hosting: The open-source libSQL engine can be self-hosted for full control over your infrastructure. Turso is designed to scale effortlessly, making it ideal for AI-driven applications, multi-tenant systems, and edge computing scenarios.
Unified distributed database for transactions, analytics, and AI
OceanBase is a unified distributed database designed to handle transactional, analytical, and AI workloads with ultra-fast performance. It maintains world records in both TPC-C (OLTP) and TPC-H (analytics) benchmarks, demonstrating its exceptional scalability and efficiency. - Unified Database: Supports OLTP, real-time analytics, and AI workloads in a single system - World-Record Performance: Holds TPC-C and TPC-H benchmark records for speed and scalability - Global Deployment: Enables multi-cloud and global application deployment with active geo-redundancy - Elastic Scaling: Automatically scales to handle peak traffic demands without downtime - Mission-Critical Reliability: Powers critical systems for 400+ enterprises including Alipay - Open Source Community Edition: Free, open-source distributed database available - AI Lakebase: Specialized version for operational data, real-time analytics, and AI applications - Database Consolidation: Supports multi-tenant architectures for efficient resource utilization OceanBase offers multiple deployment options: - OceanBase Cloud: Fully managed cloud service for easy deployment and scaling - OceanBase Enterprise: Self-hosted version for on-premises or private cloud deployment - Community Edition: Open-source version available on GitHub for self-hosting - OceanBase seekdb: Open-source AI-native search database The database is compatible with standard SQL interfaces and provides connectors for various programming languages and frameworks. Comprehensive documentation and training resources are available for all deployment options.
About AWS Aurora
Amazon Aurora is a fully managed relational database service designed for the cloud, delivering high performance and scalability with full compatibility with MySQL and PostgreSQL. It combines the speed and reliability of high-end commercial databases with the simplicity and cost-effectiveness of open-source databases.
Key Features of AWS Aurora
- High Performance: Up to 5x faster than standard MySQL and 3x faster than PostgreSQL databases.
- Global Availability: Supports multi-region deployments with low-latency read replicas.
- Automatic Scaling: Automatically scales compute and storage resources based on demand.
- High Durability: Provides 99.99% availability and automated backups with point-in-time recovery.
- Serverless Option: Aurora Serverless v2 automatically adjusts capacity to match application needs.
- Security: Built-in encryption, network isolation, and compliance with major security standards.
- Cost-Effective: Pay-as-you-go pricing with no upfront costs or long-term commitments.
- Fully Managed: Automated patching, monitoring, and maintenance by AWS.
Tech / Self-Hosting
Aurora is a fully managed cloud service and cannot be self-hosted. It runs exclusively on AWS infrastructure, providing seamless integration with other AWS services like Lambda, EC2, and RDS.