The best open source alternative to AWS Aurora is Supabase. If that doesn't suit you, we've compiled a ranked list of other open source AWS Aurora alternatives to help you find a suitable replacement. Other interesting open source alternatives to AWS Aurora are: TiDB, Neon Postgres, Turso, and OceanBase.
AWS Aurora alternatives are mainly Relational Databases (SQL) but may also be Backend-as-a-Service (BaaS) Tools or NoSQL & Document Databases. Browse these if you want a narrower list of alternatives or looking for a specific functionality of AWS Aurora.
A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Supabase is an open-source platform that revolutionizes backend development, providing developers with a comprehensive suite of tools to build modern applications quickly and efficiently. At its core, Supabase offers:
Supabase combines these features into a cohesive, developer-friendly platform that scales with your needs. Whether you're building a small prototype or a large-scale application, Supabase provides the tools and flexibility to bring your ideas to life quickly and efficiently. With its open-source nature, you benefit from a transparent, community-driven ecosystem and the freedom to self-host or use the managed cloud service.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Distributed SQL database combining OLTP and OLAP capabilities, offering horizontal scalability, high availability, and real-time analytics.

TiDB is a powerful, open-source distributed SQL database that seamlessly combines online transactional processing (OLTP) with online analytical processing (OLAP) workloads. This innovative database solution offers:
TiDB empowers businesses to make data-driven decisions faster, simplify their database infrastructure, and reduce operational costs. Whether you're dealing with large-scale e-commerce, financial services, or IoT data, TiDB provides the performance, scalability, and reliability needed for modern applications.
Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing

Neon Postgres revolutionizes database management with its serverless, cloud-native architecture. Built for modern applications, it offers a powerful combination of features that enhance developer productivity and optimize resource usage.
Key benefits include:
Neon Postgres combines the reliability of traditional databases with the flexibility of cloud-native solutions, making it an ideal choice for startups, enterprises, and everything in between. Experience the future of database management with Neon Postgres.
Turso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.

Turso is a powerful database solution designed for developers who want the simplicity of SQLite with the scalability needed for production environments.
Here's why Turso stands out:
Multi-tenant AI Applications: Turso enables you to create personalized LLM instances with infinite context windows using unlimited databases. This feature is perfect for building AI-powered applications that require separate data stores for each user or context.
On-Device Capabilities: Turso offers SDKs for mobile and on-device AI, allowing you to build powerful offline-capable apps across major platforms. You can optimize LLMs locally using Turso's SQLite-based database within your application, ensuring data privacy and reducing network latency.
Vector Search Integration: Seamlessly integrate Vector Embeddings with relational data in single transactions. This feature is crucial for AI and machine learning applications that require efficient similarity searches.
Open Source and Secure: Built on libSQL, an open-source SQLite-compatible database engine, Turso ensures your data is always portable. It offers encryption at rest and in transit, with SOC2 and HIPAA compliance available out of the box.
Developer-Friendly Experience: Enjoy a simple developer experience that feels like working with SQLite. Turso provides flexible development options, allowing you to work locally or remotely and deploy globally when ready.
Scalability and Performance: With features like automatic sync and programmable conflict resolution, Turso keeps your app data fresh and consistent across multiple instances. Its API-first approach and platform API enable efficient, programmatic database management at scale.
Whether you're building a complex AI application, a mobile app with offline capabilities, or a scalable multi-tenant system, Turso provides the tools and flexibility to meet your database needs while maintaining the simplicity developers love about SQLite.
Scalable, high-availability database system supporting OLTP, OLAP, and hybrid transactional/analytical processing workloads.

OceanBase is a cutting-edge distributed relational database management system designed to handle massive-scale data processing with unparalleled performance and reliability. Built to meet the demands of modern enterprises, OceanBase offers:
OceanBase's innovative architecture combines the benefits of distributed systems with the familiarity of traditional relational databases, making it an ideal choice for organizations seeking to modernize their data infrastructure while maintaining operational continuity.
A database proxy that enables MongoDB compatibility with PostgreSQL backend, allowing seamless use of MongoDB tools and drivers while avoiding vendor lock-in.

FerretDB is an innovative open-source solution that bridges MongoDB and PostgreSQL, enabling organizations to leverage MongoDB's powerful document database capabilities while using PostgreSQL as the storage backend.
Key benefits include:
FerretDB is ideal for organizations wanting MongoDB-style document database capabilities while maintaining control over their data and infrastructure.