13 Open Source Alternatives to Supabase

Appwrite streamlines backend development by offering a comprehensive suite of services including 30+ authentication methods, robust databases with advanced permissions, serverless functions supporting 30+ runtimes, versatile messaging, secure file storage with encryption, and realtime event handling. Whether you choose self-hosting or cloud deployment, Appwrite provides the tools and flexibility needed to build and scale your application efficiently.

PocketBase is a lightweight, ready-to-use backend solution that condenses core functionalities into one file. It supports realtime data management, built-in user authentication, secure file storage, and offers a comprehensive admin dashboard. The platform also provides SDKs for popular languages and frameworks, enabling developers to integrate it effortlessly with their preferred tech stacks.

Milvus empowers developers with advanced Approximate Nearest Neighbor search capabilities and seamless integration with popular AI tools such as LangChain, LlamaIndex, OpenAI, and Hugging Face. Its flexible deployment models, including Milvus Lite for prototyping, Milvus Standalone for production testing, and a distributed architecture for large-scale operations, streamline the process of data ingestion, search, and management with a simple pip installation and Python client support.

Qdrant powers AI-driven applications with an open-source vector database built in Rust, offering exceptional performance for processing billions of vectors. Its advanced similarity search capabilities support recommendations, retrieval augmented generation, and anomaly detection. With simple Docker deployment and a lean API, Qdrant ensures ease of integration, scalability with horizontal and vertical scaling, and effortless management on managed, hybrid, or private cloud setups.

Stack Auth delivers a comprehensive authentication solution that includes password, SSO, 2FA, and third-party OAuth integrations. Designed with robust APIs and pre-built UI components, it simplifies team management, permission settings, and JWT handling. With seamless Next.js integration and a headless SDK option, developers can quickly build and customize secure applications.

NHost provides an integrated backend platform that equips developers with instant access to a configured database, realtime APIs, and comprehensive services such as role-based authentication, file storage, and serverless functions. With an efficient CLI and Git deployment integration, it streamlines the entire development process from local coding to global scaling.

undb empowers users to create custom applications quickly using a self-hosted no-code platform. With multiple view options such as grid, kanban, calendar, gallery, pivot, and form views, it adapts to various data management needs. Built on modern stacks like Bun, Svelte, Tailwind CSS, and SQLite, undb also offers ready-to-use templates for project management, to-do lists, sales CRMs, and more.

Fleetbase provides an end-to-end operations system featuring APIs, a transport management system (TMS), driver and customer apps, an operations console, fleet management, and advanced routing. It offers flexibility with both self-hosted and cloud deployment options, enabling users to rebrand, customize, and integrate additional components as needed. The cloud plan starts at $199 per month, offering unlimited orders and drivers for streamlined logistics management.

Encore enables developers to create production-ready distributed systems by abstracting complex communication and infrastructure setup into simple, declarative code. It replaces traditional frameworks like Express.js with a solution that offers 9x faster API performance, automatic API documentation, built-in tracing, logging, and a live development dashboard. This tool supports seamless integration with popular stacks and AI-assisted development, reducing boilerplate and operational overhead.

SlateDB harnesses your object store's 99.999999999% durability while operating without disks, thus eliminating failures and corruption associated with traditional hardware. It simplifies replication by relying on the object store's mechanisms and provides tunable performance configurations to optimize for low latency, cost, or high durability. The engine supports one writer with multiple readers, including features to detect and fence zombie writers, and is built in Rust for versatile language support.

Hydra integrates columnar storage into PostgreSQL to enable efficient, low-latency analytical processing on time series and transactional data. With features like isolated, autoscaling compute, automatic caching, 10X storage compression, and bottomless storage, Hydra simplifies the deployment of real-time analytics systems while eliminating resource contention and complex tuning.

Timescale enhances PostgreSQL by delivering lightning-fast query performance, efficient data ingestion, and real-time aggregation through its hybrid row-columnar engine. The tool features automatic partitioning, columnar compression, and dynamic scaling to manage vast streams of live data. It simplifies DB operations with built-in high availability, continuous backups, and seamless integration with cloud-native infrastructures, making it ideal for rapid prototyping and production-grade applications.

Weaviate stores both data objects and their associated vector representations, supporting hybrid search queries that combine keyword filtering with vector similarity. Its cloud‐native architecture ensures fault tolerance and scalability, while extensive integrations with popular language model frameworks and embedding APIs streamline the development of generative AI and semantic search applications. Developer-focused APIs, thorough documentation, and a vibrant community further simplify the journey from prototype to production.