The best open source alternative to Supabase is PocketBase. If that doesn't suit you, we've compiled a ranked list of other open source Supabase alternatives to help you find a suitable replacement. Other interesting open source alternatives to Supabase are: Appwrite, Milvus, Qdrant, and Chroma.
Supabase alternatives are mainly Backend-as-a-Service (BaaS) Tools but may also be Vector Databases or PaaS & Deployment Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Supabase.
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.

PocketBase is a revolutionary open-source backend solution that simplifies application development by providing a powerful, all-in-one platform. Packaged as a single executable file, it offers a real-time database, authentication system, and file storage, making it an ideal choice for developers seeking efficiency and ease of use.
Key benefits of PocketBase include:
PocketBase empowers developers to build feature-rich applications without the complexity of traditional backend setups. Its lightweight nature and comprehensive feature set make it an excellent choice for both beginners and experienced developers looking to streamline their development process.
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.
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.

Appwrite is a comprehensive open-source development platform that provides everything developers need to build and scale applications efficiently. The platform combines backend infrastructure, web hosting, and security features in a single, unified solution.
Key benefits include:
The platform has helped companies like DevKind reduce development time by 60% and K-Collect cut infrastructure costs by 700%. With thousands of developers already using Appwrite, it's trusted by organizations worldwide for both passion projects and enterprise applications.
Pricing options range from free for small projects to custom enterprise solutions, making it accessible for teams of any size. The platform's Swiss Army Knife approach lets you choose and use only the tools you need, reducing complexity while maintaining powerful functionality.
Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss

Milvus is an open-source vector database built specifically for GenAI applications. It offers high-performance similarity search capabilities and seamless scalability to handle billions of vectors.
Key features:
Milvus empowers developers to build robust and scalable GenAI applications across various domains including image retrieval, recommendation systems, and semantic search. Its focus on performance, scalability and ease-of-use makes it a top choice for vector similarity search at any scale.
Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.

Qdrant is a powerful open-source vector database designed for high-performance similarity search in AI and machine learning applications. Built with Rust for unmatched speed and reliability, Qdrant excels at handling billions of high-dimensional vectors.
Key features:
Qdrant is ideal for powering recommendation systems, advanced search applications, and retrieval augmented generation (RAG) workflows. Its ability to quickly process complex queries on large datasets makes it suitable for a wide range of AI-driven use cases.
Real-world impact: Trusted by leading companies like Bosch, Cognizant, and Bayer for enterprise-scale AI applications. Qdrant consistently outperforms alternatives in ease of use, performance, and value.
Whether you're building a cutting-edge AI product or enhancing existing applications with vector search capabilities, Qdrant provides the speed, scalability, and flexibility needed to bring your ideas to life.
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.

Chroma is a powerful open-source vector database specifically built for AI applications that need efficient storage and retrieval of embeddings. Perfect for developers building RAG (Retrieval-Augmented Generation) systems, semantic search engines, and AI-powered applications.
Key features include:
Whether you're building a chatbot that needs to search through documents, creating a recommendation system, or developing any AI application requiring semantic search capabilities, Chroma provides the foundation you need with minimal setup and maximum flexibility.
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.
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.
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.
Open-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.

Weaviate is an AI-native vector database that empowers developers to create intuitive applications with less hallucination, data leakage, and vendor lock-in. Key features include:
Hybrid Search: Combines vector and keyword techniques for contextual, precise results across all data modalities.
RAG (Retrieval-Augmented Generation): Enables building trustworthy generative AI applications using your own data, with privacy and security in mind.
Generative Feedback Loops: Enrich datasets with AI-generated answers, improving personalization and reducing manual data cleaning.
Flexible Deployment: Available as an open-source platform, managed service, or within your VPC to adapt to your business needs.
Pluggable ML Models: Built-in modules for popular machine learning models and frameworks, allowing easy integration.
Cost-Efficient Scaling: Advanced multi-tenancy, data compression, and filtering for confident and efficient scaling.
Strong Community Support: Open-source with a vibrant community and resources for developers of all levels.
Integrations: Supports various neural search frameworks and vectorization modules, including OpenAI, Hugging Face, Cohere, and more.
Weaviate is designed to handle lightning-fast pure vector similarity searches over raw vectors or data objects, even with filters. It's more than just a database – it's a flexible platform for building powerful, production-ready AI applications that can adapt to the evolving needs of businesses in the AI landscape.
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

ZITADEL is an all-in-one identity suite designed to streamline application development with robust authentication and authorization capabilities.
Key features:
ZITADEL empowers developers to offload complex identity tasks while maintaining adaptability. With security defaults and custom code extensions, it provides a solid foundation for building scalable applications with sophisticated user management.
Whether you need authentication for a small project or enterprise-grade identity infrastructure, ZITADEL offers the flexibility to grow with your needs. Focus on building your core product features while ZITADEL handles the intricacies of identity management.
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Build your entire backend in pure TypeScript - from database schemas to queries, authentication to APIs. Your backend code lives alongside your frontend code with full type safety and AI-powered code generation.
Real-time synchronization guaranteed - your app automatically reflects changes to frontend code, backend code, and database state instantly. No need for complex state managers, cache invalidation policies, or manual websocket setup.
Backend essentials built-in - create cron jobs, trigger AI workflows, leverage built-in authentication, and access a growing ecosystem of components that solve common backend needs with simple npm installs.
Developer-friendly features:
Enterprise-ready security with SOC 2 Type II compliance, HIPAA compliance, and GDPR verification. Trusted by developers who want the simplicity of Firebase with the power and flexibility of a modern TypeScript-first platform.
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.

Encore revolutionizes backend development by providing a seamless, integrated platform that combines the power of cloud infrastructure with the simplicity of local development. By abstracting away the complexities of distributed systems, Encore allows developers to focus on writing business logic while automatically handling scalability, deployment, and infrastructure management.
Key benefits of Encore include:
By choosing Encore, teams can significantly reduce time-to-market, improve code quality, and focus on delivering value to their users instead of wrestling with infrastructure complexities.
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.
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

NHost is a comprehensive serverless backend platform designed to accelerate modern application development. By providing a fully managed infrastructure, NHost eliminates the complexities of backend setup and maintenance, allowing developers to focus on building exceptional user experiences.
Key benefits of NHost include:
NHost's platform is designed to be developer-friendly, offering comprehensive documentation, SDKs for popular frameworks, and a supportive community. Whether you're building a startup MVP or scaling an enterprise application, NHost provides the tools and infrastructure to bring your ideas to life quickly and efficiently.
Rust-built native graph-vector database combining vector similarity search and graph traversals. 10x faster development with unified architecture, sub-1ms queries.

HelixDB is a groundbreaking native graph-vector database that eliminates the need for multiple databases by unifying vector similarity search and graph traversal operations in a single, high-performance engine. Built in Rust and backed by Y Combinator and NVIDIA, it's specifically designed for AI agents, RAG systems, and applications requiring advanced contextual retrieval.
Key performance advantages:
Developer-friendly features:
curl -sSL "https://install.helix-db.com" | bashEnterprise support includes:
Perfect for teams building next-generation AI applications who want to reduce database complexity while achieving industry-leading performance. The growing developer community and active support channels make it easy to get started and scale efficiently.
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.

BKND is a comprehensive backend solution designed for modern developers who need flexibility without complexity. This lightweight Firebase alternative provides all essential backend services while maintaining the freedom to deploy anywhere.
Core Features:
Built for Modern Development:
The platform offers complete extensibility through its workflow builder, allowing you to inject custom logic into system events. As an open source solution, you maintain full control over your backend while benefiting from community contributions.
Get started instantly with npx bknd@latest run and experience a backend that adapts to your needs, not the other way around.
SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk management.

SlateDB is an innovative embedded storage engine that revolutionizes data management by building on top of object storage.
Here are its key features and benefits:
SlateDB simplifies database management by abstracting away many low-level concerns, allowing developers to focus on building their applications rather than managing infrastructure. Its design makes it particularly suitable for cloud-native applications, distributed systems, and scenarios where durability and scalability are crucial.
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly

Undb is an innovative open-source platform that empowers users to build and manage their own databases without coding. This local-first, offline-first solution offers a range of powerful features:
Undb combines the flexibility of no-code tools with the power of a backend-as-a-service, making it an excellent choice for developers, businesses, and individuals looking for a self-hosted Airtable alternative. Whether you're managing projects, organizing data, or prototyping applications, Undb provides the tools to streamline your workflow and boost productivity.
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.
Hydra embeds DuckDB's state-of-the-art analytics engine into standard Postgres, offering millisecond response times for complex queries.

Hydra is an innovative open-source project that combines the power of PostgreSQL with DuckDB's high-performance analytics engine. This hybrid solution allows developers to build faster applications with advanced analytical capabilities right within their Postgres database.
Key features and benefits:
Millisecond response times: Hydra's integration of DuckDB's columnar-vectorized query engine enables lightning-fast analytics on large datasets.
Seamless Postgres integration: Developers can leverage familiar Postgres interfaces and tools while gaining access to DuckDB's analytical prowess.
Open-source and MIT licensed: Hydra is freely available and can be used, modified, and distributed under the permissive MIT license.
Scalability: From laptop to cloud, Hydra is designed to handle varying workloads and data sizes efficiently.
Object storage connectivity: Easily connect with popular object storage solutions like S3, Cloudflare R2, Google GCS, and Azure.
Feature-rich SQL: Take advantage of advanced SQL features for complex data analysis and manipulation.
Zero dependencies: Hydra integrates seamlessly into existing Postgres setups without requiring additional dependencies.
Hydra is backed by Y Combinator and has garnered support from industry leaders, including the DuckDB Foundation, Dagster, Svix, and HashiCorp. Its ability to handle both transactional and analytical workloads in a single database makes it an attractive solution for companies looking to simplify their data architecture while improving query performance.
The project is actively developed and maintained, with regular updates and improvements. Developers can contribute to the project, join the community on Discord, or become supporters to help drive the future of this innovative database solution.
Nitric automates cloud infrastructure provisioning from your application code for AWS, GCP and Azure

Nitric is an open source universal backend framework that provides infrastructure from code and pluggable deployment automation. It allows developers to declare infrastructure requirements in code for common cloud resources and provides a convenient interface to interact with them.
Key benefits of Nitric include:
Effortless infrastructure from code: Use code to declare infrastructure requirements and get deployment automation from customizable plugins. This simplifies provisioning and managing cloud resources.
Cloud portability: Nitric makes applications portable across cloud providers, unlocking access to the best cloud features without vendor lock-in. It supports AWS, Google Cloud, and Azure out of the box.
Local development: Fine tune your application offline from your first commit. Prototype, develop and test your application without incurring cloud costs.
Simplified security: Application security is made simple with declarative resource access that is automatically synced with deployment automation.
Intuitive APIs: Common tasks are made intuitive and easy, without limiting fine-grained control when needed.
Extensible automation: Use existing Nitric plugins or build custom ones. Nitric enhances automation tools like Terraform, Pulumi and others.
Nitric supports key cloud resources like APIs, storage, databases, messaging, and more. It provides a consistent developer experience for working with these resources across different cloud providers.
The framework aims to streamline backend development by abstracting away infrastructure complexities, while still giving developers full control when needed. This allows teams to focus more on building application logic rather than managing cloud infrastructure.
Open-source serverless platform for developers to build, test, and deploy modern apps with authentication, storage, hosting, and analytics - all without backend setup.

Build modern applications without the complexity of backend infrastructure. Juno provides everything you need to create secure, scalable projects with zero DevOps overhead.
Core Features:
Developer-Friendly Experience:
Use your favorite frontend frameworks while Juno handles the backend complexity. Quick project scaffolding with npm create juno@latest gets you started in minutes, not hours.
Built for Scale: Whether you're prototyping an MVP or deploying production applications, Juno's decentralized architecture ensures your apps remain secure and performant as they grow.